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Department: InstrumentationX
Product Type: ValvesX
Product Sub-Type: Check ValvesX
Product: Check Valve - Inline - CX
Inlet port 1: 3/8" CPI compressionX
Outlet port 2: 3/8" CPI compressionX

Series

C4 (39) C6 (68)

CV Factor

0.75 (39) 2.09 (68)

Material

Brass (32) Stainless Steel (75)

Material - Seats

Ethylene propylene rubber (10) Fluorocarbon rubber (45) Highly fluorinated fluorocarbon rubber (4) Neoprene rubber (3) Nitrile rubber (34) PTFE (11)

Cracking Pressure

1/3 psi (0.02 bar) (18) 1 psi (0.07 bar) (19) 5 psi (0.4 bar) (17) 10 psi (0.7 bar) (15) 25 psi (1.7 bar) (14) 50 psi (3.5 bar) (8) 75 psi (5.2 bar) (8) 100 psi (6.9 bar) (8)

Lubricant

Krytox (1) Perfluorinated polyether (106)

Operating Temperature

-15 F to 200 F (-26 C to 93 C) (4) -15 F to 400 F (-26 C to 204 C) (45) -30 F to 275 F (-34 C to 135 C) (34) -45 F to 250 F (-43 C to 121 C) (3) -65 F to 400 F (-54 C to 204 C) (11) -70 F to 275 F (-57 C to 135 C) (10)

Orifice size

0.187 Inch (4.7mm) (39) 0.281 Inch (7.1mm) (68)

Pressure Rating

3,000 psig (207 bar) CWP (32) 4,000 psig (276 bar) CWP (11) 6,000 psig (414 bar) CWP (64)

Special Cleaning

Cleaning for oxygen service (8)
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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 107  
Part # Availability Price/UOM
++ 6Z-C4L-1/3-B Out of Stock - Lead Time Required $108.77
++ 6Z-C4L-1/3-BN-B Out of Stock - Lead Time Required $110.64
++ 6Z-C4L-1/3-BN-SS Out of Stock - Lead Time Required $116.59
++ 6Z-C4L-1/3-SS Out of Stock - Lead Time Required $116.59
++ 6Z-C4L-1/3-SS-C Out of Stock - Lead Time Required $116.59
++ 6Z-C4L-1/3-T-SS Out of Stock - Lead Time Required $171.15
++ 6Z-C4L-1-B Out of Stock - Lead Time Required $108.42
++ 6Z-C4L-1-BN-B Out of Stock - Lead Time Required $108.42
++ 6Z-C4L-1-BN-SS Out of Stock - Lead Time Required $116.59
++ 6Z-C4L-1-EPR-SS Out of Stock - Lead Time Required $128.41
++ 6Z-C4L-1-SS Out of Stock - Lead Time Required $116.59
++ 6Z-C4L-1-SS-C Out of Stock - Lead Time Required $116.59
++ 6Z-C4L-1-T-SS Out of Stock - Lead Time Required $171.15
++ 6Z-C4L-5-B Out of Stock - Lead Time Required $108.96
++ 6Z-C4L-5-BN-B Out of Stock - Lead Time Required $108.77
++ 6Z-C4L-5-BN-SS Out of Stock - Lead Time Required $112.06
++ 6Z-C4L-5-SS Out of Stock - Lead Time Required $116.59
++ 6Z-C4L-5-SS-C Out of Stock - Lead Time Required $112.06
++ 6Z-C4L-5-T-SS Out of Stock - Lead Time Required $162.19
++ 6Z-C4L-10-B Out of Stock - Lead Time Required $108.96
UOM Inlet port 1 Outlet port 2 Material - Seats Cracking pressure Material Country of Origin (COO) Harmonized Tariff (HTS)
EA 3/8" CPI compression 3/8" CPI compression Fluorocarbon rubber 1/3 psi (0.02 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Nitrile rubber 1/3 psi (0.02 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression 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" CPI compression 3/8" CPI compression 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" CPI compression 3/8" CPI compression 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" CPI compression 3/8" CPI compression PTFE 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Fluorocarbon rubber 1 psi (0.07 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Nitrile rubber 1 psi (0.07 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Nitrile rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression 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" CPI compression 3/8" CPI compression Fluorocarbon rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Fluorocarbon rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression PTFE 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Fluorocarbon rubber 5 psi (0.4 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Nitrile rubber 5 psi (0.4 bar) Brass Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Nitrile rubber 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Fluorocarbon rubber 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Fluorocarbon rubber 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression PTFE 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 3/8" CPI compression 3/8" CPI compression Fluorocarbon rubber 10 psi (0.7 bar) Brass Special request, please call for COO Special request, please call for HTS
6Z-C4L-1/3-B
Out of Stock - Lead Time Required
$108.77
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

1/3 psi (0.02 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1/3-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" CPI compression

3/8" CPI compression

Nitrile rubber

1/3 psi (0.02 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1/3-BN-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

3/8" CPI compression

3/8" CPI compression

Nitrile rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1/3-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

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1/3-SS-C
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

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1/3-T-SS
Out of Stock - Lead Time Required
$171.15
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

PTFE

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1-B
Out of Stock - Lead Time Required
$108.42
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

1 psi (0.07 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1-BN-B
Out of Stock - Lead Time Required
$108.42
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

Nitrile rubber

1 psi (0.07 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1-BN-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

3/8" CPI compression

3/8" CPI compression

Nitrile rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1-EPR-SS
Out of Stock - Lead Time Required
$128.41
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

Ethylene propylene rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1-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

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1-SS-C
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

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-1-T-SS
Out of Stock - Lead Time Required
$171.15
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

PTFE

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-5-B
Out of Stock - Lead Time Required
$108.96
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

5 psi (0.4 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-5-BN-B
Out of Stock - Lead Time Required
$108.77
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

Nitrile rubber

5 psi (0.4 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-5-BN-SS
Out of Stock - Lead Time Required
$112.06
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

Nitrile rubber

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-5-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

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-5-SS-C
Out of Stock - Lead Time Required
$112.06
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-5-T-SS
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

3/8" CPI compression

3/8" CPI compression

PTFE

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
6Z-C4L-10-B
Out of Stock - Lead Time Required
$108.96
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

3/8" CPI compression

3/8" CPI compression

Fluorocarbon rubber

10 psi (0.7 bar)

Brass

Special request, please call for COO

Special request, please call for HTS
Showing 1 - 20 of 107
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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