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

66 items

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  • Parker 4M4Z-C4L-5-SS
    4M4Z-C4L-5-SS Parker C-Series Check Valve
    4M4Z-C4L-5-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" single ferrule tube fitting outlet, 5 psig crack pressure, highly fluorinated fluorocarbon seal
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  • Parker 4M4F-CO4L-1/3-V-SS
    4M4F-CO4L-1/3-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4M4F-CO4L-1/3-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: FNPT

    Parker CO-Series O-Ring Poppet 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 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 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-10-V-SS
    4M-CO4L-10-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4M-CO4L-10-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, 10 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4M-C4L-25-SS
    4M-C4L-25-SS Parker C-Series Check Valve
    4M-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 ends, 25 psig crack pressure, highly fluorinated fluorocarbon seal,
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