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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

66 items

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  • Parker 4M-C4L-5-SS
    4M-C4L-5-SS Parker C-Series Check Valve
    4M-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 ends, 5 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4M-C4L-1/3-B
    4M-C4L-1/3-B Parker C-Series Check Valve
    4M-C4L-1/3-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, 1/3 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker A-LOK CO Series Check Valve
    8A-CO8L-1/3-KZ-SS Parker CO Series Check Valve
    8A-CO8L-1/3-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker A-LOK CO-Series Check Valve, 1/2" A-LOK® Compression, 1/3 psig Crack Pressure, Highly Fluorinated Fluorocarbon Rubber Seat, 316 Stainless Steel Body.
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  • Parker A-LOK CO Series Check Valve
    8A-CO8L-10-V-SS Parker CO Series Check Valve
    8A-CO8L-10-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker A-LOK CO-Series Check Valve, 1/2" A-LOK® Compression, 10 psig Crack Pressure, Highly Fluorinated Fluorocarbon Rubber Seat, 316 Stainless Steel Body.
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  • Parker CPI 6Z-C6L-5-SS
    6Z-C6L-5-SS Parker C-Series Check Valve
    6Z-C6L-5-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, 3/8" single ferrule tube fitting ends, 5 psig crack pressure, highly fluorinated fluorocarbon seal
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  • Parker CPI 6Z-C6L-1-SS-C
    6Z-C6L-1-SS-C Parker C-Series Check Valve
    6Z-C6L-1-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, 3/8" single ferrule tube fitting ends, 1 psig crack pressure, highly fluorinated fluorocarbon seal, polished tube nut
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  • Parker CPI 6Z-C6L-10-SS
    6Z-C6L-10-SS Parker C-Series Check Valve
    6Z-C6L-10-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, 3/8" single ferrule tube fitting ends, 10 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker CPI 6Z-C4L-1-SS
    6Z-C4L-1-SS Parker C-Series Check Valve
    6Z-C4L-1-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, 3/8" single ferrule tube fitting ends, 1 psig crack pressure, highly fluorinated fluorocarbon seal,
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