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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 47
Part # Availability Price/UOM
++ 4F-CO4L-1/3-BN-SS Lead Time Required $133.46
4F-CO4L-1/3-EPR-SS N/A Call to Order
++ 4F-CO4L-1/3-KZ-SS Lead Time Required $213.81
++ 4F-CO4L-1/3-V-SS Lead Time Required $124.55
++ 4F-CO4L-1/3-V-SS-C3 Lead Time Required $154.88
++ 4F-CO4L-1-BN-SS Lead Time Required $99.19
++ 4F-CO4L-1-EPR-SS Lead Time Required $132.96
++ 4F-CO4L-1-KZ-SS Lead Time Required $195.41
++ 4F-CO4L-1-V-SS Lead Time Required $105.71
4F-CO4L-1-V-SS-C3 N/A Call to Order
++ 4F-CO4L-5-BN-SS Lead Time Required $133.46
++ 4F-CO4L-5-EPR-SS Lead Time Required $133.46
++ 4F-CO4L-5-KZ-SS Lead Time Required $219.15
++ 4F-CO4L-5-V-SS Lead Time Required $84.41
++ 4F-CO4L-10-BN-SS Lead Time Required $132.96
4F-CO4L-10-EPR-SS N/A Call to Order
++ 4F-CO4L-10-KZ-SS Lead Time Required $219.15
++ 4F-CO4L-10-V-SS Lead Time Required $124.55
++ 4F-CO4L-25-EPR-SS Lead Time Required $133.46
++ 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 Nitrile rubber Nitrile rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Ethylene propylene rubber Ethylene propylene rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Fluorocarbon rubber Fluorocarbon rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Fluorocarbon rubber Fluorocarbon rubber 1/3 psi (0.02 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Nitrile rubber Nitrile rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Ethylene propylene rubber Ethylene propylene rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Fluorocarbon rubber Fluorocarbon rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Fluorocarbon rubber Fluorocarbon rubber 1 psi (0.07 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Nitrile rubber Nitrile rubber 5 psi (0.4 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Ethylene propylene rubber Ethylene propylene rubber 5 psi (0.4 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 5 psi (0.4 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Fluorocarbon rubber Fluorocarbon rubber 5 psi (0.4 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Nitrile rubber Nitrile rubber 10 psi (0.7 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Ethylene propylene rubber Ethylene propylene rubber 10 psi (0.7 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 10 psi (0.7 bar) 316 Stainless steel
EA 1/4" female NPT 1/4" female NPT Fluorocarbon rubber Fluorocarbon rubber 10 psi (0.7 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
4F-CO4L-1/3-BN-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

Nitrile rubber

Nitrile rubber

1/3 psi (0.02 bar)

316 Stainless steel

4F-CO4L-1/3-EPR-SS
N/A
Call to Order

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

1/3 psi (0.02 bar)

316 Stainless steel

4F-CO4L-1/3-KZ-SS
Lead Time Required
$213.81

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

1/3 psi (0.02 bar)

316 Stainless steel

4F-CO4L-1/3-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

1/3 psi (0.02 bar)

316 Stainless steel

4F-CO4L-1/3-V-SS-C3
Lead Time Required
$154.88

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

1/3 psi (0.02 bar)

316 Stainless steel

4F-CO4L-1-BN-SS
Lead Time Required
$99.19

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" female NPT

1/4" female NPT

Nitrile rubber

Nitrile rubber

1 psi (0.07 bar)

316 Stainless steel

4F-CO4L-1-EPR-SS
Lead Time Required
$132.96

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

1 psi (0.07 bar)

316 Stainless steel

4F-CO4L-1-KZ-SS
Lead Time Required
$195.41

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

1 psi (0.07 bar)

316 Stainless steel

4F-CO4L-1-V-SS
Lead Time Required
$105.71

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

1 psi (0.07 bar)

316 Stainless steel

4F-CO4L-1-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" female NPT

1/4" female NPT

Fluorocarbon rubber

Fluorocarbon rubber

1 psi (0.07 bar)

316 Stainless steel

4F-CO4L-5-BN-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

Nitrile rubber

Nitrile rubber

5 psi (0.4 bar)

316 Stainless steel

4F-CO4L-5-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

5 psi (0.4 bar)

316 Stainless steel

4F-CO4L-5-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

5 psi (0.4 bar)

316 Stainless steel

4F-CO4L-5-V-SS
Lead Time Required
$84.41

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

5 psi (0.4 bar)

316 Stainless steel

4F-CO4L-10-BN-SS
Lead Time Required
$132.96

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

EA

1/4" female NPT

1/4" female NPT

Nitrile rubber

Nitrile rubber

10 psi (0.7 bar)

316 Stainless steel

4F-CO4L-10-EPR-SS
N/A
Call to Order

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

10 psi (0.7 bar)

316 Stainless steel

4F-CO4L-10-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

10 psi (0.7 bar)

316 Stainless steel

4F-CO4L-10-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

10 psi (0.7 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

Showing 1 - 20 of 47
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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