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Department: InstrumentationX
Product Type: ValvesX
Product Sub-Type: Check ValvesX
Product: Check Valve - Inline - CX
Series: C4X

Trade Name

A-LOK® (285) CPI™ (219) Seal-Lok® (11)

Inch/Metric

Inch (801) Metric (70)

Connection Type

Double ferrule compression (193) Double ferrule compression / Male NPT (22) Female NPT (109) Female NPT / Male NPT (30) Male NPT (123) Male NPT / Double ferrule compression (70) Male NPT / Female NPT (60) Male NPT / Single ferrule compression (70) Seal-Lok face seal (11) Single ferrule compression (129) Single ferrule compression / Male NPT (20) VacuSeal face seal (34)

Inlet port 1

1/8" female NPT (24) 1/8" male NPT (37) 1/4" A-LOK compression (121) 1/4" CPI compression (98) 1/4" female NPT (115) 1/4" male NPT (286) 1/4" Seal-Lok face seal (1) 1/4" Seal-Lok face seal with o-ring (10) 1/4" VacuSeal face seal (34) 3/8" A-LOK compression (36) 3/8" CPI compression (39) 6mm A-LOK compression (51) 6mm CPI compression (11) 8mm A-LOK compression (7) 8mm CPI compression (1)

Outlet port 2

1/8" female NPT (24) 1/8" male NPT (37) 1/4" A-LOK compression (145) 1/4" CPI compression (118) 1/4" female NPT (145) 1/4" male NPT (158) 1/4" Seal-Lok face seal (1) 1/4" Seal-Lok face seal with o-ring (10) 1/4" VacuSeal face seal (34) 3/8" A-LOK compression (60) 3/8" CPI compression (69) 6mm A-LOK compression (51) 6mm CPI compression (11) 8mm A-LOK compression (7) 8mm CPI compression (1)

CV Factor

0.66 (11) 0.75 (860)

Material

Brass (272) Stainless Steel (599)

Material - Seats

Ethylene propylene rubber (112) Fluorocarbon rubber (329) Highly fluorinated fluorocarbon rubber (40) Neoprene rubber (36) Nitrile rubber (257) PTFE (97)

Cracking Pressure

1/3 psi (0.02 bar) (149) 1 psi (0.07 bar) (166) 5 psi (0.4 bar) (127) 10 psi (0.7 bar) (128) 25 psi (1.7 bar) (89) 50 psi (3.5 bar) (81) 75 psi (5.2 bar) (53) 100 psi (6.9 bar) (78)

Lubricant

Krytox (6) Perfluorinated polyether (865)

Operating Temperature

-15 F to 200 F (-26 C to 93 C) (40) -15 F to 400 F (-26 C to 204 C) (329) -30 F to 275 F (-34 C to 135 C) (257) -45 F to 250 F (-43 C to 121 C) (36) -65 F to 400 F (-54 C to 204 C) (97) -70 F to 275 F (-57 C to 135 C) (112)

Orifice size

0.172 Inch (4.4mm) (11) 0.187 Inch (4.7mm) (860)

Pressure Rating

3,000 psig (207 bar) CWP (272) 4,000 psig (276 bar) CWP (97) 6,000 psig (414 bar) CWP (502)

Special Cleaning

Cleaning for oxygen service (142)
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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 871  
Part # Availability Price/UOM
++ 2F-C4L-1/3-B Out of Stock - Lead Time Required $101.23
++ 2F-C4L-1/3-BN-B Out of Stock - Lead Time Required $100.89
++ 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-1/3-T-SS N/A Call to Order
++ 2F-C4L-1-B Out of Stock - Lead Time Required $101.13
++ 2F-C4L-1-BN-B Out of Stock - Lead Time Required $100.89
++ 2F-C4L-1-BN-SS Out of Stock - Lead Time Required $90.15
++ 2F-C4L-1-EPR-B Out of Stock - Lead Time Required $100.89
++ 2F-C4L-1-SS Out of Stock - Lead Time Required $92.96
++ 2F-C4L-5-B Out of Stock - Lead Time Required $101.43
++ 2F-C4L-5-BN-B Out of Stock - Lead Time Required $101.23
++ 2F-C4L-5-SS Out of Stock - Lead Time Required $90.15
++ 2F-C4L-10-B Out of Stock - Lead Time Required $101.43
++ 2F-C4L-10-BN-B Out of Stock - Lead Time Required $101.13
++ 2F-C4L-10-EPR-B Out of Stock - Lead Time Required $101.13
++ 2F-C4L-10-SS Out of Stock - Lead Time Required $90.15
++ 2F-C4L-25-B Out of Stock - Lead Time Required $102.07
++ 2F-C4L-25-BN-B Out of Stock - Lead Time Required $101.97
++ 2F-C4L-25-SS Out of Stock - Lead Time Required $90.15
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) Brass Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 1/3 psi (0.02 bar) Brass Special request, please call for COO Special request, please call for 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 PTFE 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 psi (0.07 bar) Brass 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) Brass 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 Ethylene propylene rubber 1 psi (0.07 bar) Brass 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) Brass Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 5 psi (0.4 bar) Brass 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) Brass Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 10 psi (0.7 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Ethylene propylene rubber 10 psi (0.7 bar) Brass 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) Brass Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 25 psi (1.7 bar) Brass 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
2F-C4L-1/3-B
Out of Stock - Lead Time Required
$101.23
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)

Brass

Special request, please call for COO

Special request, please call for HTS
2F-C4L-1/3-BN-B
Out of Stock - Lead Time Required
$100.89
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)

Brass

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-1/3-T-SS
N/A
Call to Order
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

PTFE

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C4L-1-B
Out of Stock - Lead Time Required
$101.13
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)

Brass

Special request, please call for COO

Special request, please call for HTS
2F-C4L-1-BN-B
Out of Stock - Lead Time Required
$100.89
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)

Brass

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-EPR-B
Out of Stock - Lead Time Required
$100.89
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

1 psi (0.07 bar)

Brass

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-B
Out of Stock - Lead Time Required
$101.43
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)

Brass

Special request, please call for COO

Special request, please call for HTS
2F-C4L-5-BN-B
Out of Stock - Lead Time Required
$101.23
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

5 psi (0.4 bar)

Brass

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-B
Out of Stock - Lead Time Required
$101.43
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)

Brass

Special request, please call for COO

Special request, please call for HTS
2F-C4L-10-BN-B
Out of Stock - Lead Time Required
$101.13
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

10 psi (0.7 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
2F-C4L-10-EPR-B
Out of Stock - Lead Time Required
$101.13
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

10 psi (0.7 bar)

Brass

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-B
Out of Stock - Lead Time Required
$102.07
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)

Brass

Special request, please call for COO

Special request, please call for HTS
2F-C4L-25-BN-B
Out of Stock - Lead Time Required
$101.97
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

25 psi (1.7 bar)

Brass

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
Showing 1 - 20 of 871
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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