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-   -   ∅ Use in P&ID Drawings (https://www.askmehelpdesk.com/showthread.php?t=390006)

  • Aug 24, 2009, 10:21 AM
    wdjudd
    ∅ Use in P&ID Drawings
    I recently encountered a P&ID drawing that contained the following information at the bottom of a 1,000 Gal storage tank:
    1,000 gal, 6' ∅ x 5' HT

    What does the ∅ mean in this description?
    What is this information used to calculate the 1,000 gal?
  • Aug 24, 2009, 04:27 PM
    WallyHelps

    I thought it meant diameter. But I went to school a long time ago!
    That size sounds about right.

    Hope this helps,
    WallyH

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