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Department: InstrumentationX
Product Type: ValvesX
Product Sub-Type: Check ValvesX
Product: Check Valve - Inline - CX
Pressure Rating: 6,000 psig (414 bar) CWPX

Trade Name

A-LOK® (449) CPI™ (337) Seal-Lok® (36)

Series

C2 (95) C4 (502) C6 (278) C8 (254) C12 (124)

Inch/Metric

Inch (1088) Metric (165)

Connection Type

Double ferrule compression (376) Double ferrule compression / Male NPT (17) Female NPT (181) Female NPT / Male NPT (18) Male NPT (179) Male NPT / Double ferrule compression (56) Male NPT / Female NPT (25) Male NPT / Single ferrule compression (47) Seal-Lok face seal (36) Single ferrule compression (274) Single ferrule compression / Male NPT (16) VacuSeal face seal (28)

Inlet port 1

1/8" A-LOK compression (25) 1/8" CPI compression (24) 1/8" female NPT (31) 1/8" male NPT (41) 1/4" A-LOK compression (72) 1/4" CPI compression (68) 1/4" female NPT (60) 1/4" male NPT (143) 1/4" Seal-Lok face seal (1) 1/4" Seal-Lok face seal with o-ring (9) 1/4" VacuSeal face seal (28) 3/8" A-LOK compression (58) 3/8" CPI compression (64) 3/8" female NPT (27) 3/8" male NPT (52) 3/8" Seal-Lok face seal with o-ring (8) 1/2" A-LOK compression (69) 1/2" CPI compression (75) 1/2" female NPT (48) 1/2" male NPT (53) 1/2" Seal-Lok face seal with o-ring (8) 3/4" A-LOK compression (31) 3/4" CPI compression (32) 3/4" female NPT (33) 3/4" male NPT (18) 3/4" Seal-Lok face seal with o-ring (10) 6mm A-LOK compression (41) 6mm CPI compression (9) 8mm A-LOK compression (26) 8mm CPI compression (2) 10mm A-LOK compression (31) 10mm CPI compression (8) 12mm A-LOK compression (40) 12mm CPI compression (8)

Outlet port 2

1/8" A-LOK compression (25) 1/8" CPI compression (24) 1/8" female NPT (31) 1/8" male NPT (41) 1/4" A-LOK compression (81) 1/4" CPI compression (74) 1/4" female NPT (67) 1/4" male NPT (92) 1/4" Seal-Lok face seal (1) 1/4" Seal-Lok face seal with o-ring (9) 1/4" VacuSeal face seal (28) 3/8" A-LOK compression (88) 3/8" CPI compression (89) 3/8" female NPT (27) 3/8" male NPT (26) 3/8" Seal-Lok face seal with o-ring (8) 1/2" A-LOK compression (69) 1/2" CPI compression (75) 1/2" female NPT (48) 1/2" male NPT (53) 1/2" Seal-Lok face seal with o-ring (8) 3/4" A-LOK compression (31) 3/4" CPI compression (32) 3/4" female NPT (33) 3/4" male NPT (18) 3/4" Seal-Lok face seal with o-ring (10) 6mm A-LOK compression (41) 6mm CPI compression (9) 8mm A-LOK compression (26) 8mm CPI compression (2) 10mm A-LOK compression (31) 10mm CPI compression (8) 12mm A-LOK compression (40) 12mm CPI compression (8)

CV Factor

0.22 (49) 0.31 (46) 0.66 (10) 0.75 (492) 2.02 (21) 2.05 (8) 2.09 (110) 2.16 (42) 2.26 (97) 2.93 (45) 2.96 (8) 3.3 (100) 3.53 (101) 6.01 (124)

Material - Seats

Ethylene propylene rubber (219) Fluorocarbon rubber (534) Highly fluorinated fluorocarbon rubber (103) Neoprene rubber (92) Nitrile rubber (305)

Cracking Pressure

1/3 psi (0.02 bar) (216) 1 psi (0.07 bar) (226) 5 psi (0.4 bar) (183) 10 psi (0.7 bar) (186) 25 psi (1.7 bar) (141) 50 psi (3.5 bar) (117) 75 psi (5.2 bar) (71) 100 psi (6.9 bar) (113)

Lubricant

Krytox (12) Perfluorinated polyether (1241)

Operating Temperature

-15 F to 200 F (-26 C to 93 C) (103) -15 F to 400 F (-26 C to 204 C) (534) -30 F to 275 F (-34 C to 135 C) (305) -45 F to 250 F (-43 C to 121 C) (92) -70 F to 275 F (-57 C to 135 C) (219)

Orifice size

0.093 Inch (2.4mm) (49) 0.125 Inch (3.2mm) (46) 0.172 Inch (4.4mm) (10) 0.187 Inch (4.7mm) (492) 0.250 Inch (6.4mm) (21) 0.264 Inch (6.7mm) (8) 0.281 Inch (7.1mm) (110) 0.312 Inch (7.9mm) (42) 0.359 Inch (9.1mm) (97) 0.375 Inch (9.5mm) (45) 0.378 Inch (9.6mm) (8) 0.423 Inch (10.7mm) (100) 0.453 Inch (11.5mm) (101) 0.594 Inch (15.1mm) (124)

