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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

504 items

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  • Parker A-LOK C-Series Check Valve
    4A4M-C4L-1/3-BN-B Parker C-Series Check Valve
    4A4M-C4L-1/3-BN-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: MNPT

    Parker A-LOK C-Series Check Valve, 1/4" A-LOK® Compression, 1/4" Male NPT, 1/3 psig Crack Pressure, Buna-N Rubber Seat, Brass Body.
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  • Parker A-LOK C-Series Check Valve
    4M4A-C4L-25-SS Parker C-Series Check Valve
    4M4A-C4L-25-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: Double Ferrule Compression

    Parker A-LOK C-Series Check Valve, 1/4" Male NPT, 1/4" A-LOK® Compression, 25 PSIG (1.72 BAR), Fluorocarbon Rubber Seat, Stainless Steel Body.
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  • Parker A-LOK CO Series Check Valve
    4A-CO4L-25-V-SS Parker CO Series Check Valve
    4A-CO4L-25-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, 1/4" A-LOK® Compression, 25 psig Crack Pressure, Fluorocarbon Rubber Seat, 316 Stainless Steel Body.
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  • Parker 4A-C4L-5-EPR-SS
    4A-C4L-5-EPR-SS Parker C Series Check Valve
    4A-C4L-5-EPR-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker C-Series Check Valve, 316 SS body, 1/4" double ferrule tube fitting ends, 5 psig crack pressure, EPR seal
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  • Parker 4M-C4L-10-T-SS
    4M-C4L-10-T-SS Parker C Series Check Valve
    4M-C4L-10-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, 10 psig crack pressure, PTFE seal
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  • Parker 4V-CO4L-100-V-SS
    4V-CO4L-100-V-SS Parker CO Series O-Ring Poppet Check Valve
    4V-CO4L-100-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, 100 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4M4F-C4L-25-SS
    4M4F-C4L-25-SS Parker C Series Check Valve
    4M4F-C4L-25-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 (inlet) x 1/4" FNPT (outlet), 25 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4F-C4L-5-BN-SS-C3
    4F-C4L-5-BN-SS-C3 Parker C Series Check Valve
    4F-C4L-5-BN-SS-C3

    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, Buna-N rubber seal, oxygen cleaned
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