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  1. McEng29

    Reuse Pressure Vessel as Storage Tank

    Re-rating the vessel is due to thinning of the vessel shell and heads. Going to keep it an ASME vessel but no require a code stamp.
  2. McEng29

    Reuse Pressure Vessel as Storage Tank

    Thanks for all the input. The operating pressure will be much lower than what it is rated for. And mk3223 you answered my question that i was going to ask about the nameplate [thumbsup].
  3. McEng29

    Reuse Pressure Vessel as Storage Tank

    Thank you both for the replies.
  4. McEng29

    Reuse Pressure Vessel as Storage Tank

    A client is wanting to reuse an existing vertical pressure vessel as a atmospheric storage tank. What are some consideration that needs to be looked at for something like this? The product is COS Solvent and tank will have a nitrogen blanket. Thank you.
  5. McEng29

    B31.1 Section Modulus Question

    When doing calculations with piping, never use nominal anything, errors will occur. Section modulus is calculated by 0.0982(do^4-di^4)/do
  6. McEng29

    API 650 Design Criteria for a 10'x8' Access Hatch

    What is your clients purpose for such a large cleanout? A 48" x 48" cleanout should be more than enough, and as stated before, anything larger than that does not meet API 650 std, section 5.7.7.1.
  7. McEng29

    FE Exam

    I took the computer-based test a year before graduating, and found that familiarizing yourself with the reference book before the exam is definitely key to success or good knowledge of what formulas and such to use too answer the questions. Also, most of the questions can be narrowed down to two...
  8. McEng29

    Annular plate projection

    thank you both! The more I asked around, I found that out.
  9. McEng29

    Annular plate projection

    Hello everyone, My question is, what is the maximum projection from the tank shell that an annular ring should be? I found in API-650 Sec. 5.4.2. that the minimum should be no less than 2 inches but not finding a maximum. Thanks

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