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  1. DanielChow

    Stiffness and Allowable Loads for API 650 Flush-Type Shell Connection

    Hi Duwe6 Thanks for contributing. May I know where is "'pipe anchors' portion in API-653 inspx" stated? Just can't locate it in the latest API 653 I'm having (4th edtion, addendum 3, Nov. 2013).
  2. DanielChow

    Stiffness and Allowable Loads for API 650 Flush-Type Shell Connection

    Hi JStephen Thanks for your thought. The piping has some properly placed bends/elbows, based on experience, looks flexible. The piping designer designated the flush-type shell connection as an ANC in Caesar. The analysis yielded a set of forces and moments at the ANC; and indicated the...
  3. DanielChow

    Stiffness and Allowable Loads for API 650 Flush-Type Shell Connection

    Hi all My refinery is constructing two new API 650 storage tanks of 44m and 47.5m diameters. Both of them have at least one flush-type shell connection per section 5.7.8 of API 650. We are trying to determine the stiffness coefficients and allowable loads for these nozzles. Annex P within API...

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