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Department: InstrumentationX
Product Type: ValvesX
Product Sub-Type: Check ValvesX
Product: Check Valve - Inline - CX
CV Factor: 0.75X
Pressure Rating: 6,000 psig (414 bar) CWPX

Trade Name

A-LOK® (179) CPI™ (133)

Inch/Metric

Inch (435) Metric (57)

Connection Type

Double ferrule compression (121) Double ferrule compression / Male NPT (17) Female NPT (49) Female NPT / Male NPT (18) Male NPT (60) Male NPT / Double ferrule compression (41) Male NPT / Female NPT (25) Male NPT / Single ferrule compression (36) Single ferrule compression (81) Single ferrule compression / Male NPT (16) VacuSeal face seal (28)

Inlet port 1

1/8" female NPT (7) 1/8" male NPT (19) 1/4" A-LOK compression (72) 1/4" CPI compression (68) 1/4" female NPT (60) 1/4" male NPT (143) 1/4" VacuSeal face seal (28) 3/8" A-LOK compression (19) 3/8" CPI compression (19) 6mm A-LOK compression (41) 6mm CPI compression (9) 8mm A-LOK compression (6) 8mm CPI compression (1)

Outlet port 2

1/8" female NPT (7) 1/8" male NPT (19) 1/4" A-LOK compression (81) 1/4" CPI compression (74) 1/4" female NPT (67) 1/4" male NPT (92) 1/4" VacuSeal face seal (28) 3/8" A-LOK compression (34) 3/8" CPI compression (33) 6mm A-LOK compression (41) 6mm CPI compression (9) 8mm A-LOK compression (6) 8mm CPI compression (1)

Material - Seats

Ethylene propylene rubber (89) Fluorocarbon rubber (210) Highly fluorinated fluorocarbon rubber (40) Neoprene rubber (27) Nitrile rubber (126)

Cracking Pressure

1/3 psi (0.02 bar) (85) 1 psi (0.07 bar) (94) 5 psi (0.4 bar) (71) 10 psi (0.7 bar) (74) 25 psi (1.7 bar) (52) 50 psi (3.5 bar) (47) 75 psi (5.2 bar) (27) 100 psi (6.9 bar) (42)

Lubricant

Krytox (4) Perfluorinated polyether (488)

Operating Temperature

-15 F to 200 F (-26 C to 93 C) (40) -15 F to 400 F (-26 C to 204 C) (210) -30 F to 275 F (-34 C to 135 C) (126) -45 F to 250 F (-43 C to 121 C) (27) -70 F to 275 F (-57 C to 135 C) (89)

Special Cleaning

Cleaning for oxygen service (76)
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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 1 - 20 of 492  
Part # Availability Price/UOM
++ 2F-C4L-1/3-BN-SS Out of Stock - Lead Time Required $90.15
++ 2F-C4L-1/3-SS Out of Stock - Lead Time Required $92.96
++ 2F-C4L-1-BN-SS Out of Stock - Lead Time Required $90.15
++ 2F-C4L-1-SS Out of Stock - Lead Time Required $92.96
++ 2F-C4L-5-SS Out of Stock - Lead Time Required $90.15
++ 2F-C4L-10-SS Out of Stock - Lead Time Required $90.15
++ 2F-C4L-25-SS Out of Stock - Lead Time Required $90.15
++ 2M-C4L-1/3-EPR-SS Out of Stock - Lead Time Required $95.67
++ 2M-C4L-1/3-KZ-SS Out of Stock - Lead Time Required $110.83
++ 2M-C4L-1/3-SS Out of Stock - Lead Time Required $92.46
++ 2M-C4L-1-BN-SS Out of Stock - Lead Time Required $91.93
++ 2M-C4L-1-EPR-SS Out of Stock - Lead Time Required $95.67
++ 2M-C4L-1-KZ-SS Out of Stock - Lead Time Required $110.83
++ 2M-C4L-1-SS In Stock $94.17
++ 2M-C4L-5-BN-SS Out of Stock - Lead Time Required $93.14
++ 2M-C4L-5-SS Out of Stock - Lead Time Required $93.14
++ 2M-C4L-10-BN-SS Out of Stock - Lead Time Required $92.08
++ 2M-C4L-10-EPR-SS Out of Stock - Lead Time Required $95.67
++ 2M-C4L-10-SS Out of Stock - Lead Time Required $93.08
++ 2M-C4L-25-BN-SS Out of Stock - Lead Time Required $92.77
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 1/3 psi (0.02 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 1/3 psi (0.02 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 1 psi (0.07 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 1 psi (0.07 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 5 psi (0.4 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 10 psi (0.7 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" male NPT 1/8" male NPT Ethylene propylene 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 Highly fluorinated 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 Highly fluorinated 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 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 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
EA 1/8" male NPT 1/8" male NPT Ethylene propylene rubber 10 psi (0.7 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 10 psi (0.7 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 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
2F-C4L-1/3-BN-SS
Out of Stock - Lead Time Required
$90.15
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

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C4L-1/3-SS
Out of Stock - Lead Time Required
$92.96
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

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C4L-1-BN-SS
Out of Stock - Lead Time Required
$90.15
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

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C4L-1-SS
Out of Stock - Lead Time Required
$92.96
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

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C4L-5-SS
Out of Stock - Lead Time Required
$90.15
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

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C4L-10-SS
Out of Stock - Lead Time Required
$90.15
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

10 psi (0.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C4L-25-SS
Out of Stock - Lead Time Required
$90.15
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
2M-C4L-1/3-EPR-SS
Out of Stock - Lead Time Required
$95.67
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

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C4L-1/3-KZ-SS
Out of Stock - Lead Time Required
$110.83
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

Highly fluorinated fluorocarbon rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C4L-1/3-SS
Out of Stock - Lead Time Required
$92.46
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-C4L-1-BN-SS
Out of Stock - Lead Time Required
$91.93
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-C4L-1-EPR-SS
Out of Stock - Lead Time Required
$95.67
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-C4L-1-KZ-SS
Out of Stock - Lead Time Required
$110.83
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

Highly fluorinated fluorocarbon rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C4L-1-SS
In Stock
$94.17
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-C4L-5-BN-SS
Out of Stock - Lead Time Required
$93.14
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-C4L-5-SS
Out of Stock - Lead Time Required
$93.14
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-C4L-10-BN-SS
Out of Stock - Lead Time Required
$92.08
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
2M-C4L-10-EPR-SS
Out of Stock - Lead Time Required
$95.67
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

10 psi (0.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C4L-10-SS
Out of Stock - Lead Time Required
$93.08
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

10 psi (0.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C4L-25-BN-SS
Out of Stock - Lead Time Required
$92.77
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

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
Showing 1 - 20 of 492
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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