Bombas de Agua de Servicio Desmi

8/19/2019 Bombas de Agua de Servicio Desmi

1/35

MARINE

High efficiency pumps you can rely on


2/35

Vertical In-Line Pumps - Mainstream Designs

-

line pumps.

High efficiency pumps in a

cost-effective construction.

high capacities.

The double suction design

means low NPSH values.

.

Used as circulating pumps for

seawater and fresh water.

material choices ensure the

correct selection for the job.


3/35

Vertical In-Line Centrifugal Pumps - NSL

• Various material combinations for different applications, e.g.

A: Cast iron casin - Bronze im eller

D: Bronze casing - NiAluBronze impeller

E: Special bronze alloys: RG10, NiAluBronze etc.

• Several t es of cou lin s:

Closed coupled without bearing - type 12

Closed coupled with bearing - type 02

Spacer coupling in light version - type 13

S acer cou lin in heav version - t e 14

Spacer coupling in special solid version - type 15NEW: Spacer coupling in compact design - type 16

• Different desi ns of casin s:

Sizes with impeller 215 & 265:

Same dimension suction and discharge branch.

Sizes with impeller 330, 415 & 525:

Suction branch one dimension bi er than dischar e

.

DIN flanges as standard - ANSI,

JIS as options.

Any make of AC - or DC electric

branch.

Inlet and outlet tangential offset to centre line of the

shaft.

Wear rin on both sides of the im eller.

.

Special designs with cardan shaft

drive, special shaft seals,

temperature sensors etc. on

.


4/35

Working Pressure & RPM for NSL Spacer

Max. Max.

working pressu re

[bar]

Bronze /

Cast iron

Max.

working

pressure

[bar]

SG-iron

Max.

RPM

Light / heavy

bearing

housin

working pressure

[bar]

Bronze /

Cast iron

Max.

working

pressure

[bar]

SG-iron

Max.

NSL 80 -215 16 32 18 00 / 360 0

NSL 80 -265 14 .5 29 18 00 / 360 0 NSL 15 0-26 5 7 14 1800

NSL 80 -330 8 / 13 27 3600 *) / ----- NSL 15 0-33 0 7 / 13 27 1800

NSL 10 0-21 5 13 26 18 00 / 360 0 NSL 15 0-41 5 9 / 13 26 1800

NSL 10 0-26 5 14 ,5 29 18 00 / 360 0 NSL 20 0-26 5 9 18 1800

NSL 10 0-33 0 8 / 14 29 1800 / - --- - NSL 20 0-33 0 7 / 13 26 1800

NSL 10 0-41 5 10 / 1 2.5 25 1800 / - --- - NSL2 00-415 9 / 13 26 1800

NSL 12 5-21 5 10 20 18 00 / 360 0 NSL 25 0-26 5 10 / 10 20 1800

- -,

NSL 12 5-33 0 7 / 12 25 1800 / - --- - NSL 25 0-41 5 9 / 12 25 1800

NSL 12 5-41 5 9 / 13 26 1800 / - --- - NSL 30 0-41 5 9 / 12 25 1800

NSL 15 0-21 5 8 16 18 00 NSL 30 0-52 5 14 25 1800

*) W hen used with 2-poled electric motors cast iron to be replaced by ductile iron GGG40 and bronze to

e rep ace w u ronze.

The above-mentioned max . working pressure is NOT valid for pump s approved b y a classification society.

Pumps approved by c lassification societies have been p ressure tested according to the requirements of these

societies, i.e. a test pressure of 1.5 x the permissible working pressure. The test pressure is stated in the test

certificate and stamped into the discharge flange of the pump.


5/35

Working Pressure & RPM for NSL Monobloc

M ax. M ax.

Pump

wor ng pre ssure

[bar]

Bronze /Cast iron

ax .

working

pr essure

[bar]SG-iron

Max.

