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1 The Evolution of Pipe Couplings Repair Market
63

The Evolution of Pipe Couplings - Krausz USA

Oct 26, 2021

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Page 1: The Evolution of Pipe Couplings - Krausz USA

1

The Evolution of Pipe Couplings

Repair Market

2

The NeedIn the 19th century long pipe lines were installed as part of the industrial revolution in order to transmit water from reservoirs to cities

Most pipes were made of wood

They needed frequent maintenance

3

What is a coupling

Oxford Dictionary (technology) a thing that joins together two parts of something two vehicles or two pieces of equipment

A coupling (or coupler) is a very short length of pipe or tube with a socket at one or both ends that allows two pipes or tubes to be joined welded brazed or soldered together

Cast Iron France 19th century Lead roman empireWood 1812 Philadelphia USA

4

Pipe Repair is an SOS Business

5

It requires special skills

6

And professional knowledge

7

It is done under harsh conditions

8

And must be completed fast to minimize suffering

9

History First pipe coupling patent ndash 1888

The first coupling US patent was introduced in 1885 filed in 1888 by Dresser

Source US patent Office

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 2: The Evolution of Pipe Couplings - Krausz USA

2

The NeedIn the 19th century long pipe lines were installed as part of the industrial revolution in order to transmit water from reservoirs to cities

Most pipes were made of wood

They needed frequent maintenance

3

What is a coupling

Oxford Dictionary (technology) a thing that joins together two parts of something two vehicles or two pieces of equipment

A coupling (or coupler) is a very short length of pipe or tube with a socket at one or both ends that allows two pipes or tubes to be joined welded brazed or soldered together

Cast Iron France 19th century Lead roman empireWood 1812 Philadelphia USA

4

Pipe Repair is an SOS Business

5

It requires special skills

6

And professional knowledge

7

It is done under harsh conditions

8

And must be completed fast to minimize suffering

9

History First pipe coupling patent ndash 1888

The first coupling US patent was introduced in 1885 filed in 1888 by Dresser

Source US patent Office

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 3: The Evolution of Pipe Couplings - Krausz USA

3

What is a coupling

Oxford Dictionary (technology) a thing that joins together two parts of something two vehicles or two pieces of equipment

A coupling (or coupler) is a very short length of pipe or tube with a socket at one or both ends that allows two pipes or tubes to be joined welded brazed or soldered together

Cast Iron France 19th century Lead roman empireWood 1812 Philadelphia USA

4

Pipe Repair is an SOS Business

5

It requires special skills

6

And professional knowledge

7

It is done under harsh conditions

8

And must be completed fast to minimize suffering

9

History First pipe coupling patent ndash 1888

The first coupling US patent was introduced in 1885 filed in 1888 by Dresser

Source US patent Office

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 4: The Evolution of Pipe Couplings - Krausz USA

4

Pipe Repair is an SOS Business

5

It requires special skills

6

And professional knowledge

7

It is done under harsh conditions

8

And must be completed fast to minimize suffering

9

History First pipe coupling patent ndash 1888

The first coupling US patent was introduced in 1885 filed in 1888 by Dresser

Source US patent Office

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 5: The Evolution of Pipe Couplings - Krausz USA

5

It requires special skills

6

And professional knowledge

7

It is done under harsh conditions

8

And must be completed fast to minimize suffering

9

History First pipe coupling patent ndash 1888

The first coupling US patent was introduced in 1885 filed in 1888 by Dresser

Source US patent Office

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 6: The Evolution of Pipe Couplings - Krausz USA

6

And professional knowledge

7

It is done under harsh conditions

8

And must be completed fast to minimize suffering

9

History First pipe coupling patent ndash 1888

The first coupling US patent was introduced in 1885 filed in 1888 by Dresser

Source US patent Office

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 7: The Evolution of Pipe Couplings - Krausz USA

