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

494 items

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  • Parker 4M-C4L-5-BN-B
    4M-C4L-5-BN-B Parker C-Series Check Valve
    4M-C4L-5-BN-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, 5 psig crack pressure, Buna-N seal,
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  • Parker A-LOK C-Series Check Valve
    6A-C6L-1-BN-SS Parker C-Series Check Valve
    6A-C6L-1-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker A-LOK C-Series Check Valve, 3/8" A-LOK® Compression, 1 psig Crack Pressure, Buna-N Rubber Seat, 316 Stainless Steel Body.
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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, -30 to 275 F Deg Temperature Rating, Oxygen Cleaned.
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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 Temperature Rating, Oxygen Cleaned.
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  • 2M-C4L-100-BN-B Parker IVD C Series Check Valve
    2M-C4L-100-BN-B Parker IVD C Series Check Valve
    2M-C4L-100-BN-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker IVD C Series Check Valve, Poppet Valve, 1/8 in. Male NPT Inlet & Outlet (Port 1 & 2), 100 psi Cracking Pressure, Nitrile Seat, Brass Body, 3000 psig CWP, 0.75 Cv Max, -30 to 275 F Deg Temperature Rating.
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  • 2M-C2L-100-BN-SS Parker IVD C Series Check Valve
    2M-C2L-100-BN-SS Parker IVD C Series Check Valve
    2M-C2L-100-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: MNPT

    End 2 Type: MNPT

    Parker IVD C Series Check Valve, Poppet Valve, 1/8 in. Male NPT Inlet & Outlet (Port 1 & 2), 100 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.31 Cv Max, -30 to 275 F Deg Temperature Rating.
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  • 4LO-C4L-5-BN-SS Parker IVD C Series Check Valve
    4LO-C4L-5-BN-SS Parker IVD C Series Check Valve
    4LO-C4L-5-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Male O-Ring Face Seal with O-Ring

    End 2 Type: Male O-Ring Face Seal with O-Ring

    Parker IVD C Series Check Valve, Poppet Valve, 1/4 in. Male SAE O-Ring Face Seal w/ Backup O-Ring Inlet & Outlet (Port 1 & 2), 5 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.75 Cv Max, -30 to 275 F Deg Temperature...
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  • 4F-C4L-25-BN-SS Parker IVD C Series Check Valve
    4F-C4L-25-BN-SS Parker IVD C Series Check Valve
    4F-C4L-25-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker IVD C Series Check Valve, Poppet Valve, 1/4 in. Female NPT Inlet & Outlet (Port 1 & 2), 25 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.75 Cv Max, -30 to 275 F Deg Temperature Rating.
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