RPM

12- / 02-combination Pump

wor ng pressu re

[bar]

Bronze /Cast iron

ax .

working

pre ssure

[bar]SG-iron

Max.

RPM

12- / 02-combination

NSL80 -215 16 32 180 0 / 3 60 0 NSL150 -265 7 14 180 0 / 180 0

NSL80 -265 14 .5 29 180 0 / 3 60 0 NSL150 -330 7 / 13 27 180 0 / 180 0

NSL80 -330 8 / 13 27 18 00 / 3 60 0*) NSL150 -415 9 / 13 26 180 0 / 180 0

NSL100 -215 13 26 180 0 / 3 60 0 NSL200 -265 9 18 ----- / 18 00

NSL100 -265 14 .5 29 180 0 / 3 60 0 NSL200 -330 7 / 13 26 180 0 / 180 0

NSL100 -330 8 / 14 29 180 0 / 1 80 0 NSL200 -415 9 / 13 26 180 0 / 180 0

NSL100 -415 10 / 12 .5 25 180 0 / 1 80 0 NSL250 -265 10 / 10 20 ---- / 18 00

NSL125 -215 10 20 180 0 / 3 60 0 NSL250 -330 7 / 12 25 180 0 / 180 0

NSL125 -265 14 .5 29 180 0 / 3 60 0 NSL250 -415 9 / 12 25 180 0 / 180 0

- -

NSL125 -415 9 / 13 26 180 0 / 1 80 0 NSL300 -525 14 25 180 0 / 180 0

NSL150 -215 8 16 ---- - / 180 0

*) W hen used with 2-poled electric motors cast iron to be replaced by ductile iron GGG40 and bronze to

be replaced by NiAluBronze.

The above-mentioned m ax. working pressure is NOT valid for pumps approved by a classification society.Pumps approved by classification societies have been pressure tested according to the requirements of thesesocieties, i.e. a test pressure of 1.5 x the permissible working pressure. The test pressure is stated in the testcertificate and stamped into the discharge flange of the pum p.


6/35

Vertical In-Line Centrifugal pumps - DSL


-



Spacer coupling

Compact design

• Bearings and shaft seal at both top and bottom. Bottom seal

mechanical or slide bearing.

• New design: With separate base plate - - .

DIN flanges as standard - ANSI,

JIS as options.

Any make of AC - or DC electric

motors.

Special designs with cardan shaft

drive, special shaft seals,

.

request.


7/35

Vertical In-Line Centrifugal Pumps - DSL

Type

Max. power consumptionKW

Max. permissibleworking pressure

rp a

DSL 300-320 - / - / 30 / 50 / 95 / 165 5

- - -

The above-mentioned max. working pressure is NOT valid for pumps approved by a classification society.umps approve y c ass cat on soc et es ave een pressure teste accor ng to t e requ rements o t ese

societies, i.e. a test pressure of 1.5 x the permissible working pressure. The test pressure is stated in the testcertificate and stamped into the discharge flange of the pump.


8/35

Vertical In-Line Centrifugal Pumps - PVLN


as ron or res wa er

Bronze materials for seawater

• Only one type of coupling: Close coupled without bearing

• All pumps - except PVLN 2150 & 2200 - are designed for PN 10

as standard. PVLN 2150 & 2200 as PN 6 as standard, if PN 10

ductile iron must be used.

.

DIN flanges as standard.

-

DC electric motors.


9/35

Vertical In-Line Pumps - Original designs

replaced by NSL.

replaced by DSLn o es gn w c s now

replaced by NSL - however,

type V70-50-220 will be re-

designed as an NSL Pump.


10/35

Vertical In-Line Centrifugal Pumps - SL



Nodular cast iron for media with high casing pressure.

Spacer coupling

Monobloc without bearing

,

special solid motor bracket is needed.

.

DIN flanges as standrad, ANI &

JIS flanges as options.

Any make of AC- or DC electric

motors as well as hydraulic

motors.


