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Check Valves

Valin supplies a wide selection of dependable, high-quality check valves, in a variety of materials, end connections and seals engineered for a diverse range of applications requiring backflow prevention, elimination and protection.

Check Valves

712 items

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  • Parker 2M-C4L-10-B
    2M-C4L-10-B Parker C Series Check Valve
    2M-C4L-10-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker C-Series Check Valve, brass body, 1/8" MNPT ends, 10 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4V-CO4L-100-V-SS
    4V-CO4L-100-V-SS Parker CO Series O-Ring Poppet Check Valve
    4V-CO4L-100-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 100 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4M4F-C4L-25-SS
    4M4F-C4L-25-SS Parker C Series Check Valve
    4M4F-C4L-25-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker C-Series Check Valve, 316 SS body, 1/4" MNPT (inlet) x 1/4" FNPT (outlet), 25 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4A-C4L-1/3-BN-SS
    4A-C4L-1/3-BN-SS Parker C Series Check Valve
    4A-C4L-1/3-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker C-Series Check Valve, 316 SS body, 1/4" double ferrule tube fitting ends, 1/3 psig crack pressure, fluorocarbon rubber seal
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  • Parker 8A-C8L-1-B
    8A-C8L-1-B Parker C Series Check Valve
    8A-C8L-1-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker C-Series Check Valve, brass body, 1/2" double ferrule tube fitting ends, 1 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4V-CO4L-1-V-SS
    4V-CO4L-1-V-SS Parker CO Series O-Ring Poppet Check Valve
    4V-CO4L-1-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 1 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4A-C4L-1/3-KZ-SS
    4A-C4L-1/3-KZ-SS Parker C Series Check Valve
    4A-C4L-1/3-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker C-Series Check Valve, 316 SS body, 1/4" double ferrule tube fitting ends, 1/3 psig crack pressure, fluorocarbon rubber seal
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  • Parker 6A-C4L-1/3-SS
    6A-C4L-1/3-SS Parker C Series Check Valve
    6A-C4L-1/3-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker C-Series Check Valve, 316 SS body, 3/8" double ferrule tube fitting ends, 1/3 psig crack pressure, fluorocarbon rubber seal
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