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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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  • 4F5O4F-CO4L-25-V-SS CO Series Check Valve
    4F5O4F-CO4L-25-V-SS Parker IVD CO Series Check Valve
    4F5O4F-CO4L-25-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Male SAE

    End 2 Type: Female NPT

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 1/4 in. Male SAE w/ O-Ring x 1/4 in. Female NPT 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...
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  • 8A-CO8L-1-BN-SS CO Series Check Valve
    8A-CO8L-1-BN-SS Parker IVD CO Series Check Valve
    8A-CO8L-1-BN-SS

    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, 1/2 in. A-LOK Compression Inlet & Outlet (Port 1 & 2), 1 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 2.65 Cv Max, -30 to 250 F Deg Temperature Rating.
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  • 6Z-CO6L-50-KZ-SS CO Series Check Valve
    6Z-CO6L-50-KZ-SS Parker IVD CO Series Check Valve
    6Z-CO6L-50-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: CPI

    End 2 Type: CPI

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 3/8 in. CPI Compression 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...
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  • 6Z-CO6L-100-BN-SS CO Series Check Valve
    6Z-CO6L-100-BN-SS Parker IVD CO Series Check Valve
    6Z-CO6L-100-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: CPI

    End 2 Type: CPI

    Parker IVD CO Series Check Valve, O-Ring Poppet Valve, 3/8 in. CPI Compression Inlet & Outlet (Port 1 & 2), 100 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 1.85 Cv Max, -30 to 250 F Deg Temperature Rating.
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  • 6M-CO6L-25-BN-SS CO Series Check Valve
    6M-CO6L-25-BN-SS Parker IVD CO Series Check Valve
    6M-CO6L-25-BN-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), 25 psi Cracking Pressure, Nitrile Seat, 316 Stainless Steel Body, 6000 psig CWP, 1.85 Cv Max, -30 to 250 F Deg Temperature Rating.
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  • 6M-CO6L-1-KZ-SS CO Series Check Valve
    6M-CO6L-1-KZ-SS Parker IVD CO Series Check Valve
    6M-CO6L-1-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 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-10-KZ-SS CO Series Check Valve
    6M-CO6L-10-KZ-SS Parker IVD CO Series Check Valve
    6M-CO6L-10-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), 10 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-100-KZ-SS CO Series Check Valve
    6M-CO6L-100-KZ-SS Parker IVD CO Series Check Valve
    6M-CO6L-100-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), 100 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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