MONROE, CT
Economy Line
Miniature Check Valves
6/32 10/32 1/4•205/16•18
M3.5 M5 M6 M8
CATALOG TCV-1
Controls Co.O’Keefe
10-32 or M5
All Metal Constructionor
Resilient Seating
Inch or Metric Threads
P.O.BOXQ•TRUMBULL,CT06611•CTPHONE(203)261-6711•TOLLFREEPHONE(800)533-3285•FAX(203)261-8331©O’KEEFECONTROLSCO.•2010ALLRIGHTSRESERVED [email protected]•websitewww.okcc.com
Controls Co.O’Keefe
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.
Features•Allmetalconstructionoption• Long life operation•Lowcost
W
Symbol-Check Valve
FREE FLOW
General SpecificationsMaterials of Construction Body–Brassor303SS BallStop–Brassor303SS Ball–Materialoptions:
Size 440C-SS(SS)
Viton(V)
Buna-N(BN)
6/32
10/32
1/4•20
5/16•18
Maximum Temperature Buna-NBall–150°F VitonBall-250°F 440CSSBall–300°FSeat Leakage SSBall 20 sccm (max) air flow at 25 psig ElastomericBall 0 sccm @ 50 psig (air flow) <1 sccm @ 25 psig (air flow)Flow Capacity (air flow)
Type Size CV (SLPM)@50PSIG
ZC 6/32 .009 9
ZC 10/32 .020 20
ZC 1/4•20 .080 80
ZC 5/16•18 .120 130
Thread SealantFor type ZC straight threads useLoctite 542 thread sealant or equal.
Maximum Operating Pressure TypeZC Brass Body– 500 psig (SS Ball) SS Body– 1000 psig (SS Ball) BrassorSSBody– 125 psig (Elastomeric Ball)
Type ZC
FreeFlowOrifice
FREE FLOW
Dimension DrawingsSee Page 8
TypeOrifice
Size No.CrackingPressure
ThreadSize
BodyMaterial1
BallMaterial1 Part No.
ZC(All) (Fixed)
0(All) (Select) (Select) (Select) (ListedBelow)
ZC 20 0 6/32 BR SS ZC-20-0-6/32-BR-SSZC 31 0 10/32 SS BN ZC-31-0-10/32-SS-BNZC 62 0 1/4•20 BR V ZC-62-0-1/4•20-BR-VZC 94 0 5/16•18 SS SS ZC-94-0-5/16•18-SS-SS
Part Number
ExamplePartNumbers
Thepartnumberconsistsof:
1BR-Brass,SS-StainlessSteel,BN-Buna-N,V-Viton
Orientation•Nosedownorhorizontalinstallation Preferredorientation
•NoseupinstallationMOPD*: 25psid--SSball 10psid----Elastomericball
*Minimum Operating Pressure Differential
Nose
P.O.BOXQ•TRUMBULL,CT06611•CTPHONE(203)261-6711•TOLLFREEPHONE(800)533-3285•FAX(203)261-8331©O’KEEFECONTROLSCO.•2010ALLRIGHTSRESERVED [email protected]•websitewww.okcc.com
Controls Co.O’Keefe
EconomyLine-CheckValvesMetric Threads
3
DescriptionThismetricminiaturecheckvalvelineismuchthesameasthe“inch”productline, 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.
Features•Allmetalconstructionoption• Long life operation•Lowcost
W
Symbol-Check Valve
FREE FLOW
General SpecificationsMaterials of Construction Body–Brassor303SS BallStop–Brassor303SS Ball–Materialoptions:
Size 440C-SS(SS)
Flouro-carbon
(V)
Nitrile(BN)
M3.5
M5
M6
M8
Maximum Temperature NitrileBall–65°C FlourocarbonBall-120°C 440CSSBall–150°CSeat Leakage SSBall 20 sccm (max) air flow at 175 kPa ElastomericBall 0 sccm @ 350 kPa (air flow) <1 sccm @ 175 kPa (air flow)Flow Capacity (air flow)
Thread Sealant For type ZMC straight threads use Loctite 542 thread sealant or equal.