11/35

Vertical In-Line Centrifugal Pumps - DKVAZ


Cast iron for fresh water


Nodular cast iron for media with high casing pressure

• Only one type coupling available

• Max permissible working pressure: 9 bar

.

Split- casing design, i.e. the

casing is axially split.


12/35

Vertical In-Line Centrifugal Pumps - SL

T he follow in w orkin ressures are allow ed:

Power

kW Power

Type bar 500 Type bar 1450/1750

SL 70-215 16 1.9/3.2/16.5/28 S L 125-330 10 29/48

SL 70-265 16 4.0/7.4/33/48 S L 125-415 12 45/81

SL 80-215 10 3.3/6.0/27/47 S L 150-265 6,5 18,4/31

SL 80-265 16 5.9/10.1/43/79 S L 150-330 9 35/61

SL 80-330 16 11.2/19.6/79/124 S L 150-415 10 62/107S L 100-215 14 5.5/9.6/48/83 S L 200-265 6 24/41

S L 100-265 14 10.5/17.5/74/119 S L 200-330 9 47/80

S L 100-330 11 18.4/31/--/-- S L 200-415 10 75/147

S L 125-215 8 6.8/11,6/--/-- S L 250-330 6 78/135

SL-125-265 9 14.3/25/--/-- S L 250-415 10 121/210

- .

society. Pum ps approv ed by classification societies have b een pressure tested according to the

requirements of these so cieties, i .e. a test pressure of 1.5 x the p ermissible working pressure. The test

pre ssure is sta te d in th e te st cert if ic ate and sta m ped in to th e discharge flange of th e pum p.


13/35

Vertical In-Line Centrifugal Pumps Modular V



Nodular cast iron for media with high casing pressure

Spacer coupling

Monobloc with bearing

.

DIN flanges only.

PUMP V-70-50-220 V-80-70-275 V-100-80-275 V-125-80-275

PRESSURE

mWC100 145 145 145


14/35

Ejector Priming Units

•The ejector is driven by compressed air

• If the main pump can be flooded the priming unit must be with

2 solenoid valves.

Available with ½” and 1” ejector.

The complete unit is mounted

on a plate with the ejector,

pressure control, solenoid valve,non-return valve and filter


15/35

Priming Pumps

• Materials: Casing and shaft seal cover - bronze

Shaft - stainless steel

Shaft seal - mechanical

NEW DESIGN:

Casing & Impeller - POM (acetal copolymer)

• The priming pump is connected to the suction side of main pumpand evacuates air from the suction pipe. The evacuated air - with

water - is pumped through the feed water tank to outlet, which

.

• Control box with timer or pressure switch available.

- -

Capacity: 20 - 125 m³ air per hour

feed water tank, filter etc.


16/35

Self-priming Pumps - NEW DESIGN

-

recognised type of self-

priming pumps.

e c ose -coup e es gn o

the self-priming pump.

The rigid design eliminates

combines the standard self-

priming design with the star

wheel from the water ring

market, but still up-to-date. . .

This means super fast and

reliable priming.


17/35

Self-priming Pumps - Modular S


A: Cast iron casing - NiAluBronze impeller



• Impellers are closed, except S32-25-110 and S50-32-135

• Different types of drives:

On base plate with electric motor

On base plate with diesel of petrol engineClose coupled with electric motor

Close coupled with hydraulic motor .

DIN flanges only, however the

new open design makes the

use of for ANSI & JIS flanges

anua r c on c u c an - e pu ey

El-magnetic friction clutch and V-belt pulley

.

Any make of DC- or AC

motors.

•


18/35

Self-priming Pumps - Modular S Monobloc

• This type is based upon the standard Modular S pump, i.e.

the same casing, suction piece, and impeller.

• The pump with motor bracket is a unit on which coupling and

motor flange and electric motor must be mounted.

