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Department: InstrumentationX
Product Type: ValvesX
Product Sub-Type: Check ValvesX
Product: Check Valve - Inline - CX
Pressure Rating: 6,000 psig (414 bar) CWPX
Material - Seats: Nitrile rubberX

Trade Name

A-LOK® (112) CPI™ (72) Seal-Lok® (13)

Series

C2 (24) C4 (130) C6 (67) C8 (53) C12 (31)

Inch/Metric

Inch (270) Metric (35)

Connection Type

Double ferrule compression (93) Double ferrule compression / Male NPT (5) Female NPT (46) Female NPT / Male NPT (5) Male NPT (43) Male NPT / Double ferrule compression (14) Male NPT / Female NPT (7) Male NPT / Single ferrule compression (13) Seal-Lok face seal (13) Single ferrule compression (56) Single ferrule compression / Male NPT (3) VacuSeal face seal (7)

Inlet port 1

1/8" A-LOK compression (7) 1/8" CPI compression (5) 1/8" female NPT (8) 1/8" male NPT (12) 1/4" A-LOK compression (16) 1/4" CPI compression (18) 1/4" female NPT (15) 1/4" male NPT (36) 1/4" Seal-Lok face seal (1) 1/4" Seal-Lok face seal with o-ring (3) 1/4" VacuSeal face seal (7) 3/8" A-LOK compression (17) 3/8" CPI compression (17) 3/8" female NPT (8) 3/8" male NPT (12) 3/8" Seal-Lok face seal with o-ring (4) 1/2" A-LOK compression (15) 1/2" CPI compression (13) 1/2" female NPT (11) 1/2" male NPT (11) 1/2" Seal-Lok face seal with o-ring (3) 3/4" A-LOK compression (9) 3/4" CPI compression (5) 3/4" female NPT (9) 3/4" male NPT (6) 3/4" Seal-Lok face seal with o-ring (2) 6mm A-LOK compression (12) 6mm CPI compression (1) 8mm A-LOK compression (4) 10mm A-LOK compression (9) 12mm A-LOK compression (9)

Outlet port 2

1/8" A-LOK compression (7) 1/8" CPI compression (5) 1/8" female NPT (8) 1/8" male NPT (12) 1/4" A-LOK compression (18) 1/4" CPI compression (21) 1/4" female NPT (17) 1/4" male NPT (21) 1/4" Seal-Lok face seal (1) 1/4" Seal-Lok face seal with o-ring (3) 1/4" VacuSeal face seal (7) 3/8" A-LOK compression (24) 3/8" CPI compression (24) 3/8" female NPT (8) 3/8" male NPT (6) 3/8" Seal-Lok face seal with o-ring (4) 1/2" A-LOK compression (15) 1/2" CPI compression (13) 1/2" female NPT (11) 1/2" male NPT (11) 1/2" Seal-Lok face seal with o-ring (3) 3/4" A-LOK compression (9) 3/4" CPI compression (5) 3/4" female NPT (9) 3/4" male NPT (6) 3/4" Seal-Lok face seal with o-ring (2) 6mm A-LOK compression (12) 6mm CPI compression (1) 8mm A-LOK compression (4) 10mm A-LOK compression (9) 12mm A-LOK compression (9)

CV Factor

0.22 (12) 0.31 (12) 0.66 (4) 0.75 (126) 2.02 (4) 2.05 (4) 2.09 (27) 2.16 (9) 2.26 (23) 2.93 (9) 2.96 (3) 3.3 (19) 3.53 (22) 6.01 (31)

Cracking Pressure

1/3 psi (0.02 bar) (51) 1 psi (0.07 bar) (50) 5 psi (0.4 bar) (51) 10 psi (0.7 bar) (44) 25 psi (1.7 bar) (37) 50 psi (3.5 bar) (31) 75 psi (5.2 bar) (14) 100 psi (6.9 bar) (27)

Orifice size

0.093 Inch (2.4mm) (12) 0.125 Inch (3.2mm) (12) 0.172 Inch (4.4mm) (4) 0.187 Inch (4.7mm) (126) 0.250 Inch (6.4mm) (4) 0.264 Inch (6.7mm) (4) 0.281 Inch (7.1mm) (27) 0.312 Inch (7.9mm) (9) 0.359 Inch (9.1mm) (23) 0.375 Inch (9.5mm) (9) 0.378 Inch (9.6mm) (3) 0.423 Inch (10.7mm) (19) 0.453 Inch (11.5mm) (22) 0.594 Inch (15.1mm) (31)

