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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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  • 4F-C4L-1-KZ-SS C Series Check Valve
    4F-C4L-1-KZ-SS Parker IVD C Series Check Valve
    4F-C4L-1-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Female NPT

    End 2 Type: Female NPT

    Parker IVD C Series Check Valve, Poppet Valve, 1/4 in. Female NPT Inlet & Outlet (Port 1 & 2), 1 psi Cracking Pressure, Highly Fluorinated Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.75 Cv Max, -15 to 200 F Deg Temperature Rating.
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  • 4Z-C4L-15-SS C Series Check Valve
    4Z-C4L-15-SS Parker IVD C Series Check Valve
    4Z-C4L-15-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: CPI

    End 2 Type: CPI

    Parker IVD C Series Check Valve, Poppet Valve, 1/4 in. CPI Compression Inlet & Outlet (Port 1 & 2), 15 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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  • 12X12G5-CBG8L-100-PF-SS CB Series Check Valve
    12X12G5-CBG8L-100-PF-SS Parker IVD CB Series Check Valve
    12X12G5-CBG8L-100-PF-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: 37 Deg. Flare

    End 2 Type: Female SAE

    Parker IVD CB Series Check Valve, Ball Check, 1/4 in. 37 Deg. Flare x 3/4 in. Female SAE w/ O-Ring Inlet & Outlet (Port 1 & 2), 100 psi Cracking Pressure, Parkerfill Seat, 316 Stainless Steel Body, .
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  • 4F-CO4L-10-BN-SS CO Series Check Valve
    4F-CO4L-10-BN-SS Parker IVD CO Series Check Valve
    4F-CO4L-10-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Female NPT

    End 2 Type: Female NPT

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 1/4 in. Female NPT Inlet & Outlet (Port 1 & 2), 10 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.62 Cv Max, -30 to 250 F Deg Temperature Rating.
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  • 4V-CO4L-10-KZ-SS CO Series Check Valve
    4V-CO4L-10-KZ-SS Parker IVD CO Series Check Valve
    4V-CO4L-10-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 1/4 in. VacuSeal Inlet & Outlet (Port 1 & 2), 10 psi Cracking Pressure, Highly Fluorinated Fluorocarbon Rubber Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.62 Cv Max, -15 to 200 F Deg Temperature...
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  • 4M4F-CO4L-5-BN-SS CO Series Check Valve
    4M4F-CO4L-5-BN-SS Parker IVD CO Series Check Valve
    4M4F-CO4L-5-BN-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), 5 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.62 Cv Max, -30 to 250 F Deg Temperature Rating.
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  • 4M4F-CO4L-10-BN-SS CO Series Check Valve
    4M4F-CO4L-10-BN-SS Parker IVD CO Series Check Valve
    4M4F-CO4L-10-BN-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), 10 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 0.62 Cv Max, -30 to 250 F Deg Temperature Rating.
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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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