7

It is done under harsh conditions

8

And must be completed fast to minimize suffering

9

History First pipe coupling patent ndash 1888

The first coupling US patent was introduced in 1885 filed in 1888 by Dresser

Source US patent Office

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 8: The Evolution of Pipe Couplings - Krausz USA

8

And must be completed fast to minimize suffering

9

History First pipe coupling patent ndash 1888

The first coupling US patent was introduced in 1885 filed in 1888 by Dresser

Source US patent Office

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 9: The Evolution of Pipe Couplings - Krausz USA

9

History First pipe coupling patent ndash 1888

The first coupling US patent was introduced in 1885 filed in 1888 by Dresser

Source US patent Office

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 10: The Evolution of Pipe Couplings - Krausz USA

10

Evolution of couplings

Multi-component Dedicated Coupling

Wide Range Coupling

Rigid joint

bull Designed for ONE type of pipe size amp material

bull Steel

bull Designed for One pipe size amp material

bull Ductile Iron

bull Designed for different pipe sizes amp materials

bull Rigid jointbull Multi-bolt

bull Wide-rangebull Prevents

axial movement amp pipe pullout

bull Internal restraint

bull Advanced openable coupling

bull Stainless Steel

bull Dynamic deflection

Restrained Coupling

Multi-purpose

Wide range Coupling

Wide Range Flexible joint

bull Wide-rangebull 2-boltbull Dual sealingbull Flexible

Joint ndashdynamic deflection

Multi-bolt Dedicated Coupling

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 11: The Evolution of Pipe Couplings - Krausz USA

11

Dresserrsquos first pipe coupling

bull Introduced in 1888 by Solomon Dresser

bull Features

ndash Made of Steel

ndash Used for Gas in oil fields

ndash Rubber sealing

ndash Provided the basis for

the pipe repair industry

1908 version

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 12: The Evolution of Pipe Couplings - Krausz USA

12

STEEL

DUCTILE IRON

CAST IRON GRP

Common water and wastewater pipe materials

COPPER

HDPE

PVC

ASBESTOS CEMENT

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 13: The Evolution of Pipe Couplings - Krausz USA

13

COMMON PIPE FAILURE BY PIPE TYPES

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 14: The Evolution of Pipe Couplings - Krausz USA

14

Pipe Materials and Typical Problems

DelaminationPipe WallRupture

Perforation (Holes)

Surface Softening

Longitudinal Cracks

Leaking Joint

CircularBreaks

Corrosion

Source water association of Australia

CAST IRON

DUCTILE IRON

STEEL

COPPER

HDPE

PVC

ASBESTOS CEMENT

GRP

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 15: The Evolution of Pipe Couplings - Krausz USA

15

Percent of failures as a function of age and pipe material

SOURCE April 2012 Utah State University Buried Structures Laboratory

000

1000

2000

3000

4000

5000

6000

7000

AC Steel CPP PVC D1 C1

80+yr

61-80 yr

41-60 yr

21-40 yr

0-20 yr

of failures for each material

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 16: The Evolution of Pipe Couplings - Krausz USA

16

Failure data over a 12-month period

SOURCE April 2012 Utah State University Buried Structures Laboratory

PIPE MATERIAL LENGTHMILES

NUMBER OFFAILURES

FAILURE RATE(100mi)(year)

CI 33611 8204 24

DI 33238 1620 5

PVC 26840 689 2

CPP 2355 128 5

Steel 4300 581 13

AC 13502 954 7

Other 3755 787 21

TOTAL 117603 12963 77

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 17: The Evolution of Pipe Couplings - Krausz USA

17

Most common failures - breakdown

SOURCE April 2012 Utah State University Buried Structures Laboratory

50

2830

1300

430 220 220

0

10

20

30

40

50

60

Circ Crack Corrosion Long Crack Leak Fatique Other

of Respondents

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 18: The Evolution of Pipe Couplings - Krausz USA

18

Pipe failure types in water systems

Holes

Common failures

- Corrosion

- Longitudinal cracks

- Circular Break

- Leaking joint

CAST IRON

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 19: The Evolution of Pipe Couplings - Krausz USA

