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Check Valve - Inline - COCheck Valve - Inline - CO

Check Valve - Inline - CO

Parker Inline Check Valve - CO Series

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Showing 1 - 20 of 50
Part # Availability Price/UOM
++ 4A-CO4L-25-BN-SS Lead Time Required $138.80
++ 4A-CO4L-25-EPR-SS Lead Time Required $138.80
++ 4A-CO4L-25-KZ-SS Lead Time Required $235.91
++ 4A-CO4L-25-V-SS Lead Time Required $129.90
++ 4F-CO4L-25-EPR-SS Lead Time Required $133.46
++ 4F-CO4L-25-EPR-SS-C3 Lead Time Required $162.08
++ 4F-CO4L-25-KZ-SS Lead Time Required $219.15
++ 4F-CO4L-25-V-SS Lead Time Required $124.55
++ 4M-CO4L-25-EPR-SS Lead Time Required $125.35
++ 4M-CO4L-25-KZ-SS Lead Time Required $181.78
++ 4M-CO4L-25-V-SS Lead Time Required $84.41
4M-CO4L-25-V-SS-C3 N/A Call to Order
4M4A-CO4L-25-BN-SS N/A Call to Order
++ 4M4A-CO4L-25-V-SS Lead Time Required $128.71
++ 4M4F-CO4L-25-KZ-SS Lead Time Required $238.59
++ 4M4F-CO4L-25-V-SS Lead Time Required $132.43
++ 4M4Z-CO4L-25-V-SS Lead Time Required $128.71
++ 4Q-CO4L-25-V-SS Lead Time Required $176.33
++ 4V-CO4L-25-BN-SS Lead Time Required $178.53
++ 4V-CO4L-25-EPR-SS Lead Time Required $178.53
UOM Inlet port 1 Outlet port 2 Material - Seats Material - Seals Cracking pressure Material
EA 1/4" A-LOK compression 1/4" A-LOK compression Nitrile rubber Nitrile rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" A-LOK compression 1/4" A-LOK compression Ethylene propylene rubber Ethylene propylene rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" A-LOK compression 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" A-LOK compression 1/4" A-LOK compression Fluorocarbon rubber Fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Ethylene propylene rubber Ethylene propylene rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Ethylene propylene rubber Ethylene propylene rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Fluorocarbon rubber Fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" male NPT 1/4" male NPT Ethylene propylene rubber Ethylene propylene rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" male NPT 1/4" male NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" male NPT 1/4" male NPT Fluorocarbon rubber Fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" male NPT 1/4" male NPT Fluorocarbon rubber Fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" male NPT 1/4" A-LOK compression Nitrile rubber Nitrile rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" male NPT 1/4" A-LOK compression Fluorocarbon rubber Fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" male NPT 1/4" female NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" male NPT 1/4" female NPT Fluorocarbon rubber Fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" male NPT 1/4" CPI compression Fluorocarbon rubber Fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" UltraSeal face seal 1/4" UltraSeal face seal Fluorocarbon rubber Fluorocarbon rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" VacuSeal face seal 1/4" VacuSeal face seal Nitrile rubber Nitrile rubber 25 psi (1.7 bar) 316 Stainless steel
EA 1/4" VacuSeal face seal 1/4" VacuSeal face seal Ethylene propylene rubber Ethylene propylene rubber 25 psi (1.7 bar) 316 Stainless steel
4A-CO4L-25-BN-SS
Lead Time Required
$138.80

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" A-LOK compression

1/4" A-LOK compression

Nitrile rubber

Nitrile rubber

25 psi (1.7 bar)

316 Stainless steel

4A-CO4L-25-EPR-SS
Lead Time Required
$138.80

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" A-LOK compression

1/4" A-LOK compression

Ethylene propylene rubber

Ethylene propylene rubber

25 psi (1.7 bar)

316 Stainless steel

4A-CO4L-25-KZ-SS
Lead Time Required
$235.91

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" A-LOK compression

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4A-CO4L-25-V-SS
Lead Time Required
$129.90

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" A-LOK compression

1/4" A-LOK compression

Fluorocarbon rubber

Fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4F-CO4L-25-EPR-SS
Lead Time Required
$133.46

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" female NPT

1/4" female NPT

Ethylene propylene rubber

Ethylene propylene rubber

25 psi (1.7 bar)

316 Stainless steel

4F-CO4L-25-EPR-SS-C3
Lead Time Required
$162.08

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" female NPT

1/4" female NPT

Ethylene propylene rubber

Ethylene propylene rubber

25 psi (1.7 bar)

316 Stainless steel

4F-CO4L-25-KZ-SS
Lead Time Required
$219.15

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" female NPT

1/4" female NPT

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4F-CO4L-25-V-SS
Lead Time Required
$124.55

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" female NPT

1/4" female NPT

Fluorocarbon rubber

Fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4M-CO4L-25-EPR-SS
Lead Time Required
$125.35

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" male NPT

1/4" male NPT

Ethylene propylene rubber

Ethylene propylene rubber

25 psi (1.7 bar)

316 Stainless steel

4M-CO4L-25-KZ-SS
Lead Time Required
$181.78

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" male NPT

1/4" male NPT

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4M-CO4L-25-V-SS
Lead Time Required
$84.41

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" male NPT

1/4" male NPT

Fluorocarbon rubber

Fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4M-CO4L-25-V-SS-C3
N/A
Call to Order

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" male NPT

1/4" male NPT

Fluorocarbon rubber

Fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4M4A-CO4L-25-BN-SS
N/A
Call to Order

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" male NPT

1/4" A-LOK compression

Nitrile rubber

Nitrile rubber

25 psi (1.7 bar)

316 Stainless steel

4M4A-CO4L-25-V-SS
Lead Time Required
$128.71

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" male NPT

1/4" A-LOK compression

Fluorocarbon rubber

Fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4M4F-CO4L-25-KZ-SS
Lead Time Required
$238.59

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" male NPT

1/4" female NPT

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4M4F-CO4L-25-V-SS
Lead Time Required
$132.43

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" male NPT

1/4" female NPT

Fluorocarbon rubber

Fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4M4Z-CO4L-25-V-SS
Lead Time Required
$128.71

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" male NPT

1/4" CPI compression

Fluorocarbon rubber

Fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4Q-CO4L-25-V-SS
Lead Time Required
$176.33

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" UltraSeal face seal

1/4" UltraSeal face seal

Fluorocarbon rubber

Fluorocarbon rubber

25 psi (1.7 bar)

316 Stainless steel

4V-CO4L-25-BN-SS
Lead Time Required
$178.53

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" VacuSeal face seal

1/4" VacuSeal face seal

Nitrile rubber

Nitrile rubber

25 psi (1.7 bar)

316 Stainless steel

4V-CO4L-25-EPR-SS
Lead Time Required
$178.53

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" VacuSeal face seal

1/4" VacuSeal face seal

Ethylene propylene rubber

Ethylene propylene rubber

25 psi (1.7 bar)

316 Stainless steel

Showing 1 - 20 of 50
Parker CO 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. The CO Series is particularly suitable for applications requiring high integrity leak rates and re-sealing capabilities.

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