Parker Hannifin CO Series Check Valves

Parker's CO Series Check Valves are designed for high integrity, leak proof systems with uni-directional flow control of critical fluids and gases up to 6,000 PSI (414 BAR). These inline check valves are suitable for instrumentation applications requiring high integrity leak rates and re-sealing capabilities.

CO Series

197 items

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  • Parker CPI CO Series Check Valve
    8Z-CO8L-5-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI™ CO-Series Check Valve, 1/2" CPI Compression, 5 psig Crack Pressure, Fluorocarbon Rubber Seat, 316 Stainless Steel Body.
    Qty in Cart: 0
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  • Parker 4F-CO4L-1/3-V-SS
    4F-CO4L-1/3-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" FNPT ends, 1/3 psig crack pressure, highly fluorinated fluorocarbon seal,
    Qty in Cart: 0
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  • Parker 4A-CO4L-10-V-SS
    4A-CO4L-10-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" double ferrule tube fitting ends, 10 psig crack pressure, fluorocarbon rubber seal
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  • Parker Co Series Check Valve
    M8A-CO4L-1-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    Parker CO Series Check Valve, 8 MM x 8 MM, A-LOK Double Ferrule Compression x A-LOK Double Ferrule Compression, 6000 PSIG CWP, 1 PSI Cracking, Stainless Steel Body, Fluorocarbon Rubber Seat, Highly Fluorinated Fluorocarbon Rubber Seal, In-Line, Poppet,...
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  • Parker Co Series Check Valve
    4V-CO4L-1-V-SS-C3

    Parker Hannifin

    Product Type: Check Valves

    Parker CO Series Check Valve, 1/4" x 1/4", VacuSeal x VacuSeal, 6000 PSIG CWP, 1 PSI Cracking, Stainless Steel Body, Fluorocarbon Rubber Seat/Seal, In-Line, Poppet, Check Valve for Oxygen Service.
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  • Parker Co Series Check Valve
    8V-CO8L-1/3-V-SS

    Parker Hannifin

    Product Type: Check Valves

    Parker CO Series Check Valve, 1/2" x 1/2", VacuSeal x VacuSeal, 6000 PSIG CWP, 1/3 PSI Cracking, Stainless Steel Body, Fluorocarbon Rubber Seat/Seal, In-Line, Poppet, Check Valve.
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  • Parker Co Series Check Valve
    M6A-CO4L-1-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    Parker CO Series Check Valve, 6 MM x 6 MM, A-LOK Double Ferrule Compression x A-LOK Double Ferrule Compression, 6000 PSIG CWP, 1 PSI Cracking, Stainless Steel Body, Nitrile Rubber Seat/Seal, In-Line, Poppet, Check Valve.
    Qty in Cart: 0
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  • Parker Co Series Check Valve
    8V-CO8L-1/3-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    Parker CO Series Check Valve, 1/2" x 1/2", VacuSeal x VacuSeal, 6000 PSIG CWP, 1/3 PSI Cracking, Stainless Steel Body, Highly Fluorinated Fluorocarbon Rubber Seat/Seal, In-Line, Poppet, Check Valve.
    Qty in Cart: 0
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