Special Cleaning

Cleaning for oxygen service (37)
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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 305  
Part # Availability Price/UOM
++ 2A-C2L-1/3-BN-SS Out of Stock - Lead Time Required $95.96
++ 2A-C2L-1-BN-SS Out of Stock - Lead Time Required $103.35
++ 2A-C2L-5-BN-SS Out of Stock - Lead Time Required $95.96
++ 2A-C2L-10-BN-SS Out of Stock - Lead Time Required $95.96
++ 2A-C2L-25-BN-SS Out of Stock - Lead Time Required $95.96
++ 2A-C2L-75-BN-SS Out of Stock - Lead Time Required $87.37
++ 2A-C2L-100-BN-SS Out of Stock - Lead Time Required $95.96
++ 2F-C2L-1/3-BN-SS Out of Stock - Lead Time Required $97.29
++ 2F-C2L-1-BN-SS Out of Stock - Lead Time Required $97.29
++ 2F-C2L-5-BN-SS Out of Stock - Lead Time Required $97.29
++ 2F-C2L-10-BN-SS Out of Stock - Lead Time Required $97.29
++ 2F-C2L-50-BN-SS Out of Stock - Lead Time Required $97.29
++ 2F-C2L-100-BN-SS Out of Stock - Lead Time Required $97.29
++ 2M-C2L-1/3-BN-SS Out of Stock - Lead Time Required $90.35
++ 2M-C2L-1-BN-SS Out of Stock - Lead Time Required $90.35
++ 2M-C2L-5-BN-SS Out of Stock - Lead Time Required $90.35
++ 2M-C2L-10-BN-SS Out of Stock - Lead Time Required $90.35
++ 2M-C2L-25-BN-SS Out of Stock - Lead Time Required $90.35
++ 2M-C2L-100-BN-SS Out of Stock - Lead Time Required $90.35
++ 2Z-C2L-1/3-BN-SS Out of Stock - Lead Time Required $95.96
UOM Inlet port 1 Outlet port 2 Material - Seats Cracking pressure Material Country of Origin (COO) Harmonized Tariff (HTS)
EA 1/8" A-LOK compression 1/8" A-LOK compression Nitrile rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" A-LOK compression 1/8" A-LOK compression Nitrile rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" A-LOK compression 1/8" A-LOK compression Nitrile rubber 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" A-LOK compression 1/8" A-LOK compression Nitrile rubber 10 psi (0.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" A-LOK compression 1/8" 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 1/8" A-LOK compression 1/8" A-LOK compression Nitrile rubber 75 psi (5.2 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" A-LOK compression 1/8" A-LOK compression Nitrile rubber 100 psi (6.9 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" 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 1/8" female NPT 1/8" female NPT Nitrile rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 10 psi (0.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 50 psi (3.5 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" female NPT 1/8" female NPT Nitrile rubber 100 psi (6.9 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 1 psi (0.07 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 5 psi (0.4 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 10 psi (0.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 25 psi (1.7 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" male NPT 1/8" male NPT Nitrile rubber 100 psi (6.9 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
EA 1/8" CPI compression 1/8" CPI compression Nitrile rubber 1/3 psi (0.02 bar) Stainless Steel Special request, please call for COO Special request, please call for HTS
2A-C2L-1/3-BN-SS
Out of Stock - Lead Time Required
$95.96
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" A-LOK compression

1/8" A-LOK compression

Nitrile rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2A-C2L-1-BN-SS
Out of Stock - Lead Time Required
$103.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" A-LOK compression

1/8" A-LOK compression

Nitrile rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2A-C2L-5-BN-SS
Out of Stock - Lead Time Required
$95.96
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" A-LOK compression

1/8" A-LOK compression

Nitrile rubber

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2A-C2L-10-BN-SS
Out of Stock - Lead Time Required
$95.96
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" A-LOK compression

1/8" A-LOK compression

Nitrile rubber

10 psi (0.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2A-C2L-25-BN-SS
Out of Stock - Lead Time Required
$95.96
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" A-LOK compression

1/8" A-LOK compression

Nitrile rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2A-C2L-75-BN-SS
Out of Stock - Lead Time Required
$87.37
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" A-LOK compression

1/8" A-LOK compression

Nitrile rubber

75 psi (5.2 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2A-C2L-100-BN-SS
Out of Stock - Lead Time Required
$95.96
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" A-LOK compression

1/8" A-LOK compression

Nitrile rubber

100 psi (6.9 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-1/3-BN-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Nitrile rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-1-BN-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Nitrile rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-5-BN-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Nitrile rubber

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-10-BN-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Nitrile rubber

10 psi (0.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-50-BN-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Nitrile rubber

50 psi (3.5 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2F-C2L-100-BN-SS
Out of Stock - Lead Time Required
$97.29
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" female NPT

1/8" female NPT

Nitrile rubber

100 psi (6.9 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-1/3-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-1-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

1 psi (0.07 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-5-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

5 psi (0.4 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-10-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

10 psi (0.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-25-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

25 psi (1.7 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2M-C2L-100-BN-SS
Out of Stock - Lead Time Required
$90.35
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" male NPT

1/8" male NPT

Nitrile rubber

100 psi (6.9 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
2Z-C2L-1/3-BN-SS
Out of Stock - Lead Time Required
$95.96
View

UOM:

Inlet port 1:

Outlet port 2:

Material - Seats:

Cracking pressure:

Material:

Country of Origin (COO):

Harmonized Tariff (HTS):

EA

1/8" CPI compression

1/8" CPI compression

Nitrile rubber

1/3 psi (0.02 bar)

Stainless Steel

Special request, please call for COO

Special request, please call for HTS
Showing 1 - 20 of 305
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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