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Thread: Fan curve for shop vac or vacuum cleaner?

  1. #1
    Join Date
    Jun 2004
    Location
    Burlington, NC
    Posts
    821

    Fan curve for shop vac or vacuum cleaner?

    Anybody know where I can find a fan curve for a small shop vac or even household vacuum cleaners?

    I'm working a machine design/ improvement that many of us use that may use a small vacuum/blower unit. Surplus Center has a small used 3 stage vacuum unit that may work with specs of 33 cfm at 0" H20 and max of 15". I need to know how this compares to a small commercial vacuum and can't seem to find any specs for them.

    Just thought someone may have a source, if not, I'll give someone a call.

    Thanks, Perry

  2. #2
    Before just getting a Fein, I did a lot of research on central vac systems, some of which include a small cyclone separator.

    One of the web sites has curves for many brands. I forget which site, but if you google "central vacuum" it should be on the 1st page of hits.

    But I can tell you 90"/100 cfm is typical.

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