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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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  • Parker 4V-CO4L-5-V-SS
    4V-CO4L-5-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4V-CO4L-5-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 5 psig crack pressure, fluorocarbon rubber seal
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  • Parker 4V-CO4L-5-KZ-SS
    4V-CO4L-5-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    4V-CO4L-5-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 5 psig crack pressure, Kalrez seal
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  • Parker 4V-CO4L-5-BN-SS
    4V-CO4L-5-BN-SS Parker CO Series O-Ring Poppet Check Valve
    4V-CO4L-5-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 5 psig crack pressure, Buna-N rubber seal
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  • Parker 4V-CO4L-50-KZ-SS
    4V-CO4L-50-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    4V-CO4L-50-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 50 psig crack pressure, Kalrez seal
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  • Parker 4V-CO4L-25-BN-SS
    4V-CO4L-25-BN-SS Parker CO Series O-Ring Poppet Check Valve
    4V-CO4L-25-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 25 psig crack pressure, Buna-N rubber seal
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  • Parker 4V-CO4L-1-KZ-SS
    4V-CO4L-1-KZ-SS Parker CO-Series O-Ring Poppet Check Valve
    4V-CO4L-1-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 1 psig crack pressure, Kalrez seal,
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  • Parker 4V-CO4L-1-BN-SS
    4V-CO4L-1-BN-SS Parker CO Series O-Ring Poppet Check Valve
    4V-CO4L-1-BN-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 1 psig crack pressure, Buna-N rubber seal
    Quote Required Request a Quote
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    Qty in Cart: 0
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  • Parker 4V-CO4L-10-V-SS
    4V-CO4L-10-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4V-CO4L-10-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: VacuSeal

    End 2 Type: VacuSeal

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" face seal (VacuSeal) ends, 10 psig crack pressure, fluorocarbon rubber seal
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