19

Pipe failure types in water systems

Pipe Wall RuptureHole

Common failures

- Corrosion

- Pipe wall rupture

- Leaking joint

- Holes

DUCTILE IRON

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 20: The Evolution of Pipe Couplings - Krausz USA

20

Circular BreakLongitudinal Crack

Pipe failure types in water systems

Common failures

- Surface softening

- Pipe wall rupture

- Leaking joint

ASBESTOS CEMENT

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 21: The Evolution of Pipe Couplings - Krausz USA

21

Pipe failure types in water systems

Common failures- Pipe pullout due to Smooth surface- Cracks

- Pipe wall rupture

PVC

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 22: The Evolution of Pipe Couplings - Krausz USA

22

Common failure- Holes- Leaking joint- Delamination

Pipe failure types in water systems

STEEL

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 23: The Evolution of Pipe Couplings - Krausz USA

23

Common failure- Pipe wall rupture- Leaking joint - Rapid Crack Propagation

Pipe failure types in water systems

Polyethylene ( HDPE )

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 24: The Evolution of Pipe Couplings - Krausz USA

24

Common failures- Joint leaks - Fiberglass delamination

Pipe failure types in water systems

GRP

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 25: The Evolution of Pipe Couplings - Krausz USA

25

PIPE REPAIR METHODS IN WATER SYSTEMS

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 26: The Evolution of Pipe Couplings - Krausz USA

26

Asbestos Cement

OLD

Pipe Repair in water systems

Original asbestos coupling Hydraulic wide-range openableCoupling in a repair function

Hydraulic wide-range openable Coupling in a joining function

NEW

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 27: The Evolution of Pipe Couplings - Krausz USA

27

GRP pipe

Pipe Repair in water systems

Glued GRP Coupling Wide-range openable Coupling

OLD NEW

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 28: The Evolution of Pipe Couplings - Krausz USA

28

PVC pipe

Pipe Repair in water systems

OLD NEW

Dedicated coupling on PVC replacement pipe Wide range couplings on PVC replacement pipe

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 29: The Evolution of Pipe Couplings - Krausz USA

29

Common pipe repair solutions

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 30: The Evolution of Pipe Couplings - Krausz USA

30

OLD COUPLINGS VS NEW COUPLINGS

bull Installer Interface Multiple Bolts

bull 2-bolt couplings

bull Installation-ready

bull Installation stages

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 31: The Evolution of Pipe Couplings - Krausz USA

31

OLD - Multiple Bolts bull Wide-range coupling

bull Involves under-pipe work

Installer Interface - Cumbersome

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 32: The Evolution of Pipe Couplings - Krausz USA

32

NEW - 24 Bolts bull Wide-range coupling

bull Top-facing bolts

bull No under-pipe work

Installer Interface - Ease of Use

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 33: The Evolution of Pipe Couplings - Krausz USA

33

NEW - Installation-Ready Technologybull Stab-fit design

bull Lighter and simpler

bull 1 or 2 Top-facing Bolts

bull No need for disassembly

bull No need for under-pipe work

bull Coupling slides easily on pipe

New

Old

Installer Interface - Ease of Use

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 34: The Evolution of Pipe Couplings - Krausz USA

34

Installer Interface - Ease of Use

Wide-range coupling Installation

Installing without dismantling Tightening the bolts

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 35: The Evolution of Pipe Couplings - Krausz USA

35

TECHNOLOGICAL ADVANCEMENTS

bull Gaskets

bull Restraint Couplings

bull New Multi-purpose Couplings

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 36: The Evolution of Pipe Couplings - Krausz USA

36

GASKETS ndash OLD VS NEW

bull The Cone-shaped Gasket

bull The Hydraulic Pressure-Assisted Gasket

bull Hydraulic Gasket Allows Continuous Dynamic

Deflection

bull 2-Layer Removable Gasket accommodates wide range

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 37: The Evolution of Pipe Couplings - Krausz USA

