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Horizontal sewage movement

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  • Horizontal sewage movement

    Hello, I want to install a sewage pump system in a pool house and run the discharge line to the septic tank. The question is how far will the pump push the fluid horizontally? I have @ 55 ft to the septic tank and all is somewhat level.

  • #2
    Re: Horizontal sewage movement

    Originally posted by GABOY View Post
    Hello, I want to install a sewage pump system in a pool house and run the discharge line to the septic tank. The question is how far will the pump push the fluid horizontally? I have @ 55 ft to the septic tank and all is somewhat level.
    as an engineer, i would think you would know better

    as a plumber i do

    answer is the coefficient of drag/ friction of the pipe and fittings.

    the issue is not the horizontal distance. it's the head or height of lift you need to be concerned with.

    depending on your model of pump. lets assume your pump will max out at 20' of head pressure. so at .433 pounds per foot. you can develop 8.66 pounds of lift.

    now it's your turn to figure out the friction

    also another issue is the fact that you're installing it basically flat.

    when the pump shuts off, and the $hit sits in a flat line, the stuff can harden and eventually your pump will not want to move the stuff downstream.

    best bet is to always pump to a higher level and let gravity take over and drain the line.

    rick.
    phoebe it is

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