Type Size KV (SLPM)@350kPa
ZMC M3.5 .008 9
ZMC M5 .017 20
ZMC M6 .065 80
ZMC M8 .100 130
Maximum Operating Pressure TypeZMC BrassBody–3500kPa(SSBall) SSBody–7000kPa(SSBall) BrassorSSBody-875kPa(ElastomericBall)
Type ZMC
FreeFlowOrifice
FREE FLOW
Dimension DrawingsSee Page 8
TypeOrifice
Size No.CrackingPressure
ThreadSize
BodyMaterial1
BallMaterial1 Part No.
ZMC(All) (Fixed)
0(All) (Select) (Select) (Select) (ListedBelow)
ZMC 20 0 M3.5 BR SS ZMC-20-0-M3.5-BR-SSZMC 31 0 M5 SS BN ZMC-31-0-M5-SS-BNZMC 62 0 M6 BR V ZMC-62-0-M6-BR-VZMC 94 0 M8 SS SS ZMC-94-0-M8-SS-SS
Part Number
ExamplePartNumbers
Thepartnumberconsistsof:
1BR-Brass,SS-StainlessSteel,BN-Nitrile,V-Fluorocarbon
Orientation•Nosedownorhorizontalinstallation Preferredorientation
•NoseupinstallationMOPD*: 175kPa--SSball 75kPa--Elastomericball
*Minimum Operating Pressure DifferentialNose
P.O.BOXQ•TRUMBULL,CT06611•CTPHONE(203)261-6711•TOLLFREEPHONE(800)533-3285•FAX(203)261-8331©O’KEEFECONTROLSCO.•2010ALLRIGHTSRESERVED [email protected]•websitewww.okcc.com
Controls Co.O’Keefe
OrificeSize 6/32 10/32 1/4•20 5/16•18No.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 Body–Brassor303SS BallStop–Brassor303SS Ball–Materialoptions:
Size 440C-SS(SS)
Viton(V)
Buna-N(BN)
6/32
10/32
1/4•20
5/16•18
Seat Leakage SSBall 20 sccm (max) air flow at 25 psig ElastomericBall 0 sccm @ 50 psig (air flow) <1 sccm @ 25 psig (air flow)Thread SealantFor type ZCR straight threads useLoctite 542 thread sealant or equal.
DescriptionA checked orifice consists of a se-ries arrangement of a check valve and a selectable fixed orifice. Size selection is from the table to the left.
RESTRICTED FLOW
SymbolChecked Orifice
Flow Capacity (air flow)Determined by orifice size
Maximum Temperature Buna-NBall–150°F VitonBall-250°F 440CSSBall–300°FDrawing DimensionsSee page 8.
Maximum Operating PressureBrass body/SS ball 500 psigSS body / SS ball 1000 psigElastomeric Ball 125 psig
Orientation•Nosedownorhorizontalinstallation Preferredorientation
•Noseupinstallation Testforapplication
Type ZCR
RESTRICTED FLOW
RestrictedFlow
Orifice
TypeOrifice
Size No.CrackingPressure
ThreadSize
BodyMaterial1
BallMaterial1 Part No.
ZCR(All) (Fixed)
0(All) (Select) (Select) (Select) (ListedBelow)
ZCR 12 0 6/32 BR SS ZCR-12-0-6/32-BR-SSZCR 27 0 10/32 SS BN ZCR-27-0-10/32-SS-BNZCR 52 0 1/4•20 BR V ZCR-52-0-1/4•20-BR-VZCR 81 0 5/16•18 SS SS ZCR-81-0-5/16•18-SS-SS
Part Number
ExamplePartNumbers
Thepartnumberconsistsof:
1BR-Brass,SS-StainlessSteel,BN-Buna-N,V-Viton
4 Economy Line -Checked Orifices
Nose
P.O.BOXQ•TRUMBULL,CT06611•CTPHONE(203)261-6711•TOLLFREEPHONE(800)533-3285•FAX(203)261-8331©O’KEEFECONTROLSCO.•2010ALLRIGHTSRESERVED [email protected]•websitewww.okcc.com
Controls Co.O’Keefe
Metric Threads
General SpecificationsMaterials of Construction Body–Brassor303SS BallStop–Brassor303SS Ball–Materialoptions:
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) <1 sccm @ 175 kPa (air flow)Thread SealantFor type ZMCR straight threads useLoctite 542 thread sealant or equal.
