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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 81
Part # Availability Price/UOM
++ 4Z-CO4L-1/3-BN-SS Lead Time Required $141.52
++ 4Z-CO4L-1/3-EPR-SS Lead Time Required $138.80
++ 4Z-CO4L-1/3-KZ-SS Lead Time Required $224.50
++ 4Z-CO4L-1/3-V-SS Lead Time Required $129.90
++ 4Z-CO4L-1/3-V-SS-C3 Lead Time Required $160.23
++ 4Z-CO4L-1-BN-SS Lead Time Required $104.43
++ 4Z-CO4L-1-EPR-SS Lead Time Required $138.80
++ 4Z-CO4L-1-KZ-SS Lead Time Required $224.50
++ 4Z-CO4L-1-KZ-SS-C3 Lead Time Required $254.83
++ 4Z-CO4L-1-V-SS Lead Time Required $129.90
++ 4Z-CO4L-1-V-SS-C3 Lead Time Required $160.23
++ 4Z-CO4L-5-BN-SS Lead Time Required $138.32
++ 4Z-CO4L-5-EPR-SS Lead Time Required $145.56
++ 4Z-CO4L-5-KZ-SS Lead Time Required $210.63
++ 4Z-CO4L-5-V-SS Lead Time Required $129.90
++ 4Z-CO4L-10-BN-SS Lead Time Required $104.43
++ 4Z-CO4L-10-EPR-SS Lead Time Required $138.32
++ 4Z-CO4L-10-KZ-SS Lead Time Required $244.15
++ 4Z-CO4L-10-V-SS Lead Time Required $129.90
++ 4Z-CO4L-10-V-SS-C3 Lead Time Required $160.23
UOM Inlet port 1 Outlet port 2 Material - Seats Material - Seals Cracking pressure Material
EA 1/4" CPI compression 1/4" CPI compression Nitrile rubber Nitrile rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Ethylene propylene rubber Ethylene propylene rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Fluorocarbon rubber Fluorocarbon rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Fluorocarbon rubber Fluorocarbon rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Nitrile rubber Nitrile rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Ethylene propylene rubber Ethylene propylene rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Fluorocarbon rubber Fluorocarbon rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Fluorocarbon rubber Fluorocarbon rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Nitrile rubber Nitrile rubber 5 psi (0.4 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Ethylene propylene rubber Ethylene propylene rubber 5 psi (0.4 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 5 psi (0.4 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Fluorocarbon rubber Fluorocarbon rubber 5 psi (0.4 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Nitrile rubber Nitrile rubber 10 psi (0.7 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Ethylene propylene rubber Ethylene propylene rubber 10 psi (0.7 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 10 psi (0.7 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Fluorocarbon rubber Fluorocarbon rubber 10 psi (0.7 bar) 316 Stainless steel
EA 1/4" CPI compression 1/4" CPI compression Fluorocarbon rubber Fluorocarbon rubber 10 psi (0.7 bar) 316 Stainless steel
4Z-CO4L-1/3-BN-SS
Lead Time Required
$141.52

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Nitrile rubber

Nitrile rubber

1/3 psi (0.02 bar)

316 Stainless steel

4Z-CO4L-1/3-EPR-SS
Lead Time Required
$138.80

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Ethylene propylene rubber

Ethylene propylene rubber

1/3 psi (0.02 bar)

316 Stainless steel

4Z-CO4L-1/3-KZ-SS
Lead Time Required
$224.50

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

1/3 psi (0.02 bar)

316 Stainless steel

4Z-CO4L-1/3-V-SS
Lead Time Required
$129.90

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Fluorocarbon rubber

Fluorocarbon rubber

1/3 psi (0.02 bar)

316 Stainless steel

4Z-CO4L-1/3-V-SS-C3
Lead Time Required
$160.23

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Fluorocarbon rubber

Fluorocarbon rubber

1/3 psi (0.02 bar)

316 Stainless steel

4Z-CO4L-1-BN-SS
Lead Time Required
$104.43

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Nitrile rubber

Nitrile rubber

1 psi (0.07 bar)

316 Stainless steel

4Z-CO4L-1-EPR-SS
Lead Time Required
$138.80

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Ethylene propylene rubber

Ethylene propylene rubber

1 psi (0.07 bar)

316 Stainless steel

4Z-CO4L-1-KZ-SS
Lead Time Required
$224.50

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

1 psi (0.07 bar)

316 Stainless steel

4Z-CO4L-1-KZ-SS-C3
Lead Time Required
$254.83

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

1 psi (0.07 bar)

316 Stainless steel

4Z-CO4L-1-V-SS
Lead Time Required
$129.90

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Fluorocarbon rubber

Fluorocarbon rubber

1 psi (0.07 bar)

316 Stainless steel

4Z-CO4L-1-V-SS-C3
Lead Time Required
$160.23

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Fluorocarbon rubber

Fluorocarbon rubber

1 psi (0.07 bar)

316 Stainless steel

4Z-CO4L-5-BN-SS
Lead Time Required
$138.32

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Nitrile rubber

Nitrile rubber

5 psi (0.4 bar)

316 Stainless steel

4Z-CO4L-5-EPR-SS
Lead Time Required
$145.56

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Ethylene propylene rubber

Ethylene propylene rubber

5 psi (0.4 bar)

316 Stainless steel

4Z-CO4L-5-KZ-SS
Lead Time Required
$210.63

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

5 psi (0.4 bar)

316 Stainless steel

4Z-CO4L-5-V-SS
Lead Time Required
$129.90

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Fluorocarbon rubber

Fluorocarbon rubber

5 psi (0.4 bar)

316 Stainless steel

4Z-CO4L-10-BN-SS
Lead Time Required
$104.43

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Nitrile rubber

Nitrile rubber

10 psi (0.7 bar)

316 Stainless steel

4Z-CO4L-10-EPR-SS
Lead Time Required
$138.32

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Ethylene propylene rubber

Ethylene propylene rubber

10 psi (0.7 bar)

316 Stainless steel

4Z-CO4L-10-KZ-SS
Lead Time Required
$244.15

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

10 psi (0.7 bar)

316 Stainless steel

4Z-CO4L-10-V-SS
Lead Time Required
$129.90

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Fluorocarbon rubber

Fluorocarbon rubber

10 psi (0.7 bar)

316 Stainless steel

4Z-CO4L-10-V-SS-C3
Lead Time Required
$160.23

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" CPI compression

1/4" CPI compression

Fluorocarbon rubber

Fluorocarbon rubber

10 psi (0.7 bar)

316 Stainless steel

Showing 1 - 20 of 81
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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