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

1734 items

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  • Parker 4A-CO4L-10-V-SS
    4A-CO4L-10-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4A-CO4L-10-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, 1/4" double ferrule tube fitting ends, 10 psig crack pressure, fluorocarbon rubber seal
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  • Parker A-lok 4A-C4L-1/3-SS
    4A-C4L-1/3-SS Parker C-Series Check Valve
    4A-C4L-1/3-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, 316 SS body, 1/4" double ferrule tube fitting ends, 1/3 psig crack pressure, fluorocarbon rubber seal
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  • Parker 12A-C12L-1-SS
    12A-C12L-1-SS Parker C Series Check Valve
    12A-C12L-1-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, 3/4" double ferrule tube fitting ends, 1 psig crack pressure, fluorocarbon rubber seal
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  • CAN-1VCH-7 Walchem CAN Series Injection Check Valve, PVC
    CAN-1VCH-7 Walchem CAN Series Injection Check Valve, PVC
    CAN-1VCH-7

    Walchem

    Product Type: Injection Check Valves

    Walchem CAN Series PVC Injection Check Valve, 3/8 in. MNPT Process Connection, 3/8 in. OD Tubing Connection, Clear, PVC Body, FKM Seal, High Spring PSI, 50 psi Back-Pressure, Some Anti-Siphon.
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  • CAN-2PEL-8 Walchem CAN Series Injection Check Valve, GFRPP
    CAN-2PEL-8 Walchem CAN Series Injection Check Valve, GFRPP
    CAN-2PEL-8

    Walchem

    Product Type: Injection Check Valves

    Walchem CAN Series PVC Injection Check Valve, 1/2 in. MNPT Process Connection, 1/2 in. OD Tubing Connection, Black, GFRPP Body, EPDM Seal, Low Spring PSI, 8 psi Back Pressure, Minimal Anti-Siphon.
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  • 8G5-C8L-1-T-SS C Series Check Valve
    8G5-C8L-1-T-SS Parker IVD C Series Check Valve
    8G5-C8L-1-T-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Female SAE

    End 2 Type: Female SAE

    Parker IVD C Series Check Valve, Poppet Valve, 1/2 in. Female SAE Inlet & Outlet (Port 1 & 2), 1 psi Cracking Pressure, PTFE Seat, 316 Stainless Steel Body, 4000 psig CWP, 3.53 Cv Max, -65 to 400 F Deg Temperature Rating.
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  • M6Z-C4L-5-SS C Series Check Valve
    M6Z-C4L-5-SS Parker IVD C Series Check Valve
    M6Z-C4L-5-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: CPI

    End 2 Type: CPI

    Parker IVD C Series Check Valve, Poppet Valve, 6mm CPI Compression Inlet & Outlet (Port 1 & 2), 5 psi Cracking Pressure, Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.75 Cv Max, -15 to 400 Deg F Temperature Rating.
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  • 16G5-C16L-1/3-SS C Series Check Valve
    16G5-C16L-1/3-SS Parker IVD C Series Check Valve
    16G5-C16L-1/3-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: SAE

    End 2 Type: SAE

    Parker IVD C Series Check Valve, Poppet Valve, 1 in. Female SAE Inlet & Outlet (Port 1 & 2), 1/3 psi Cracking Pressure, Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 5000 psig CWP, 6.56 Cv Max, -15 to 400 Deg F Temperature Rating.
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