Miniature Check Valves

MONROE, CT

Economy Line

Miniature Check Valves

6/32 10/32 1/4205/1618

M3.5 M5 M6 M8

CATALOG TCV-1

Controls Co.OKeefe

10-32 or M5

All Metal Constructionor

Resilient Seating

Inch or Metric Threads

P.O.BOXQTRUMBULL,CT06611CTPHONE(203)261-6711TOLLFREEPHONE(800)533-3285FAX(203)261-8331OKEEFECONTROLSCO.2010ALLRIGHTSRESERVED e-mailca@okcc.comwebsitewww.okcc.com

Controls Co.OKeefe

EconomyLine-CheckValve2

Inch ThreadsDescriptionThis miniature check valve line em-ploys a free floating stainless steel or elastomeric ball, which allows free flow in one direction; reverse flow is pre-vented.Thevalvesaresuitableforair,water, inert gases, light oil and liquids compatible with the materials of con-struction. The valves are fast acting and are suitable for long life applications.

FeaturesAllmetalconstructionoption Long life operationLowcost

W

Symbol-Check Valve

FREE FLOW

General SpecificationsMaterials of Construction BodyBrassor303SS BallStopBrassor303SS BallMaterialoptions:

Size 440C-SS(SS)

Viton(V)

Buna-N(BN)

6/32 10/32 1/420 5/1618

Maximum Temperature Buna-NBall150F VitonBall-250F 440CSSBall300FSeat Leakage SSBall 20 sccm (max) air flow at 25 psig ElastomericBall 0 sccm @ 50 psig (air flow)

P.O.BOXQTRUMBULL,CT06611CTPHONE(203)261-6711TOLLFREEPHONE(800)533-3285FAX(203)261-8331OKEEFECONTROLSCO.2010ALLRIGHTSRESERVED e-mailca@okcc.comwebsitewww.okcc.com

Controls Co.OKeefe

EconomyLine-CheckValvesMetric Threads

3

DescriptionThismetricminiaturecheckvalvelineismuchthesameastheinchproductline, differing only in the thread sizes of-fered;M3.5,M5,M6andM8.Selectionincludesbodymaterial,ballmaterial,andthread size. The ball is free floating which allows for zero cracking pressure.

FeaturesAllmetalconstructionoption Long life operationLowcost

W

Symbol-Check Valve

FREE FLOW

General SpecificationsMaterials of Construction BodyBrassor303SS BallStopBrassor303SS BallMaterialoptions:

Size 440C-SS(SS)

Flouro-carbon

(V)

Nitrile(BN)

M3.5 M5 M6 M8

Maximum Temperature NitrileBall65C FlourocarbonBall-120C 440CSSBall150CSeat Leakage SSBall 20 sccm (max) air flow at 175 kPa ElastomericBall 0 sccm @ 350 kPa (air flow)

P.O.BOXQTRUMBULL,CT06611CTPHONE(203)261-6711TOLLFREEPHONE(800)533-3285FAX(203)261-8331OKEEFECONTROLSCO.2010ALLRIGHTSRESERVED e-mailca@okcc.comwebsitewww.okcc.com

Controls Co.OKeefe

OrificeSize 6/32 10/32 1/420 5/1618No.4 0.004 0.004 0.004 0.0045 0.005 0.005 0.005 0.0056 0.006 0.006 0.006 0.0067 0.007 0.007 0.007 0.0078 0.008 0.008 0.008 0.0089 0.009 0.009 0.009 0.00910 0.010 0.010 0.010 0.01011 0.011 0.011 0.011 0.01112 0.012 0.012 0.012 0.01213 0.013 0.013 0.013 0.01314 0.014 0.014 0.014 0.01415 0.015 0.015 0.015 0.01516 0.016 0.016 0.016 0.01617 0.017 0.017 0.017 0.01718 0.018 0.018 0.018 0.01819 0.019 0.019 0.019 0.01920 0.020 0.020 0.02021 0.021 0.021 0.02122 0.022 0.022 0.02223 0.023 0.023 0.02324 0.024 0.024 0.02425 0.025 0.025 0.02526 0.026 0.026 0.02627 0.027 0.027 0.02728 0.028 0.028 0.02829 0.029 0.029 0.02931 0.031 0.03132 0.032 0.03233 0.033 0.03335 0.035 0.03537 0.037 0.03738 0.038 0.03839 0.039 0.03940 0.040 0.04041 0.041 0.04142 0.042 0.04243 0.043 0.04347 0.047 0.04752 0.05255 0.05560 0.06063 0.06367 0.06770 0.07073 0.07376 0.07679 0.07981 0.081

