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  1. swiftworks

    7500 PSIG Hydro Test w/ 6M SA-105 Fittings (b31.3 and b16.11)

    Hello - We have a piping system that has a design pressure of 5000 PSIG w/ hydrotest pressure of 7500 PSIG (1.5x Design per B31.3). I am working through understanding the testing tree. The valves and gauges all 10,000# rated no problem, but the tee's and couplings, and plugs are stumping me a...
  2. swiftworks

    ASME Section 8 DIV 1 13-10 Obround Design

    This is my first go at this, wondering why negative stress is existing (has to do with ci and co), should I just assume absolute values. Any help is appreciated. Thanks,https://files.engineering.com/getfile.aspx?folder=20b6761a-ac64-42e4-b678-73e7c6ce545f&file=Obround.pdf

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