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.

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CO Series

197 items

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  • Parker 6F-CO6L-100-BN-SS
    6F-CO6L-100-BN-SS Parker CO Series O-Ring Poppet Check Valve
    6F-CO6L-100-BN-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, 3/8" FNPT ends, 100 psig crack pressure, Buna-N rubber seal
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  • Parker 6F-CO6L-1-V-SS
    6F-CO6L-1-V-SS Parker CO-Series O-Ring Poppet Check Valve
    6F-CO6L-1-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, 3/8" FNPT ends, 1 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 6F-CO6L-1-KZ-SS
    6F-CO6L-1-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    6F-CO6L-1-KZ-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, 3/8" FNPT ends, 1 psig crack pressure, Kalrez seal
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  • Parker 6F-CO6L-1-BN-SS
    6F-CO6L-1-BN-SS Parker CO Series O-Ring Poppet Check Valve
    6F-CO6L-1-BN-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, 3/8" FNPT ends, 1 psig crack pressure, Buna-N rubber seal
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  • Parker 6F-CO6L-10-KZ-SS
    6F-CO6L-10-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    6F-CO6L-10-KZ-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, 3/8" FNPT ends, 10 psig crack pressure, Kalrez seal
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  • Parker 6F-CO6L-1/3-V-SS
    6F-CO6L-1/3-V-SS Parker CO-Series O-Ring Poppet Check Valve
    6F-CO6L-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, 3/8" FNPT ends, 1/3 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 6F-CO6L-1/3-BN-SS
    6F-CO6L-1/3-BN-SS Parker CO Series O-Ring Poppet Check Valve
    6F-CO6L-1/3-BN-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, 3/8" FNPT ends, 1/3 psig crack pressure, Buna-N rubber seal
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  • Parker 6A-CO6L-5-V-SS
    6A-CO6L-5-V-SS Parker CO Series O-Ring Poppet Check Valve
    6A-CO6L-5-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, 3/8" double ferrule tube fitting ends, 5 psig crack pressure, fluorocarbon rubber seal
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