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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

691 items

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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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  • Parker 2A-C2L-1-SS-C3
    2A-C2L-1-SS-C3 Parker C Series Check Valve
    2A-C2L-1-SS-C3

    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, 1/8" double ferrule tube fitting ends, 1 psig crack pressure, fluorocarbon rubber seal
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  • Parker 12F-C12L-10-SS
    12F-C12L-10-SS Parker C Series Check Valve
    12F-C12L-10-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker C-Series Check Valve, 316 SS body, 3/4" FNPT ends, 10 psig crack pressure, fluorocarbon rubber seal
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  • Parker CPI C-Series Check Valve
    12Z-C12L-1/3-SS Parker C Series Check Valve
    12Z-C12L-1/3-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI™ C-Series Check Valve, 3/4" CPI Compression, Single Ferrule Compression, 1/3 psi Crack Pressure, Fluorocarbon Rubber Seat, Stainless Steel Body .
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