Special Cleaning

Cleaning for oxygen service (198)
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Check Valve - Inline - CCheck Valve - Inline - C

Check Valve - Inline - C

Parker Inline Check Valve - C Series

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Showing 41 - 60 of 1253  
Part # Availability Price/UOM
++ 2F-C2L-25-SS Out of Stock - Lead Time Required $97.29
++ 2F-C2L-25-SS-C3 Out of Stock - Lead Time Required $131.37
++ 2F-C2L-50-BN-SS Out of Stock - Lead Time Required $97.29
++ 2F-C2L-50-SS Out of Stock - Lead Time Required $97.29
++ 2F-C2L-75-EPR-SS Out of Stock - Lead Time Required $102.41
++ 2F-C2L-75-SS Out of Stock - Lead Time Required $88.17
++ 2F-C2L-100-BN-SS Out of Stock - Lead Time Required $97.29
++ 2F-C2L-100-EPR-SS Out of Stock - Lead Time Required $113.69
++ 2F-C2L-100-SS Out of Stock - Lead Time Required $97.29
++ 2M-C2L-1/3-BN-SS Out of Stock - Lead Time Required $90.35
++ 2M-C2L-1/3-SS Out of Stock - Lead Time Required $96.41
++ 2M-C2L-1/3-SS-C3 Out of Stock - Lead Time Required $122.55
++ 2M-C2L-1-BN-SS Out of Stock - Lead Time Required $90.35
++ 2M-C2L-1-EPR-SS Out of Stock - Lead Time Required $105.52
++ 2M-C2L-1-EPR-SS-C3 Out of Stock - Lead Time Required $137.67
++ 2M-C2L-1-SS Out of Stock - Lead Time Required $89.12
++ 2M-C2L-5-BN-SS Out of Stock - Lead Time Required $90.35
++ 2M-C2L-5-EPR-SS Out of Stock - Lead Time Required $105.52
++ 2M-C2L-5-SS Out of Stock - Lead Time Required $96.41
++ 2M-C2L-10-BN-SS Out of Stock - Lead Time Required $90.35
UOM Inlet port 1 Outlet port 2 Material - Seats Cracking pressure Material Country of Origin (COO) Harmonized Tariff (HTS)
EA 1/8" female NPT 1/8" female NPT Fluorocarbon rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Fluorocarbon rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 50 psi (3.5 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Fluorocarbon rubber 50 psi (3.5 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Ethylene propylene rubber 75 psi (5.2 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Fluorocarbon rubber 75 psi (5.2 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 100 psi (6.9 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Ethylene propylene rubber 100 psi (6.9 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Fluorocarbon rubber 100 psi (6.9 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Fluorocarbon rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Fluorocarbon rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Ethylene propylene rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Ethylene propylene rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Fluorocarbon rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Ethylene propylene rubber 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Fluorocarbon rubber 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 10 psi (0.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
2F-C2L-25-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Fluorocarbon rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-25-SS-C3
Out of Stock - Lead Time Required
$131.37
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Fluorocarbon rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-50-BN-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Nitrile rubber

50 psi (3.5 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-50-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Fluorocarbon rubber

50 psi (3.5 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-75-EPR-SS
Out of Stock - Lead Time Required
$102.41
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Ethylene propylene rubber

75 psi (5.2 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-75-SS
Out of Stock - Lead Time Required
$88.17
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Fluorocarbon rubber

75 psi (5.2 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-100-BN-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Nitrile rubber

100 psi (6.9 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-100-EPR-SS
Out of Stock - Lead Time Required
$113.69
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Ethylene propylene rubber

100 psi (6.9 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-100-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Fluorocarbon rubber

100 psi (6.9 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-1/3-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-1/3-SS
Out of Stock - Lead Time Required
$96.41
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Fluorocarbon rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-1/3-SS-C3
Out of Stock - Lead Time Required
$122.55
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Fluorocarbon rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-1-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-1-EPR-SS
Out of Stock - Lead Time Required
$105.52
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Ethylene propylene rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-1-EPR-SS-C3
Out of Stock - Lead Time Required
$137.67
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Ethylene propylene rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-1-SS
Out of Stock - Lead Time Required
$89.12
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Fluorocarbon rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-5-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-5-EPR-SS
Out of Stock - Lead Time Required
$105.52
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Ethylene propylene rubber

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-5-SS
Out of Stock - Lead Time Required
$96.41
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Fluorocarbon rubber

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-10-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

10 psi (0.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
Showing 41 - 60 of 1253
Parker C Series Check Valves are designed for uni-directional flow control of fluids and gases in industries such as chemical processing, oil and gas production and transmission, pharmaceutical, pulp and paper, power and utilities.

Application: In the key markets of chemical & refining, food, beverage & dairy, medical & dental, microelectronics, oil & gas, and power generation.
Parker Instrumentation Check Valves
Parker Instrumentation Check Valves
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