37

No ground shift absorption

May Lead to more breaks near the installation

OLD ndash the Cone-shaped Gasket(no flexibilitydeflection of the pipes)

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 38: The Evolution of Pipe Couplings - Krausz USA

38

NEW ndash The Hydraulic Pressure-Assisted GasketAllowing Continuous Dynamic Deflection

Self-inflating inner chamber

Hydraulic Gasket applies Pressure on pipe

Pipe

Water pressure

Radial mechanical closing

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 39: The Evolution of Pipe Couplings - Krausz USA

39

NEW ndash Hydraulic Pressure-assisted Gasket Allows Continuous Dynamic Deflection

bull Allows several degrees of pipe shift during installation

bull Absorbs ground shifts due to extreme conditions after installation

bull Prevents pipe damage in the long run

PLAY video

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 40: The Evolution of Pipe Couplings - Krausz USA

40

NEW ndash 2-Layer Removable GasketAccommodates Variable Pipe Sizes

Insert Screwdriver Peel Inner Layer Remove Inner Layer

True Wide-Range Coupling replaces several dedicated-range products

Before detachingThe inner layer

After detachingThe inner layer

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 41: The Evolution of Pipe Couplings - Krausz USA

41

RESTRAINED COUPLINGS ndash OLD VS NEW

bull External restraint vs in-product restraint

bull Restraint Couplings ndash Ready-to-use

bull Restraint Closure Mechanism ndash Old Vs New

bull 2 Closing Methods

bull Restraint Action Shows on Pipe

bull How Restraint prevents axial movement

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 42: The Evolution of Pipe Couplings - Krausz USA

42

External restraint vs in-product restraint Eliminating the need for external anchoring

NEW ndash Wide-range Restraint CouplingNo External Restraints

OLD ndash Dedicated CouplingWith External Restraints

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 43: The Evolution of Pipe Couplings - Krausz USA

43

Restraint Couplings ndash Ready-to-use

No need to disassemble before instal lation

OLD NEW

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 44: The Evolution of Pipe Couplings - Krausz USA

44

Restraint Couplings - 2 Closing MethodsMultiple Bolts Vs 2-Bolts

OLD ndash Axial closing method NEW - Radial closing method

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 45: The Evolution of Pipe Couplings - Krausz USA

45

Restraint Action Shows on the Pipe

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 46: The Evolution of Pipe Couplings - Krausz USA

46

Restraint prevents axial movement

The Grip FunctionGrip slides on slopePreventing pipe motion

Pipe exerts pressure

Teeth go deeper into the pipe

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 47: The Evolution of Pipe Couplings - Krausz USA

47

RECENT DEVELOPMENT

Openable Multi-purpose Couplings

bull Openable Coupling Structure

bull Multi-purpose applications

bull Wide-range gasket

bull Hydraulic Gasket ndash side View

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 48: The Evolution of Pipe Couplings - Krausz USA

48

PLAY VIDEO

Openable Coupling Structure

Stainless Steel Body Double layer gasket

Bolts (SS)

Compression beams (SS)

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 49: The Evolution of Pipe Couplings - Krausz USA

49

Openable Multi-purpose Couplings

Joining pipes as a coupling

Sealing breaks and cracks in pipes as a clamp

Repairing holes as a clamp

Allowing Dynamic Deflection (up to 3deg each end) Absorbing ground vibrations and temperature changes

APPLICATIONS

JOIN

REPAIR

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 50: The Evolution of Pipe Couplings - Krausz USA

50

New Wide-range gasket

Low water pressure High water pressure

Wrap-around option

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 51: The Evolution of Pipe Couplings - Krausz USA

51

Openable Coupling - Hydraulic Gasketrsquos Mode of Operation

Hydraulic Gasket ndash side View

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 52: The Evolution of Pipe Couplings - Krausz USA

52

Openable Coupling - Installations

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 53: The Evolution of Pipe Couplings - Krausz USA