DescriptionA checked orifice consists of a se-ries arrangement of a check valve and a selectable fixed orifice. Size selection is from the table to the left.
RESTRICTED FLOW
SymbolChecked Orifice
Flow Capacity (air flow)Determined by orifice size
Drawing DimensionsSee page 8.
Maximum Temperature NitrileBall–65°C FluorocarbonBall-120°C 440CSSBall–150°CMaximum Operating Pressure TypeZMC BrassBody–3500kPa(SSBall) SSBody–7000kPa(SSBall) BrassorSSBody–875kPa(ElastomericBall)Orientation•Nosedownorhorizontalinstallation Preferredorientation
•Noseupinstallation Testforapplication
Type ZMCR
RESTRICTED FLOW
RestrictedFlow
Orifice
TypeOrifice
Size No.CrackingPressure
ThreadSize
BodyMaterial1
BallMaterial1 Part No.
ZMCR(All) (Fixed)
0(All) (Select) (Select) (Select) (ListedBelow)
ZMCR 10 0 M3.5 BR SS ZMCR-10-0-M3.5-BR-SSZMCR 25 0 M5 SS BN ZMCR-25-0-M5-SS-BNZMCR 47 0 M6 BR V ZMCR-47-0-M6-BR-VZMCR 73 0 M8 SS SS ZMCR-73-0-M8-SS-SS
Part Number
ExamplePartNumbers
Thepartnumberconsistsof:
1BR-Brass,SS-StainlessSteel,BN-Nitrile,V-Fluorocarbon
5
OrificeSize M3.5 M5 M6 M8No.4 0.1 0.1 0.1 0.15 0.13 0.13 0.13 0.136 0.15 0.15 0.15 0.157 0.18 0.18 0.18 0.188 0.20 0.20 0.20 0.209 0.23 0.23 0.23 0.23
10 0.25 0.25 0.25 0.2511 0.28 0.28 0.28 0.2812 0.30 0.30 0.30 0.3013 0.33 0.33 0.33 0.3314 0.36 0.36 0.36 0.3615 0.38 0.38 0.38 0.3816 0.41 0.41 0.41 0.4117 0.43 0.43 0.43 0.4318 0.46 0.46 0.46 0.4619 0.48 0.48 0.48 0.4820 0.51 0.51 0.5121 0.53 0.53 0.5322 0.56 0.56 0.5623 0.58 0.58 0.5824 0.61 0.61 0.6125 0.64 0.64 0.6426 0.66 0.66 0.6627 0.69 0.69 0.6928 0.71 0.71 0.7129 0.74 0.74 0.7431 0.79 0.7932 0.81 0.8133 0.84 0.8435 0.89 0.8937 0.94 0.9438 0.97 0.9739 0.99 0.9940 1.02 1.0241 1.04 1.0442 1.07 1.0743 1.09 1.0947 1.19 1.1952 1.3255 1.4060 1.5263 1.6067 1.7070 1.7873 1.8576 1.9379 2.0181 2.06
ThreadSize
Orifice Diameter - mm
Economy Line -Checked Orifices
Nose
P.O.BOXQ•TRUMBULL,CT06611•CTPHONE(203)261-6711•TOLLFREEPHONE(800)533-3285•FAX(203)261-8331©O’KEEFECONTROLSCO.•2010ALLRIGHTSRESERVED [email protected]•websitewww.okcc.com
Controls Co.O’Keefe
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 Body–Brassor303SS BallStop–Brassor303SS Ball–StainlessSteel(SS)or Buna-N(nitrile)(BN) Seal-Viton(Fluorocarbon) Maximum Temperature SSBall–250°F(120°C) Buna-NBall–150°F(65°C)Seat Leakage SSBall 20 sccm (max) air flow at 25 psig Buna-NBall 0 sccm @ 50 - 125psig (air flow) <20 sccm up to 50 psig (air flow)
DescriptionThisadapterisamale/femalecheckvalvewiththreads10/32(inch)orM5(metric).It has an integral viton (flourocarbon) seal andisavailableinbrassorstainlesssteal.
