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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

1731 items

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  • 4M4F-CO4L-100-KZ-SS CO Series Check Valve
    4M4F-CO4L-100-KZ-SS Parker IVD CO Series Check Valve
    4M4F-CO4L-100-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Male NPT

    End 2 Type: Female NPT

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 1/4 in. Male NPT x 1/4 in. Female NPT Inlet & Outlet (Port 1 & 2), 100 psi Cracking Pressure, Highly Fluorinated Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.62 Cv Max, -15 to...
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  • 6M-CO6L-50-KZ-SS CO Series Check Valve
    6M-CO6L-50-KZ-SS Parker IVD CO Series Check Valve
    6M-CO6L-50-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Male NPT

    End 2 Type: Male NPT

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 3/8 in. Male NPT Inlet & Outlet (Port 1 & 2), 50 psi Cracking Pressure, Highly Fluorinated Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 6000 psig CWP, 1.85 Cv Max, -15 to 200 F Deg Temperature...
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  • 4A-CO4L-25-V-SS-C3 CO Series Check Valve
    4A-CO4L-25-V-SS-C3 Parker IVD CO Series Check Valve
    4A-CO4L-25-V-SS-C3

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: A-Lok

    End 2 Type: A-Lok

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 1/4 in. A-LOK Compression Inlet & Outlet (Port 1 & 2), 25 psi Cracking Pressure, Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.62 Cv Max, -15 to 400 F Deg Temperature Rating,...
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  • 4A-C4L-25-BN-SS C Series Check Valve
    4A-C4L-25-BN-SS Parker IVD C Series Check Valve
    4A-C4L-25-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: A-Lok

    End 2 Type: A-Lok

    Parker IVD C Series Check Valve, Poppet Valve, 1/4 in. A-LOK Compression 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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  • 6M-CO6L-5-KZ-SS CO Series Check Valve
    6M-CO6L-5-KZ-SS Parker IVD CO Series Check Valve
    6M-CO6L-5-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Male NPT

    End 2 Type: Male NPT

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 3/8 in. Male NPT Inlet & Outlet (Port 1 & 2), 5 psi Cracking Pressure, Highly Fluorinated Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 6000 psig CWP, 1.85 Cv Max, -15 to 200 F Deg Temperature...
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  • 6M-CO6L-1/3-KZ-SS CO Series Check Valve
    6M-CO6L-1/3-KZ-SS Parker IVD CO Series Check Valve
    6M-CO6L-1/3-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Male NPT

    End 2 Type: Male NPT

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 3/8 in. Male NPT Inlet & Outlet (Port 1 & 2), 1/3 psi Cracking Pressure, Highly Fluorinated Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 6000 psig CWP, 1.85 Cv Max, -15 to 200 F Deg...
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  • 6A6M-C6L-5-SS-2502 C Series Check Valve
    6A6M-C6L-5-SS-2502 Parker IVD C Series Check Valve
    6A6M-C6L-5-SS-2502

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: A-Lok

    End 2 Type: Male NPT

    Parker IVD C Series Check Valve, Poppet Valve, 3/8 in. A-LOK Compression x 3/8 in. Male NPT Inlet & Outlet (Port 1 & 2), 5 psi Cracking Pressure, Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 6000 psig CWP, 2.26 Cv Max, -15 to 400 Deg F Temperature...
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  • 4V-C4L-1/3-EPR-SS C Series Check Valve
    4V-C4L-1/3-EPR-SS Parker IVD C Series Check Valve
    4V-C4L-1/3-EPR-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker IVD C Series Check Valve, Poppet Valve, 1/4 in. VacuSeal Inlet & Outlet (Port 1 & 2), 1/3 psi Cracking Pressure, Ethylene Propylene Rubber (EPR) Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.75 Cv Max, -70 to 275 Deg F Temperature Rating.
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