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  1. twistobar

    ASME Section II Part D Stress Values

    JTE, I agree those are interesting interpretations, bit I submit that they are not calling for modified allowable stresses to be used in the design and Section II allowable stresses should still be valid with the Interpretations. Regards, ... a man's got to do what a man's got to do...
  2. twistobar

    Split Reinforcing Pads

    One of the Code Sub Groups considered this issue a couple of weeks ago. The prevailed opinion was that since a shell serves as a permamnent backing strip for a repad, the Code intent will be met by just monitoring the quality of the full penetration split weld. Regards, ... a man's got to do...
  3. twistobar

    MAWP vs. Design Pressure

    By the definition, a static head is a part of the design pressure. (Please see ASME VIII-1 App.3). The static head application is "0/1" situation. Whether one has it or has not. Example: if "non-appreciable" static head of 0.3 psi makes design pressure 285.3 psi, the ASME B16.5 150# carbon...
  4. twistobar

    O-lets in ASME VIII wall thickness calculation!

    Take a look at UG-11 of ASME VIII-1 (A05). It allows, under certain conditions, the use of standard parts having a Manufacturer's standard pressure-temperature rating. Follow this link to get to the Manufactuter's Standard: http://www.bonneyforge.com/OletCat.PDF Hope it helps. ... a man's got...
  5. twistobar

    MAWP vs. Design Pressure

    Another reason not to calculate MAWP for a new vessel, unless a customer required so, is a lucrative post-construction rerating business... ... a man's got to do what a man's got to do...
  6. twistobar

    ASME interp 8-1-95-38

    Hello, Bogu! This interpretation has to do with VIII-1, Appendix 2, Applicability for Designing Autoclaves and Hydroclaves, Issued on January 20, 1995. The question was if the rules presented in Section VIII, Division 1, Appendix 2 were applicable for the design of special autoclave and...
  7. twistobar

    Mechanical Design of Heat Exchangers

    Write to Gabriel Aurioles at Gabriel.Aurioles@aspentech.com . He should help. Regards, Oleg A. Barsky, P.E.
  8. twistobar

    Torispherical Head Reinforcement

    Hello, gvc99: Look through the recent Code Cases. The one of possible help was called "Local Thin Areas", if I remember correctly... Regards, Oleg
  9. twistobar

    saddle for a vessel

    Meca, Have you considered my suggestions to be able to combine wind and seismic loads for offshore applications? I am prepared to buy your spreadsheet as soon as this feature is adopted. Regards, ob
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