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Department: InstrumentationX
Product Type: ValvesX
Product Sub-Type: Check ValvesX
Product: Check Valve - Inline - CX
Inlet port 1: 1/4" male NPTX
Cracking Pressure: 25 psi (1.7 bar)X

Trade Name

A-LOK® (7) CPI™ (8)

Connection Type

Male NPT (10) Male NPT / Double ferrule compression (7) Male NPT / Female NPT (5) Male NPT / Single ferrule compression (8)

Outlet port 2

1/4" A-LOK compression (5) 1/4" CPI compression (4) 1/4" female NPT (5) 1/4" male NPT (10) 3/8" A-LOK compression (2) 3/8" CPI compression (4)

Material

Brass (12) Stainless Steel (18)

Material - Seats

Ethylene propylene rubber (2) Fluorocarbon rubber (12) Highly fluorinated fluorocarbon rubber (2) Nitrile rubber (11) PTFE (3)

Operating Temperature

-15 F to 200 F (-26 C to 93 C) (2) -15 F to 400 F (-26 C to 204 C) (12) -30 F to 275 F (-34 C to 135 C) (11) -65 F to 400 F (-54 C to 204 C) (3) -70 F to 275 F (-57 C to 135 C) (2)

Pressure Rating

3,000 psig (207 bar) CWP (12) 4,000 psig (276 bar) CWP (3) 6,000 psig (414 bar) CWP (15)

Special Cleaning

Cleaning for oxygen service (3)
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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 30  
Part # Availability Price/UOM
++ 4M-C4L-25-B Out of Stock - Lead Time Required $51.70
++ 4M-C4L-25-B-C3 Out of Stock - Lead Time Required $97.83
++ 4M-C4L-25-BN-B Out of Stock - Lead Time Required $51.70
++ 4M-C4L-25-BN-SS Out of Stock - Lead Time Required $85.67
++ 4M-C4L-25-EPR-SS Out of Stock - Lead Time Required $101.87
++ 4M-C4L-25-KZ-SS Out of Stock - Lead Time Required $116.59
++ 4M-C4L-25-SS Out of Stock - Lead Time Required $85.67
++ 4M-C4L-25-SS-C3 Out of Stock - Lead Time Required $119.60
++ 4M-C4L-25-T-SS Out of Stock - Lead Time Required $131.37
++ 4M-C4L-25-T-SS-C3 Out of Stock - Lead Time Required $162.19
++ 4M4A-C4L-25-BN-B Out of Stock - Lead Time Required $51.70
++ 4M4A-C4L-25-BN-SS Out of Stock - Lead Time Required $81.78
4M4A-C4L-25-EPR-B N/A Call to Order
++ 4M4A-C4L-25-KZ-SS Out of Stock - Lead Time Required $111.82
++ 4M4A-C4L-25-SS Out of Stock - Lead Time Required $81.78
++ 4M4F-C4L-25-B Out of Stock - Lead Time Required $84.93
++ 4M4F-C4L-25-BN-B Out of Stock - Lead Time Required $84.93
++ 4M4F-C4L-25-BN-SS Out of Stock - Lead Time Required $107.83
++ 4M4F-C4L-25-SS Out of Stock - Lead Time Required $107.83
++ 4M4F-C4L-25-T-SS Out of Stock - Lead Time Required $153.37
UOM Inlet port 1 Outlet port 2 Material - Seats Cracking pressure Material Country of Origin (COO) Harmonized Tariff (HTS)
EA 1/4" male NPT 1/4" male NPT Fluorocarbon rubber 25 psi (1.7 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Fluorocarbon rubber 25 psi (1.7 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Nitrile rubber 25 psi (1.7 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Nitrile rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Ethylene propylene rubber 25 psi (1.7 bar) 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 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Fluorocarbon rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT Fluorocarbon rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT PTFE 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" male NPT PTFE 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" A-LOK compression Nitrile rubber 25 psi (1.7 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" A-LOK compression Nitrile rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" A-LOK compression Ethylene propylene rubber 25 psi (1.7 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" A-LOK compression Highly fluorinated fluorocarbon rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" A-LOK compression Fluorocarbon rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" female NPT Fluorocarbon rubber 25 psi (1.7 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" female NPT Nitrile rubber 25 psi (1.7 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" female NPT Nitrile rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" female NPT Fluorocarbon rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/4" male NPT 1/4" female NPT PTFE 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
4M-C4L-25-B
Out of Stock - Lead Time Required
$51.70
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Fluorocarbon rubber

25 psi (1.7 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
4M-C4L-25-B-C3
Out of Stock - Lead Time Required
$97.83
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Fluorocarbon rubber

25 psi (1.7 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
4M-C4L-25-BN-B
Out of Stock - Lead Time Required
$51.70
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Nitrile rubber

25 psi (1.7 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
4M-C4L-25-BN-SS
Out of Stock - Lead Time Required
$85.67
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Nitrile rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M-C4L-25-EPR-SS
Out of Stock - Lead Time Required
$101.87
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Ethylene propylene rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M-C4L-25-KZ-SS
Out of Stock - Lead Time Required
$116.59
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Highly fluorinated fluorocarbon rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M-C4L-25-SS
Out of Stock - Lead Time Required
$85.67
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Fluorocarbon rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M-C4L-25-SS-C3
Out of Stock - Lead Time Required
$119.60
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

Fluorocarbon rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M-C4L-25-T-SS
Out of Stock - Lead Time Required
$131.37
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

PTFE

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M-C4L-25-T-SS-C3
Out of Stock - Lead Time Required
$162.19
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" male NPT

PTFE

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M4A-C4L-25-BN-B
Out of Stock - Lead Time Required
$51.70
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" A-LOK compression

Nitrile rubber

25 psi (1.7 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
4M4A-C4L-25-BN-SS
Out of Stock - Lead Time Required
$81.78
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" A-LOK compression

Nitrile rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M4A-C4L-25-EPR-B
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

1/4" male NPT

1/4" A-LOK compression

Ethylene propylene rubber

25 psi (1.7 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
4M4A-C4L-25-KZ-SS
Out of Stock - Lead Time Required
$111.82
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" A-LOK compression

Highly fluorinated fluorocarbon rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M4A-C4L-25-SS
Out of Stock - Lead Time Required
$81.78
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" A-LOK compression

Fluorocarbon rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M4F-C4L-25-B
Out of Stock - Lead Time Required
$84.93
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" female NPT

Fluorocarbon rubber

25 psi (1.7 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
4M4F-C4L-25-BN-B
Out of Stock - Lead Time Required
$84.93
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" female NPT

Nitrile rubber

25 psi (1.7 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
4M4F-C4L-25-BN-SS
Out of Stock - Lead Time Required
$107.83
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" female NPT

Nitrile rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M4F-C4L-25-SS
Out of Stock - Lead Time Required
$107.83
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" female NPT

Fluorocarbon rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
4M4F-C4L-25-T-SS
Out of Stock - Lead Time Required
$153.37
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/4" male NPT

1/4" female NPT

PTFE

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
Showing 1 - 20 of 30
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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