Gasketed pipe direction of flow

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by johnwayneit, Oct 8, 2009.

  1. johnwayneit

    johnwayneit New Member

    Oct 8, 2009
    Dumb question:
    When laying SDR gasketed pipe should the water flow from bell end to spigot end or vice versa or does it not even matter?
  2. dcelite

    dcelite Plumber

    Oct 5, 2009
    Los Gatos, CA
    Yes, Bell end to Spigot end. Less turbulence/obstruction.
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    I guess part of the answer would be if that would be a factor with fittings, and since most fittings have bells at both ends it would be impossible to NOT put one the opposite way, although convention calls for the pipe's spigot to be downstream in sewer systems.
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