• Consequently pumps with bracket can be stored with loose

couplings and flanges to build a complete unit.

.

DIN flanges only, however the

new open design makes the

use of for ANSI & JIS flanges.

Any make of DC- or AC

motors.


19/35


e o ow ng wor ng pressures are a owe :

PUMP S-32-25-110 S-50-32-135 S-70-50-175 S-70-50-220 S-70-50-275

PRESSUREmWC

45 45 65 100 150

PUMP S-80-70-175 S-80-70-220 S-80-70-275 S-100-80-175 S-100-80-220

PRESSURE

mWC65 100 160 65 100

- - - - - - - - - - - -- - - - - - - - - - - -

PRESSUREmWC

150 100 150 100

(10.2 mWC = 1 bar)

The above-mentioned max. working pressure is NOT valid for pumps approved by a classification society.Pumps approved by classification societies have been pressure tested according to the requirements of thesesocieties, i.e. a test pressure of 1.5 x the permissible working pressure. The test pressure is stated in the test

certificate and stamped into the discharge flange of the pump.


20/35


PRIMING TIMES AND MAX. SUCTION HEIGHTS FOR MODULAR S PUMPS

uc on me n m n. ax. uc on e g n me er 1450 R.P.M. 2950 R.P.M. 1450 R.P.M. 2950 R.P.M.

Full/Re.1/Re.2

S32-25-110 - 3.5 1.2 3S50-32-135 2 2 4.2 6.4S70-50-175 2 1 6.5 10 / 9.8 / 9.4S70-50-220 - 1.5 2.2 9.6S70-50-275 8 1 3 9.5 / 9.2 / 9S80-70-175 2 1 5 9.9 / 9.8 / 9S80-70-220 2 1 8.5 8.5 / 8 / 6

S80-70-275 2 1.5 9.3 9.5 / 9.3 / 9.5S100-80-175 1.5 0.5 5.3 9.5 / 9.9 / 9.9S100-80-220 1 0.5 7.8 9.5S100-80-275 1 1 9.5 9.6 / 8.9 / 7.2S125-80-220 0.5 0.5 7.5 9.5 / 9.2 / 7.8S125-80-275 1 0.5 9 9.6 / 9.3 / 9

S125-100-220 0.5 0.5 7.6 9.5 / 9.5 / 9.2

3 m. suction height, same dim.Pipe as the pumps discharge


21/35

Modular S - Superprimer

• a er a s as s an ar o u ar pumps

• Available on base plate with flexible coupling and in

monobloc design.

• This pump can replace Mono-pumps as bilge pumps in

thousands of fishing vessels, coasters as well as luxury

yachts.

- -

and S80-70-175).

Double priming system

reliable priming and

evacuation of piping systems.


22/35


23/35

Self-priming Pumps - Open Impeller Design

.

The old version of the self-

priming pumps.

eren s zes.

The former K&R pumps which

are now sold through’ All pumps have connections

with thread.

.


24/35

Self-priming Pumps - SA


A: Cast iron casing - Bronze impeller

B: Cast iron casing - Stainless steel impeller

D: Bronze casing - Bronze impeller

• Different types of drives:

On base plate with electric motor

On base plate with diesel of petrol engine

Close coupled with electric motor (only SA25)

Manual friction clutch and V-belt pulleyEl-magnetic friction clutch and V-belt pulley

widely sold due to its reliability

and sturdy design.

• s zes ave open mpe er an separa e wear p a e


25/35

Self-priming Pumps - SA

The following max. numbers of revolutions are allowed for SA-pumps with full impeller diameter:

Pum Max. Number of Pum Max. Number of Revolutions Revolutions

SA-20-90/9 3500 RPM SA-65-250/17 2500 RPM

SA-25-122/12 3500 RPM SA-80-160/17 3500 RPM

SA-35-135/12 3500 RPM SA-80-220/17 3500 RPMSA-50-180/4 3500 RPM SA-100-235/28 2500 RPM

- - - - ,

SA-50-180/8 2500 RPM * SA-150-260/33 2200 RPM

SA-65-250/6 3500 RPM SA-200-320/50 2000 RPM

SA-65-250/8 3500 RPM

* SA-50-180/8 is, however, allowed to run at max. 3000 RPM when used as a fire pump.