ThreadSize

Orifice Diameter - Inches

Inch Threads

General SpecificationsMaterials of Construction BodyBrassor303SS BallStopBrassor303SS BallMaterialoptions:

Size 440C-SS(SS)

Viton(V)

Buna-N(BN)

6/32 10/32 1/420 5/1618

Seat Leakage SSBall 20 sccm (max) air flow at 25 psig ElastomericBall 0 sccm @ 50 psig (air flow)

P.O.BOXQTRUMBULL,CT06611CTPHONE(203)261-6711TOLLFREEPHONE(800)533-3285FAX(203)261-8331OKEEFECONTROLSCO.2010ALLRIGHTSRESERVED e-mailca@okcc.comwebsitewww.okcc.com

Controls Co.OKeefe

Metric Threads

General SpecificationsMaterials of Construction BodyBrassor303SS BallStopBrassor303SS BallMaterialoptions:

Size 440C-SS(SS)

F l u o r o -carbon

(V)

Nitrile(BN)

M3.5 M5 M6 M8

Seat Leakage SSBall 20 sccm (max) air flow at 175 kPa ElastomericBall 0 sccm @ 350 kPa (air flow)

P.O.BOXQTRUMBULL,CT06611CTPHONE(203)261-6711TOLLFREEPHONE(800)533-3285FAX(203)261-8331OKEEFECONTROLSCO.2010ALLRIGHTSRESERVED e-mailca@okcc.comwebsitewww.okcc.com

Controls Co.OKeefe

OrificeSize 10/32 M5No.4 0.004 0.105 0.005 0.136 0.006 0.157 0.007 0.188 0.008 0.209 0.009 0.23

10 0.010 0.2511 0.011 0.2812 0.012 0.3013 0.013 0.3314 0.014 0.3615 0.015 0.3816 0.016 0.4117 0.017 0.4318 0.018 0.4619 0.019 0.4820 0.020 0.5121 0.021 0.5322 0.022 0.5623 0.023 0.5824 0.024 0.6125 0.025 0.6426 0.026 0.6627 0.027 0.6928 0.028 0.7129 0.029 0.74

ThreadSize

Orifice Diameter - 10/32 Inches M5 mm

10/32 or M5 Threads

General SpecificationsMaterials of Construction BodyBrassor303SS BallStopBrassor303SS BallStainlessSteel(SS)or Buna-N(nitrile)(BN) Seal-Viton(Fluorocarbon) Maximum Temperature SSBall250F(120C) Buna-NBall150F(65C)Seat Leakage SSBall 20 sccm (max) air flow at 25 psig Buna-NBall 0 sccm @ 50 - 125psig (air flow)

P.O.BOXQTRUMBULL,CT06611CTPHONE(203)261-6711TOLLFREEPHONE(800)533-3285FAX(203)261-8331OKEEFECONTROLSCO.2010ALLRIGHTSRESERVED e-mailca@okcc.comwebsitewww.okcc.com

Controls Co.OKeefe

Inch or Metric Threads

SpecificationsMaximum Temperature Buna-N(nitrile)150F(65C) Viton(Fluorocarbon)250F(120C)General Specifications See corresponding pages 2,3,4,5Drawings and Installation See Page 8Ball Material options: 303SS-allsizes Buna-N(nitrile)- 10/32(M5),5/1618(M8) Viton (fluorocarbon) 1/420 (M6)5/1618(M8)

DescriptionEconomycheckvalveassemblieswithnosesealsareusedtoeliminatethreadleakage. O-rings are used to seal the noseendofthecheckvalvewhenpressedagainst flat surface. There is a choice of Buna-N(Nitrile)orViton(Fluorocarbon)seals. Refer to page 8 for installation instructions.

Fordevelopmentofpartnumberspleasenotecolorcodeuseforselectionofvalvefeatures.

