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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

504 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 4V-C4L-1-NE-SS
    4V-C4L-1-NE-SS Parker C Series Check Valve
    4V-C4L-1-NE-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker C-Series Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 1 psig crack pressure, Neoprene 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 4M-C4L-1-B
    4M-C4L-1-B Parker C Series Check Valve
    4M-C4L-1-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker C-Series Check Valve, brass body, 1/4" MNPT ends, 1 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4A-C4L-10-B
    4A-C4L-10-B Parker C Series Check Valve
    4A-C4L-10-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, 1/4" double ferrule tube fitting ends, 10 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4Z-C4L-50-BN-SS
    4Z-C4L-50-BN-SS Parker C Series Check Valve
    4Z-C4L-50-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker C-Series Check Valve, 316 SS body, 1/4" single ferrule tube fitting ends, 50 psig crack pressure, Buna-N rubber seal
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  • Parker 4A-C4L-1-T-SS
    4A-C4L-1-T-SS Parker C Series Check Valve
    4A-C4L-1-T-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 psig crack pressure, PTFE seal
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