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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 C-Series Check Valve
    4M-C4L-1-SS-C3 Parker C Series Check Valve
    4M-C4L-1-SS-C3

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker C-Series Check Valve, 1/4" Male NPT, 1 psig Crack Pressure, Fluorocarbon Rubber Seat, 316 Stainless Steel Body.
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  • Parker 4M-C4L-1/3-T-SS
    4M-C4L-1/3-T-SS Parker C Series Check Valve
    4M-C4L-1/3-T-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, 1/3 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4F-CO4L-5-KZ-SS
    4F-CO4L-5-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    4F-CO4L-5-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" FNPT ends, 5 psig crack pressure, Kalrez seal
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  • Parker 4F-CO4L-50-V-SS
    4F-CO4L-50-V-SS Parker CO Series O-Ring Poppet Check Valve
    4F-CO4L-50-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" FNPT ends, 50 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4F-CO4L-25-V-SS
    4F-CO4L-25-V-SS Parker CO Series O-Ring Poppet Check Valve
    4F-CO4L-25-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

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

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" FNPT ends, 25 psig crack pressure, Kalrez seal
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  • Parker 4F-CO4L-1-KZ-SS
    4F-CO4L-1-KZ-SS Parker CO-Series O-Ring Poppet Check Valve
    4F-CO4L-1-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" FNPT ends, 1 psig crack pressure, Kalrez seal,
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  • Parker 4F-CO4L-10-KZ-SS
    4F-CO4L-10-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    4F-CO4L-10-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" FNPT ends, 10 psig crack pressure, Kalrez seal
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