McMaster-Carr logo
    Filter by
    Pipe Size
    Industrial Info Compare
    Body Material
    Mounting Position
    Connects To
    For Use With
    Check Valve Type
    Gender
    Seal Material
    Industrial Info Compare
    Actuation
    Fitting Type
    Valve Type
    Maximum Flow Rate
    Minimum Pressure
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Maximum Pressure @ Temperature
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Flow Coefficient (Cv)
    Minimum Temperature
    End-to-End Length
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    2 Products

    Sump Pump Backflow-Prevention Valves with Clamps

    Image of Product. Front orientation. Sump Pump Backflow-Prevention Valves. Sump Pump Backflow-Prevention Valves with Clamps.
    Prevent dirty water from flowing back to your pump. Valves have flexible couplers with hose clamps to slip over PVC tubing for easy installation. At least 2 psi is required to open valves. Install for horizontal or upward flow.
    Pipe Size
    Max. Pressure
    @ Temp.
    Max. Flow Rate @
    10 ft. of Head, gpm
    Temp. Range,
    ° F
    Body
    Material
    Color
    Seal Material
    End-to-End
    Lg.
    Each
    1 1/4, 1 1/2
    		25 psi @ 70° F4.335 to 130ABS
    		BlackEPDM/Stainless Steel
    		4 13/16"7744K11000000
    2
    		25 psi @ 70° F4.335 to 130ABS
    		GreenEPDM/Stainless Steel
    		6"7744K1200000
    back to top