53

SUMMARY ndash EVOLUTION OF COUPLINGS

Multi-component Dedicated Coupling

Wide-range Rigid joint

Restrained Coupling

Multi-purpose Wide-range Coupling

Wide-range Flexible joint

Multi-bolt Dedicated Coupling

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 54: The Evolution of Pipe Couplings - Krausz USA

54

Relevant StandardsSee appendix

bull AWWA C-219

bull NSF 61

bull NSF 372

bull EN-681

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 55: The Evolution of Pipe Couplings - Krausz USA

55

THANK YOU

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 56: The Evolution of Pipe Couplings - Krausz USA

56

APPENDIX

Relevant Standards

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 57: The Evolution of Pipe Couplings - Krausz USA

57

Drinking Water System Components

NSFANSI 61

NSFANSI 372

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 58: The Evolution of Pipe Couplings - Krausz USA

58

NSFANSI 61Drinking water system components ndash Health effects

Purpose

This Standard establishes minimum health effects requirements for the chemical contaminants and impurities that are indirectly imparted to drinking water from products components and materials used in drinking water systems This Standard does not establish performance taste and odor or microbial growth support requirements for drinking water system products components or materials

Scope

This Standard is intended to cover specific materials or products that come into contact withdrinking water drinking water treatment chemicals or both The focus of the Standard is evaluation of contaminants or impurities imparted indirectly to drinking water The products and materials covered include but are not limited to process media (e g carbon sand) protective materials (e g coatings linings liners) joining and sealing materials (e g solvent cements welding materials gaskets) pipes and related products (e g pipes tanks fittings) mechanical devices used in treatmenttransmissiondistribution systems (e g valves chlorinators separation membranes point-of entry drinking water treatment systems) and mechanical plumbing devices (e g faucets endpoint control valves)

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 59: The Evolution of Pipe Couplings - Krausz USA

59

NSFANSI 372 Drinking Water System Components Lead Content

Purpose This standard establishes procedures for the determination of lead content based on the wetted surface areas of products

Scope

This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 60: The Evolution of Pipe Couplings - Krausz USA

60

AWWA Coupling Standards

AWWA C219

AWWA C227

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 61: The Evolution of Pipe Couplings - Krausz USA

61

AWWA C219-11Bolted Sleeve-Type Couplings for Plain-End Pipe

Scope This standard describes bolted sleeve-type couplings reducing or transition couplings and flanged coupling adapters used to join plain-end pipe Couplings may be manufactured from carbon steel stainless steel ductile iron or malleable iron and are intended for use in systems conveying water This standard covers nominal pipe sizes from 12 in (125 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for couplings of plain-end pipe including requirements for materials design testing and inspection installation and shipping

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 62: The Evolution of Pipe Couplings - Krausz USA

62

AWWA C227-11Bolted Split-Sleeve Restrained and Non-restrained Couplings for Plain-End Pipe

Scope This standard describes bolted split-sleeve couplings (couplings) used to join plain-end pipe of similar outside diameter Couplings may be manufactured from carbon steel or stainless steel and are intended for use in systems conveying water wastewater or air used in water treatment The standard covers nominal coupling sizes from 34 in (20 mm) through 144 in (3600 mm)

Purpose The purpose of this standard is to provide the minimum requirements for bolted split-sleeve couplings for plain-end pipe including requirements for materials design testing and inspection installation marking and shipping

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance

Page 63: The Evolution of Pipe Couplings - Krausz USA

63

AWWA - Repair clamp Standard

AWWA C230This standard provides minimum requirements for fabricated full-encirclement stainless-steel band clamps for use in the repair or service connection of potable water wastewater and reclaimed water piping systems

They are intended for pipe sizes 2 in (50 mm) through 12 in (300 mm) This standard does not cover stainless-steel tapping saddles whose seal is not fully circumferential

Covered requirements include materials of construction design manufacturing and installation instructions The standard also covers inspection quality assurance test procedures marking packing shipping and affidavit of

compliance