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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 88  
Part # Availability Price/UOM
++ 4A-CO4L-1/3-KZ-SS Out of Stock - Lead Time Required $251.06
++ 4A-CO4L-1/3-KZ-SS-C3 Out of Stock - Lead Time Required $285.53
++ 4A-CO4L-1-KZ-SS Out of Stock - Lead Time Required $251.06
++ 4A-CO4L-5-KZ-SS Out of Stock - Lead Time Required $264.55
++ 4A-CO4L-10-KZ-SS Out of Stock - Lead Time Required $273.51
++ 4A-CO4L-10-KZ-SS-C3 Out of Stock - Lead Time Required $299.07
++ 4A-CO4L-25-KZ-SS Out of Stock - Lead Time Required $264.55
++ 4A-CO4L-50-KZ-SS Out of Stock - Lead Time Required $264.55
++ 4A-CO4L-100-KZ-SS Out of Stock - Lead Time Required $264.55
++ 4F-CO4L-1/3-KZ-SS Out of Stock - Lead Time Required $240.43
++ 4F-CO4L-1-KZ-SS Out of Stock - Lead Time Required $258.55
++ 4F-CO4L-5-KZ-SS Out of Stock - Lead Time Required $246.43
++ 4F-CO4L-10-KZ-SS Out of Stock - Lead Time Required $246.43
++ 4F-CO4L-25-KZ-SS Out of Stock - Lead Time Required $246.43
++ 4M-CO4L-1/3-KZ-SS Out of Stock - Lead Time Required $236.04
++ 4M-CO4L-1-KZ-SS Out of Stock - Lead Time Required $270.51
++ 4M-CO4L-5-KZ-SS Out of Stock - Lead Time Required $270.51
++ 4M-CO4L-10-KZ-SS Out of Stock - Lead Time Required $270.51
++ 4M-CO4L-25-KZ-SS Out of Stock - Lead Time Required $240.43
++ 4M-CO4L-50-KZ-SS Out of Stock - Lead Time Required $236.04
UOM Inlet port 1 Outlet port 2 Material - Seats Material - Seals Cracking pressure Material Country of Origin (COO) Harmonized Tariff (HTS)
EA 1/4" A-LOK compression 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1/3 psi (0.02 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
EA 1/4" A-LOK compression 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1/3 psi (0.02 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
EA 1/4" A-LOK compression 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1 psi (0.07 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
EA 1/4" A-LOK compression 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 5 psi (0.4 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
EA 1/4" A-LOK compression 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 10 psi (0.7 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
EA 1/4" A-LOK compression 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 10 psi (0.7 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
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 Special request, please call for COO Special request, please call for HTS
EA 1/4" A-LOK compression 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 50 psi (3.5 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
EA 1/4" A-LOK compression 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 100 psi (6.9 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
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 Special request, please call for COO Special request, please call for HTS
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 Special request, please call for COO Special request, please call for HTS
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 Special request, please call for COO Special request, please call for HTS
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 Special request, please call for COO Special request, please call for HTS
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 Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1/3 psi (0.02 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 1 psi (0.07 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 5 psi (0.4 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 10 psi (0.7 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
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 Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Highly fluorinated fluorocarbon rubber Highly fluorinated fluorocarbon rubber 50 psi (3.5 bar) 316 Stainless steel Special request, please call for COO Special request, please call for HTS
4A-CO4L-1/3-KZ-SS
Out of Stock - Lead Time Required
$251.06

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" A-LOK compression

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

1/3 psi (0.02 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4A-CO4L-1/3-KZ-SS-C3
Out of Stock - Lead Time Required
$285.53

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" A-LOK compression

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

1/3 psi (0.02 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4A-CO4L-1-KZ-SS
Out of Stock - Lead Time Required
$251.06

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" A-LOK compression

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

1 psi (0.07 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4A-CO4L-5-KZ-SS
Out of Stock - Lead Time Required
$264.55

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" A-LOK compression

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

5 psi (0.4 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4A-CO4L-10-KZ-SS
Out of Stock - Lead Time Required
$273.51

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" A-LOK compression

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

10 psi (0.7 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4A-CO4L-10-KZ-SS-C3
Out of Stock - Lead Time Required
$299.07

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" A-LOK compression

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

10 psi (0.7 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4A-CO4L-25-KZ-SS
Out of Stock - Lead Time Required
$264.55

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

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

Special request, please call for COO

Special request, please call for HTS

4A-CO4L-50-KZ-SS
Out of Stock - Lead Time Required
$264.55

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" A-LOK compression

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

50 psi (3.5 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4A-CO4L-100-KZ-SS
Out of Stock - Lead Time Required
$264.55

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" A-LOK compression

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

100 psi (6.9 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4F-CO4L-1/3-KZ-SS
Out of Stock - Lead Time Required
$240.43

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

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

Special request, please call for COO

Special request, please call for HTS

4F-CO4L-1-KZ-SS
Out of Stock - Lead Time Required
$258.55

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

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

Special request, please call for COO

Special request, please call for HTS

4F-CO4L-5-KZ-SS
Out of Stock - Lead Time Required
$246.43

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

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

Special request, please call for COO

Special request, please call for HTS

4F-CO4L-10-KZ-SS
Out of Stock - Lead Time Required
$246.43

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

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

Special request, please call for COO

Special request, please call for HTS

4F-CO4L-25-KZ-SS
Out of Stock - Lead Time Required
$246.43

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

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

Special request, please call for COO

Special request, please call for HTS

4M-CO4L-1/3-KZ-SS
Out of Stock - Lead Time Required
$236.04

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

1/3 psi (0.02 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4M-CO4L-1-KZ-SS
Out of Stock - Lead Time Required
$270.51

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

1 psi (0.07 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4M-CO4L-5-KZ-SS
Out of Stock - Lead Time Required
$270.51

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

5 psi (0.4 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4M-CO4L-10-KZ-SS
Out of Stock - Lead Time Required
$270.51

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

10 psi (0.7 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

4M-CO4L-25-KZ-SS
Out of Stock - Lead Time Required
$240.43

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

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

Special request, please call for COO

Special request, please call for HTS

4M-CO4L-50-KZ-SS
Out of Stock - Lead Time Required
$236.04

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Material - Seals:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Highly fluorinated fluorocarbon rubber

Highly fluorinated fluorocarbon rubber

50 psi (3.5 bar)

316 Stainless steel

Special request, please call for COO

Special request, please call for HTS

Showing 1 - 20 of 88
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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