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 4M-C4L-10-SS
    4M-C4L-10-SS Parker C-Series Check Valve
    4M-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 ends, 10 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4M-C4L-10-B
    4M-C4L-10-B Parker C-Series Check Valve
    4M-C4L-10-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, 10 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4F-CO4L-1-V-SS
    4F-CO4L-1-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4F-CO4L-1-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, 1 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4F-C4L-5-SS
    4F-C4L-5-SS Parker C-Series Check Valve
    4F-C4L-5-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker C-Series Check Valve, 316 SS body, 1/4" FNPT ends, 5 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4F-C4L-25-SS
    4F-C4L-25-SS Parker C-Series Check Valve
    4F-C4L-25-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker C-Series Check Valve, 316 SS body, 1/4" FNPT ends, 25 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4F-C4L-1/3-SS
    4F-C4L-1/3-SS Parker C-Series Check Valve
    4F-C4L-1/3-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker C-Series Check Valve, 316 SS body, 1/4" FNPT ends, 1/3 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker CPI 2Z-C2L-5-SS-C
    2Z-C2L-5-SS-C Parker C-Series Check Valve
    2Z-C2L-5-SS-C

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI C-Series Check Valve, 316 SS body, 1/8" single ferrule tube fitting ends, 5 psig crack pressure, highly fluorinated fluorocarbon seal, polished tube nut
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  • Parker CPI 2Z-C2L-1/3-SS
    2Z-C2L-1/3-SS Parker C-Series Check Valve
    2Z-C2L-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, 316 SS body, 1/8" single ferrule tube fitting ends, 1/3 psig crack pressure, highly fluorinated fluorocarbon seal,
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