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 CPI 4Z-C4L-1-BN-B
    4Z-C4L-1-BN-B Parker C-Series Check Valve
    4Z-C4L-1-BN-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI C-Series Check Valve, brass body, 1/4" single ferrule tube fitting ends, 1 psig crack pressure, Buna-N seal,
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  • Parker CPI 4Z-C4L-10-SS
    4Z-C4L-10-SS Parker C-Series Check Valve
    4Z-C4L-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, 1/4" single ferrule tube fitting ends, 10 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4Z-C4L-10-B
    4Z-C4L-10-B Parker C-Series Check Valve
    4Z-C4L-10-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker C-Series Check Valve, brass body, 1/4" single ferrule tube fitting ends, 10 psig crack pressure, fluorocarbon rubber seal
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  • Parker CPI 4Z-C4L-1/3-SS-C
    4Z-C4L-1/3-SS-C Parker C-Series Check Valve
    4Z-C4L-1/3-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, 1/4" single ferrule tube fitting ends, 1/3 psig crack pressure, highly fluorinated fluorocarbon seal, polished tube nut
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  • Parker CPI 4Z-C4L-1/3-SS
    4Z-C4L-1/3-SS Parker C-Series Check Valve
    4Z-C4L-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, 1/4" single ferrule tube fitting ends, 1/3 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker 4Z4M-C4L-1-SS
    4Z4M-C4L-1-SS Parker C Series Check Valve
    4Z4M-C4L-1-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: MNPT

    Parker C-Series Check Valve, 316 SS body, 1/4" single ferrule tube fitting (inlet) x 1/4" single ferrule tube fitting (outlet), 1 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4V-CO4L-5-V-SS
    4V-CO4L-5-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4V-CO4L-5-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 5 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4V-CO4L-1-KZ-SS
    4V-CO4L-1-KZ-SS Parker CO-Series O-Ring Poppet Check Valve
    4V-CO4L-1-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

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