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Thread: moving beds sucking air

  1. #1
    Sansai Gallagher's Avatar
    Join Date
    Feb 2004
    Location
    Minneapolis, Minnesota. USA
    Posts
    217

    moving beds sucking air

    Has anyone here had trouble with the water pump sucking air from your moving bed filters? I can not turn the air on in the moving bed filters w/out sucking air.
    The moving beds are DIY out of 55galand it doesn't matter how much the air line is open, it sucks air unless the air's off. The water pump is rated at 3400 gph and the feed line is 3" that reduces to 1.5 at the pump intake. I've tried both a vertical and horizontal pickup, horizontal works the best but I still get air. Any ideas?
    Jim

  2. #2
    Jumbo
    Join Date
    Oct 2005
    Location
    Crooked River Ranch, OR.
    Posts
    998
    Can you put another barrel between the fluid bed filter and pump? This would get rid of the air before the pump.

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