26/35


27/35

Self-priming Pumps - SAN/SAEN



C: Cast iron casing - Cast iron impeller


• SAEN pumps are always close coupled without bearing in the

pump. SAN pumps are with free shaft end.

• SAEN pumps are only available with the motor sizes mentionedin the dimensional drawings.

2 different sizes.

The former K&R pumps which

are now offered through

• Open impeller and separate wear plate.

• Max. working pressure: 4 bar

DESMI’s network.

Cost-effective pumps.


28/35

Horizontal Centrifugal Pumps

• The dimensions of the

pump casing is in

accordance with DIN24255.

• Pump casing is special for

this pump, all other parts

are identical with parts used

in Modular S pumps.

•

.

Pumps with dimensions as

the German “Water Pump

”

.

Close coupled version.

- .


29/35

Portable Diesel Driven Fire & Bilge Pumps

• Standard materials:

Casing - seawater resistant aluminium

Impeller and wear plate - stainless steel

Shaft - stainless steel

• Diesel engines:

1B20 - 3.4 kW at 3600 RPM

1B30 - 5.0 kW at 3600 RPM

• Options: Always with recoil start - electric start isoptional.

- .

Lightweight portable fire

pumps - 50 - 63 kg dry weight.

• Also available with priming star wheel which ensures

quick and safe priming. The priming time at 4 metres

suction head and 2” suction hose is approx. 20

seconds.

• Available in watertight aluminium box with hoses.


30/35

Portable Diesel Driven Fire & Bilge Pumps

- -

A: Cast iron casing - NiAluBronze impeller


-


B: Cast iron casing - Stainless steel impeller


• S70-50-175/-11 is with a priming star wheel to ensure fast andsecure priming. 12.000 litres of air is evacuated per hour.

- - -

Ruggerini diesel engine type

MD151 - 12 kW at 3600 RPM

Weight: 155 kg dry.

- - -

electric start.

-

diesel engine type LT1 - 5 kW

at 3000 RPM

Weight: 140 kg dry


31/35

Fuel pumps

• Standard materials:

Casing - Aluminium

Impeller and wear plate - Stainless steel

Shaft - Stainless steel

• Preferred engines:

HATZ diesel engine type 1B30 with recoil start and

electric start with external power supply.

• DESMI FHS in England has a comprehensive range within fuel

handling pumps.

with petrol or diesel engines.

Specially designed for

.

also runs on jet fuels.


32/35

DESMI ROTAN Pumps

.

General Purpose pumps in

cast iron for clean, non-

sizes).

Close Coupled pumps in cast

.

Heavy Duty pumps in cast

iron for viscous, non-corrosive

. . .

NEW:

Available in vertical design


33/35

DESMI ROTAN Pumps

.

Chemical Duty pumps in

stainless steel, for corrosive

materials. (Cast iron, carbon

steel and stainless steel).

.

Petrochemical Duty pumps in

carbon steel for refinery and

.

for ultimate protection against

leakage.

Recommended for fuel oils.

.


34/35

Special Pumps

only.

Handles heavy oil, up to 1 mio.

va a e w y rau c mo or

only.

Handles heavy oil, up to 1 mio.. c .


35/35

Cargo Pumps

-

pumps primarily for LPG/LEG,

Ammonia, Molten Sulphur,

Acids etc.

or zon a vers on o e

cargo for dry mounting.

On base plate with electric

ng e s age oos er pump,

available in horizontal or

vertical design.

with electric motor placed on

the deck.

mo or.

Bombas de Agua de Servicio Desmi

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