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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  • SWO2200-TO Parker Autoclave Low Pressure O-Ring Check Valve
    SWO2200-TO Parker Autoclave Low Pressure O-Ring Check Valve
    SWO2200-TO

    Autoclave (Parker Hannifin)

    Product Type: Check Valves

    Parker Autoclave Low Pressure O-Ring Check Valve, 15,000 psi Pressure Rating, Fits W125 Connection Type, 0.094 Orifice, 0.15 Cv, TFE.
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  • 12MP7-MACL-20-BN-SS Parker Autoclave MAC Series Check Valve
    12MP7-MACL-20-BN-SS Parker Autoclave MAC Series Check Valve
    12MP7-MACL-20-BN-SS

    Autoclave (Parker Hannifin)

    Product Type: Check Valves

    Parker Autoclave MAC Series Check Valve, 15,000 psi, 3/4" MPI Tube Fitting, 4.7 Cv Flow Capacity, Nitrile Rubber O-Ring, 275 Deg F Max Working Temperature.
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  • CB4401-SOG Parker Autoclave High Pressure Sour Oil & Gas Ball Check Valve
    CB4401-SOG Parker Autoclave High Pressure Sour Oil & Gas Ball Check Valve
    CB4401-SOG

    Autoclave (Parker Hannifin)

    Product Type: Check Valves

    Parker Autoclave High Pressure Sour Oil & Gas Ball Check Valve, F250C Connection Type, 60,000 psi, 0.094" Orifice, 0.15 Cv, 1.18" Hex.
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  • SWO8800 Parker Autoclave Low Pressure O-Ring Check Valve
    SWO8800 Parker Autoclave Low Pressure O-Ring Check Valve
    SWO8800

    Autoclave (Parker Hannifin)

    Product Type: Check Valves

    Parker Autoclave Low Pressure O-Ring Check Valve, 10,000 psi Pressure Rating, 0.375" Orifice, 3.40 Cv, 1.38" Hex, 0.81" Tubing Engagement Depth.
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  • CXO24-LTTO Parker Autoclave Medium Pressure O-Ring Check Valve
    CXO24-LTTO Parker Autoclave Medium Pressure O-Ring Check Valve
    CXO24-LTTO

    Autoclave (Parker Hannifin)

    Product Type: Check Valves

    Parker Autoclave Medium Pressure O-Ring Check Valve, SF1500CX Medium Pressure, 1-1/2", 15,000 psi, 14 Cv, PTFE O-Ring w/ Low Temp Spring.
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  • 4M4A-C4L-5-B Parker IVD C Series Check Valve
    4M4A-C4L-5-B Parker IVD C Series Check Valve
    4M4A-C4L-5-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: Double Ferrule Compression

    Parker IVD C Series Check Valve, Poppet Valve, 1/4 in. Male NPT x 1/4 in. A-LOK Compression Inlet & Outlet (Port 1 & 2), 5 psi Cracking Pressure, Fluorocarbon Rubber Seat, Brass Body, 3000 psig CWP,...
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  • 4A-C4L-1/3-BN-SS-C3 Parker IVD C Series Check Valve
    4A-C4L-1/3-BN-SS-C3 Parker IVD C Series Check Valve
    4A-C4L-1/3-BN-SS-C3

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker IVD C Series Check Valve, Poppet Valve, 1/4 in. A-LOK Compression Inlet & Outlet (Port 1 & 2), 1/3 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.75 Cv Max,...
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  • 4A-C4L-1/3-BN-B-C3 Parker IVD C Series Check Valve
    4A-C4L-1/3-BN-B-C3 Parker IVD C Series Check Valve
    4A-C4L-1/3-BN-B-C3

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker IVD C Series Check Valve, Poppet Valve, 1/4 in. A-LOK Compression Inlet & Outlet (Port 1 & 2), 1/3 psi Cracking Pressure, Nitrile Seat, Brass Body, 3000 psig CWP, 0.75 Cv Max, -30 to 275 F Deg...
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