Part NumberThepartnumberconsistsof:

7EconomyLine-NoseSeals

Types: ZNBC, ZNVC,ZMNBC, and ZMNVC

FREE FLOW

Materials of Construction Body5Brass -BR -303SS -SS

Seal1-Viton(Fluorocarbon)V -Buna-N(nitrile) B

Ball6-440C -SS -Viton(Fluorocarbon)V -Buna-N(nitrile) -BN

Inch

Thre

ads

Met

ricTh

read

s

Types1 Description Specificationsameas

ZMNBC CheckValve/BunaNSeal ZMC see pg 3ZMNVC CheckValve/VitonSeal ZMC see pg 3

ZMNBCR Checked Orifice/Buna N Seal ZMCR see pg 5ZMNVCR Checked Orifice/Viton Seal ZMCR see pg 5

Types1 Description Specificationsameas

ZNBC CheckValve/BunaNSeal ZC see pg 2ZNVC CheckValve/VitonSeal ZC see pg 2

ZNBCR Checked Orifice/Buna N Seal ZCR see pg 4ZNVCR Checked Orifice/Viton Seal ZCR see pg 4

ThreadSize

ThreadSize

Code4CheckValve Orifice Size

No.2aCheckedOrifice

SizeNo.2b

6/32 6 20 See10/32 10 31 Chart1/420 1/4 62 Page5/1618 5/16 94 4

ThreadSize

ThreadSize

Code4CheckValve Orifice Size

No.2aCheckedOrifice

SizeNo.2b

M3.5x.6mm M3.5 20 SeeM5x.6mm M5 31 ChartM6x.6mm M6 62 PageM8x.6mm M8 94 5

Inch

Thre

ads

ZMNBC 20 0 M3.5 SS SS ZMNBC-20-0-M3.5-SS-SSZMNVC 31 0 M5 SS BN ZMNVC-31-0-M5-SS-BN

ZMNBCR 42** 0 M6 BR SS ZMNBCR-42-0-M6-BR-SSZMNVCR 69** 0 M8 SS V ZMNVCR-69-0-M8-SS-V

Met

ricTh

read

s

Inch

Thre

ads

Met

ricTh

read

s

*See chart page 4 **See chart page 5

1

Type

2aor2bOrifice

SizeNo.

3CrackingPressure

4ThreadSize

Code

5Body

Material

6Ball

MaterialAssemblyPartNo.

ZNBC 31 0 10 BR BN ZNBC-31-0-10-BR-BNZNVC 62 0 1/4 SS V ZNVC-62-0-1/4-SS-V

ZNBCR 10* 0 6 BR SS ZNBCR-10-0-6-BR-SSZNVCR 25* 0 5/16 BR V ZNVCR-25-0-5/16-BR-V

P.O.BOXQTRUMBULL,CT06611CTPHONE(203)261-6711TOLLFREEPHONE(800)533-3285FAX(203)261-8331OKEEFECONTROLSCO.2010ALLRIGHTSRESERVED e-mailca@okcc.comwebsitewww.okcc.com

Controls Co.OKeefe

Economy Line - DrawingsInch or Metric Threads

Thread L L1 D HexM3.5 7.87 1.97 2.29 2

M5.0 10.8 2.57 3.10 2.5

M6.0 12.7 3.81 4.45 3

M8.0 16.3 4.83 5.59 4

Dimensions-inch

Dimensions-mm

Thread L L1 D Hex6/32 .310 .088 .060 1/16

10/32 .425 .105 .125 3/32

1/420 .500 .150 .175 1/8

5/1618 .640 .190 .220 5/32

Types: ZC, ZCRL

D

L1

Hex

Thread

L

D

L1

Hex

Thread

Types: FMC, FMCR(inches)

.456

.155

.456

Seal

.15510/32

Thread

10/32Thread

Types: FMMC, FMMCR(mm)11.58 mm

3.94 mm

11.94

Seal

3.94

M5Thread

M5Thread

Thread L L1 D HexM3.5 7.87 2.24 2.29 2

M5.0 10.8 2.67 3.18 2.5

M6.0 12.7 3.81 4.45 3

M8.0 16.3 4.83 5.59 4

Dimensions-inch

Dimensions-mm

Thread L L1 D Hex6/32 .310 .088 .090 1/16

10/32 .425 .105 .125 3/32

1/420 .500 .150 .175 1/8

5/1618 .640 .190 .220 5/32

L

D

L1

Hex

Thread

Types: ZMC, ZMCR

Types: ZNVC, ZNVCR ZNBC, ZNBCR

Types: ZMNVC, ZMNVCR ZMNBC, ZMNBCR

L

D

L1

Hex

Thread

NoseSeal(o-ring)

NoseSeal(o-ring)

InstallationSeal against flat smoothsurface

O-Ring NoseSealCheckvalve

MaximumOpening

inches mm inches mm6/32 M3.5x.6 .047" 1.2610/32 M5.0x.8 .070" 1.571/420 M6.0x1 .093" 2.415/1618 M8.0x1.25 .125" 3.18

Thread Maximum Opening