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Feb 03, 2017
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 [email protected]
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 [email protected]
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 [email protected]
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 [email protected]
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 [email protected]
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 [email protected]
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 [email protected]
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 .0