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Department: InstrumentationX
Product Type: ValvesX
Product Sub-Type: Check ValvesX
Product: Check Valve - Inline - CX
CV Factor: 2.26X

Trade Name

A-LOK® (38) CPI™ (40)

Connection Type

Double ferrule compression (38) Female NPT (61) Male NPT (55) Single ferrule compression (40)

Inlet port 1

3/8" female NPT (61) 3/8" male NPT (55) 1/2" A-LOK compression (38) 1/2" CPI compression (40)

Outlet port 2

3/8" female NPT (61) 3/8" male NPT (55) 1/2" A-LOK compression (38) 1/2" CPI compression (40)

Material

Brass (78) Stainless Steel (116)

Material - Seats

Ethylene propylene rubber (24) Fluorocarbon rubber (84) Highly fluorinated fluorocarbon rubber (5) Neoprene rubber (9) Nitrile rubber (53) PTFE (19)

Cracking Pressure

1/3 psi (0.02 bar) (35) 1 psi (0.07 bar) (33) 5 psi (0.4 bar) (29) 10 psi (0.7 bar) (29) 25 psi (1.7 bar) (20) 50 psi (3.5 bar) (19) 75 psi (5.2 bar) (13) 100 psi (6.9 bar) (16)

Lubricant

Krytox (1) Perfluorinated polyether (193)

Operating Temperature

-15 F to 200 F (-26 C to 93 C) (5) -15 F to 400 F (-26 C to 204 C) (84) -30 F to 275 F (-34 C to 135 C) (53) -45 F to 250 F (-43 C to 121 C) (9) -65 F to 400 F (-54 C to 204 C) (19) -70 F to 275 F (-57 C to 135 C) (24)

Pressure Rating

3,000 psig (207 bar) CWP (78) 4,000 psig (276 bar) CWP (19) 6,000 psig (414 bar) CWP (97)

Special Cleaning

Cleaning for oxygen service (27)
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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 194  
Part # Availability Price/UOM
++ 6F-C6L-1/3-B Out of Stock - Lead Time Required $114.38
++ 6F-C6L-1/3-B-C3 Out of Stock - Lead Time Required $153.18
++ 6F-C6L-1/3-BN-B Out of Stock - Lead Time Required $114.38
++ 6F-C6L-1/3-BN-SS In Stock $166.72
++ 6F-C6L-1/3-EPR-B Out of Stock - Lead Time Required $129.20
++ 6F-C6L-1/3-NE-B Out of Stock - Lead Time Required $88.48
++ 6F-C6L-1/3-NE-SS Out of Stock - Lead Time Required $178.58
++ 6F-C6L-1/3-SS Out of Stock - Lead Time Required $166.72
++ 6F-C6L-1/3-SS-C3 Out of Stock - Lead Time Required $199.17
++ 6F-C6L-1/3-T-SS Out of Stock - Lead Time Required $211.03
++ 6F-C6L-1-B Out of Stock - Lead Time Required $107.09
++ 6F-C6L-1-B-C3 Out of Stock - Lead Time Required $153.18
++ 6F-C6L-1-BN-B Out of Stock - Lead Time Required $110.64
++ 6F-C6L-1-BN-SS Out of Stock - Lead Time Required $166.72
++ 6F-C6L-1-BN-SS-C3 Out of Stock - Lead Time Required $199.17
6F-C6L-1-EPR-B N/A Call to Order
++ 6F-C6L-1-EPR-SS Out of Stock - Lead Time Required $181.44
++ 6F-C6L-1-NE-SS Out of Stock - Lead Time Required $187.45
++ 6F-C6L-1-SS In Stock $156.43
++ 6F-C6L-1-T-SS Out of Stock - Lead Time Required $211.03
UOM Inlet port 1 Outlet port 2 Material - Seats Cracking pressure Material Country of Origin (COO) Harmonized Tariff (HTS)
EA 3/8" female NPT 3/8" female NPT Fluorocarbon rubber 1/3 psi (0.02 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Fluorocarbon rubber 1/3 psi (0.02 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Nitrile rubber 1/3 psi (0.02 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Nitrile rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Ethylene propylene rubber 1/3 psi (0.02 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Neoprene rubber 1/3 psi (0.02 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Neoprene rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Fluorocarbon rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Fluorocarbon rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT PTFE 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Fluorocarbon rubber 1 psi (0.07 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Fluorocarbon rubber 1 psi (0.07 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Nitrile rubber 1 psi (0.07 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Nitrile rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Nitrile rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Ethylene propylene rubber 1 psi (0.07 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Ethylene propylene rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Neoprene rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT Fluorocarbon rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" female NPT 3/8" female NPT PTFE 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
6F-C6L-1/3-B
Out of Stock - Lead Time Required
$114.38
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Fluorocarbon rubber

1/3 psi (0.02 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1/3-B-C3
Out of Stock - Lead Time Required
$153.18
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Fluorocarbon rubber

1/3 psi (0.02 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1/3-BN-B
Out of Stock - Lead Time Required
$114.38
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Nitrile rubber

1/3 psi (0.02 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1/3-BN-SS
In Stock
$166.72
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Nitrile rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1/3-EPR-B
Out of Stock - Lead Time Required
$129.20
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Ethylene propylene rubber

1/3 psi (0.02 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1/3-NE-B
Out of Stock - Lead Time Required
$88.48
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Neoprene rubber

1/3 psi (0.02 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1/3-NE-SS
Out of Stock - Lead Time Required
$178.58
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Neoprene rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1/3-SS
Out of Stock - Lead Time Required
$166.72
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Fluorocarbon rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1/3-SS-C3
Out of Stock - Lead Time Required
$199.17
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Fluorocarbon rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1/3-T-SS
Out of Stock - Lead Time Required
$211.03
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

PTFE

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-B
Out of Stock - Lead Time Required
$107.09
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Fluorocarbon rubber

1 psi (0.07 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-B-C3
Out of Stock - Lead Time Required
$153.18
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Fluorocarbon rubber

1 psi (0.07 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-BN-B
Out of Stock - Lead Time Required
$110.64
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Nitrile rubber

1 psi (0.07 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-BN-SS
Out of Stock - Lead Time Required
$166.72
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Nitrile rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-BN-SS-C3
Out of Stock - Lead Time Required
$199.17
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Nitrile rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-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

3/8" female NPT

3/8" female NPT

Ethylene propylene rubber

1 psi (0.07 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-EPR-SS
Out of Stock - Lead Time Required
$181.44
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Ethylene propylene rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-NE-SS
Out of Stock - Lead Time Required
$187.45
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Neoprene rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-SS
In Stock
$156.43
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

Fluorocarbon rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6F-C6L-1-T-SS
Out of Stock - Lead Time Required
$211.03
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" female NPT

3/8" female NPT

PTFE

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
Showing 1 - 20 of 194
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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