Drawing DimensionsSee page 8.
Maximum PressureBrass body/SS ball 125 psig (875 kPa)SS body / SS ball 125 psig (875 kPa)Elastomeric Ball 125 psig (875 kPa)
RestrictedFlow
Orifice
TypeOrifice
Size No.CrackingPressure
ThreadSize
BodyMaterial1
BallMaterial1 Part No.
seebelow(All)
31(Fixed)
0(All) (Select) (Select) (Select) (ListedBelow)
FMC 31 0 10/32 BR SS FMC-31-0-10/32-BR-SSFMMC 31 0 M5 SS BN FMMC-31-0-M5-SS-BNFMCR 10 0 10/32 BR BN FMCR-10-0-10/32-BR-BN
FMMCR 18 0 M5 SS SS FMMCR-18-0-M5-SS-SS
Part Number
ExamplePartNumbers
Thepartnumberconsistsof:
1BR-Brass,SS-StainlessSteel,BN-Buna-N,V-Viton
6 Economy Line Adapter - Check Valves, Checked Orifices
TypesFMCR,FMMCR
Flow Capacity -Basic Check ValveFMC(10/32)Cv=.02FMMC(M5)Kv=.017
Flow Capacity - Checked Orifice FMCR(10/32)andFMMCRvaries with orifice size selected. Testforperformance
Orientation•Malethreaddownorhorizontalinstallation Preferredorientation
•Malethreadupinstallation Testforapplication
Types FMC, FMCR,FMMC, FMMCR
FREE FLOW
RESTRICTED FLOW
SymbolsCheckValve
Checked OrificeFREE FLOW
MaleThread
P.O.BOXQ•TRUMBULL,CT06611•CTPHONE(203)261-6711•TOLLFREEPHONE(800)533-3285•FAX(203)261-8331©O’KEEFECONTROLSCO.•2010ALLRIGHTSRESERVED [email protected]•websitewww.okcc.com
Controls Co.O’Keefe
Inch or Metric Threads
SpecificationsMaximum Temperature Buna-N(nitrile)150°F(65°C) Viton(Fluorocarbon)250°F(120°C)General Specifications See corresponding pages 2,3,4,5Drawings and Installation See Page 8Ball Material options: 303SS-allsizes Buna-N(nitrile)- 10/32(M5),5/16•18(M8) Viton (fluorocarbon) 1/4•20 (M6)5/16•18(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 Body5–Brass -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
Code4
CheckValve Orifice Size
No.2a
CheckedOrifice
SizeNo.2b
6/32 6 20 See10/32 10 31 Chart1/4•20 1/4 62 Page5/16•18 5/16 94 4
ThreadSize
ThreadSize
Code4
CheckValve Orifice Size
No.2a
CheckedOrifice
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.BOXQ•TRUMBULL,CT06611•CTPHONE(203)261-6711•TOLLFREEPHONE(800)533-3285•FAX(203)261-8331©O’KEEFECONTROLSCO.•2010ALLRIGHTSRESERVED [email protected]•websitewww.okcc.com
Controls Co.O’Keefe
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
1/4•20 .500 .150 .175 1/8
5/16•18 .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 Hex
M3.5 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
1/4•20 .500 .150 .175 1/8
5/16•18 .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 Ø
inches mm inches mm6/32 M3.5x.6 .047" 1.2610/32 M5.0x.8 .070" 1.571/4•20 M6.0x1 .093" 2.415/16•18 M8.0x1.25 .125" 3.18
Thread Maximum Opening Ø
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