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  1. #1
    Join Date
    Nov 2001
    Location
    east kansas
    Posts
    8,024
    Should one's guages be able to hold a deep vaccuum? Say below 1000 microns?

  2. #2
    Join Date
    Jul 2006
    Location
    Southern CT
    Posts
    552
    if they can hold over 500 psi positive pressure, then I would hope they can hold 14.5 psi negative pressure.

  3. #3
    Join Date
    Apr 2005
    Location
    Boulder,CO.
    Posts
    552
    If they don't I would be repairing or replacing them ASAP!

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