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 6A-CO6L-10-KZ-SS
    6A-CO6L-10-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    6A-CO6L-10-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 3/8" double ferrule tube fitting ends, 10 psig crack pressure, Kalrez seal
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  • Parker 6A-CO6L-100-V-SS
    6A-CO6L-100-V-SS Parker CO Series O-Ring Poppet Check Valve
    6A-CO6L-100-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 3/8" double ferrule tube fitting ends, 100 psig crack pressure, fluorocarbon rubber seal
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  • Parker A-lok 6A-CO6L-1/3-V-SS
    6A-CO6L-1/3-V-SS Parker CO-Series O-Ring Poppet Check Valve
    6A-CO6L-1/3-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 O-Ring Poppet Check Valve, 316 SS body, 3/8" double ferrule tube fitting ends, 1/3 psig crack pressure, highly fluorinated fluorocarbon seal,
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  • Parker A-lok 6A-CO6L-1/3-KZ-SS
    6A-CO6L-1/3-KZ-SS Parker CO-Series O-Ring Poppet Check Valve
    6A-CO6L-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 O-Ring Poppet Check Valve, 316 SS body, 3/8" double ferrule tube fitting ends, 1/3 psig crack pressure, Kalrez seal,
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  • Parker 4Z-CO4L-5-KZ-SS
    4Z-CO4L-5-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    4Z-CO4L-5-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" single ferrule tube fitting ends, 5 psig crack pressure, Kalrez seal
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  • Parker 4Z-CO4L-1-BN-SS
    4Z-CO4L-1-BN-SS Parker CO Series O-Ring Poppet Check Valve
    4Z-CO4L-1-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" single ferrule tube fitting ends, 1 psig crack pressure, Buna-N rubber seal
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  • Parker 4Z-CO4L-10-BN-SS
    4Z-CO4L-10-BN-SS Parker CO Series O-Ring Poppet Check Valve
    4Z-CO4L-10-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" single ferrule tube fitting ends, 10 psig crack pressure, Buna-N rubber seal
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  • Parker Co Series Check Valve
    4Z-CO4L-1/3-BN-SS Parker Check Valve
    4Z-CO4L-1/3-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    Parker CO Series Check Valve, 1/4" x 1/4", CPI Single Ferrule Compression x CPI Single Ferrule Compression, 6000 PSIG CWP, 1/3 PSI Cracking, Stainless Steel Body, Nitrile Rubber Seat/Seal, In-Line,...
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