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

1733 items

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  • Parker 4M4F-C4L-1-SS
    4M4F-C4L-1-SS Parker C-Series Check Valve
    4M4F-C4L-1-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, 1 psig crack pressure, highly fluorinated fluorocarbon seal
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  • Parker 4M4F-C4L-10-SS
    4M4F-C4L-10-SS Parker C-Series Check Valve
    4M4F-C4L-10-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, 10 psig crack pressure, highly fluorinated fluorocarbon seal
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  • Parker CPI 4M4F-C4L-1/3-SS
    4M4F-C4L-1/3-SS Parker C-Series Check Valve
    4M4F-C4L-1/3-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: FNPT

    Parker CPI C-Series Check Valve, 316 SS body, 1/4 MNPT inlet x 1/4" FNPT outlet, 1/3 psig crack pressure, highly fluorinated fluorocarbon seal
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  • Parker C4 Series Check Valve
    4M4A-C4L-1-SS Parker Check Valve
    4M4A-C4L-1-SS

    Parker Hannifin

    Product Type: Check Valves

    Parker C4 Series Check Valve, 1/4" x 1/4", MPT x A-LOK Double Ferrule Compression, 6000 PSIG CWP, 1 PSI Cracking, Stainless Steel Body, Nitrile Seat, In-Line, Check Valve.
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  • Parker 4M-CO4L-5-EPR-SS
    4M-CO4L-5-EPR-SS Parker CO Series O-Ring Poppet Check Valve
    4M-CO4L-5-EPR-SS

    Parker Hannifin

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" MNPT ends, 5 psig crack pressure, EPR seal
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  • Parker 4M-CO4L-25-V-SS
    4M-CO4L-25-V-SS Parker CO Series O-Ring Poppet Check Valve
    4M-CO4L-25-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" MNPT ends, 25 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4M-CO4L-1-V-SS
    4M-CO4L-1-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4M-CO4L-1-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" MNPT ends, 1 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4M-CO4L-1-KZ-SS
    4M-CO4L-1-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    4M-CO4L-1-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" MNPT ends, 1 psig crack pressure, Kalrez seal
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