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Centrifugal Purge Solution

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  • Centrifugal Purge Solution

    Hello all. What are some easy and effective options to purge air from centrifugal pumps? Is there a standard in the industry?
    I'm currently just loosening the output TC a bit and letting the air bleed, it's somewhat sketch at times and i'm looking for a safer solution.
    Just an instrument Tee with a ball valve?

    thnks

    mtn

  • #2
    Put a tee on the outlet, with a valve on one side. Open the valve until the pump is primed.

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    • #3
      Could just throw a valve on the pump outlet. Pro, a little less bulky than the T; con, you still have to open up what may be a sanitized loop when you wanna flush that air. Having the ability to open/close the output at will comes in handy all sorts of other times, too, to the point where we've just got a valve that lives on our mobile pump.

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      • #4
        Thanks all, a tee with a valve it is.

        mtn

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        • #5
          It's not just the pump you should be purging, but the whole line from source to destination vessel - so the purge liquor supply should be on a Tee at the source vessel, and the bleed at the destination vessel
          dick

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          • #6
            I think he meant to prime the pump, not to purge everything of oxygen.

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            • #7
              In addition to above suggestions, be sure the outlet port of the pump is located on top of the volute. I've seen several assembled with the outlet port below the top--impossible to purge fully.
              Timm Turrentine

              Brewerywright,
              Terminal Gravity Brewing,
              Enterprise. Oregon.

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