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  • Users: amats42
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  1. amats42

    API 650 Atmospheric Tank - Shell Nozzle Pipe vs. Plate

    I was wondering if anyone knew the reason behind API 650 e12 Paragraph 4.5.2 which prohibits the use welded pipe for shell nozzles (though it does allow ASTM A671 electric-fusion-welded). I recently had a tank vendor attempt to use API 5L pipe for a large bore pipe nozzle (since they specified...
  2. amats42

    Fitting Weld Resting on Free Pipe Support

    I searched through the forums as well as the codes and other online forums and I don't see a definitive answer on this. Is there a code that prohibits a fitting weld (circumferential weld) from resting on a free pipe support? We have 6" and 12" coated carbon steel pipes that rest on free...

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