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  1. mechanical2014

    Nozzle Reinforcement

    Thanks gr2vessels!!!
  2. mechanical2014

    Nozzle Reinforcement

    Hi, I would like to know the difference between 1. Reinforcing Pad 2. Doubler plate and 3. Insert plate.
  3. mechanical2014

    Expansion Joint - BEM type Heat exchanger

    Hi Kv, As a thumb rule, if you are getting abnormal tube sheet thickness then you have to go for expansion joints.
  4. mechanical2014

    NOZZLE LOAD DUE TO RUPTURE DISK FAILURE

    Hi All, I have been asked by stress engineer (Piping), if the pressure vessel nozzle is capable of withstanding the reaction load from the Burst of rupture disk (Rupture disk is placed on the vessel nozzle, in between piping and vessel mating flanges). I have never seen such load being...
  5. mechanical2014

    Alteration or Major Repair ???

    Hi Evaristo, In my opinion, it is a major repair and qualifies to be given R stamp.
  6. mechanical2014

    Oil and Gas Pressure vessel nozzle corrosion solutions

    Hi, Epoxy Inserts or application of composite i,e epoxy impregnated glass fibre fabric on the nozzles. If yes, then yes they are Temporary repair only. If you want to go for permanent solution then wait for SD period and replace the nozzle.
  7. mechanical2014

    Strainer (Fabricated or Casted)

    Hi Khan, I would prefer fabricated strainer. Yes, ASME allows both.
  8. mechanical2014

    thickness for the shell flange and cover/blind flange.

    NO, Its not necessary
  9. mechanical2014

    Saddles with en 13445

    Hi, Yes you can. However, if you want to stick to ASME then use ASME Section VIII, Division 2, for saddle analysis.
  10. mechanical2014

    Query on applicability of TEMA section-6 Flow induced Vibration(FIV) correlations for Waste heat rec

    Hi Gowda, In my opinion, we can't use TEMA for HIGH fin tubes vibration analysis. In TEMA under integrally finned tube, low fins tube are mentioned.
  11. mechanical2014

    Reducers

    Hi Anolan, If i m getting it right, your's equipment nozzle size is smaller than the line size. If Yes, then it is a normal practice to use reducer (or Expander) to match the nozzle with line. The vessel Design code limit is the equipment flange face.
  12. mechanical2014

    pipe failure

    In my opinion, poor welding and wrong procedure may have resulted in high residual stress and hence cracking.
  13. mechanical2014

    TEMA TYPE VMU

    It's a double pipe heat exchanger but there is no TEMA designation for it.
  14. mechanical2014

    TEMA TYPE VMU

    Funny though but some extra smart client likes to indicate a vertical exchanger with prefix V. (Although still not answering your question but some light in probably right direction).
  15. mechanical2014

    normalized rolled plate

    ASME SECTION II-A. Heat treatment section 5 of SA 516. FYI! Normalized rolled plate is nothing but two process combined into one(As rolled while undergoing normalization.
  16. mechanical2014

    normalized rolled plate

    Yes you can. If the cost is same for all three then go with "Normalized rolled".
  17. mechanical2014

    Rectangular Panel Tank as Drain Tank

    Rectangular tank can be made with more than one compartment and hence more than one type of fluid can be stored. Secondly, they can be made with good engineering practice rather than any specific design code and hence easy/cheap to make.
  18. mechanical2014

    normalized rolled plate

    ASME REQUIREMENT: Plates with thickness less than or equal to 40 mm are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved, or both (If clients specification says so). Plates over 40 mm in thickness shall be normalized.
  19. mechanical2014

    Tube Bundle pulling out

    We used Trolley with wheels for moving new and old bundles. I think you have made plans for pulling out the Bundle. Attachment will guide you for inserting the new bundle. Apart from the new bundle cost,keep in mind cost of temporary equipment including certified slings and shackles. Account for...
  20. mechanical2014

    Tube Bundle pulling out

    I have done exactly similar project for an offshore facility in North Sea (From procurement till installation procedure). Explaining all here in this forum looks like a huge task. If you can tell me at what stage the project is, I can guide you well.

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