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  1. MJCronin

    Question on V-Loops

    I was a piping engineer for > 40 years and have never heard of "V loops" Is this a special name for a proprietary component offered by a single vendor ? .... Like a "WHATABURGER" ? Without talking to the chef, I will never know exactly what is in my WHATABURGER Did you ask your MBA boss what...
  2. MJCronin

    Feed Water Control

    Post the pump curve and tell us your operating point ... Where is the system SUPPOSED to be operating ? How old is the system ?... 30?... 40 ....50 years old Steam traps/DAs that are ignored by MBA Bhutt wipes, have ruined many, many boiler system .. Boiler, pump valves and traps are all one...
  3. MJCronin

    thickness tolerance of piping Vs plates

    Have you talked with a structural PE ?... Have you reviewed ASTM/ASME standards on thincknesses and tolerances ? The tolerance would be referred to or contained within the ASTM document, in my experience ,,, Here is SKYNET's expanation...
  4. MJCronin

    Single Line on Piping

    Let the guessing games begin !!!! .... This third-world clown will never define his terms, nor does he care if his question is answered !! He will not provide details and refuses to give exerpted .PDF details of the document he misunderstands !!! He just enjoys teasing the barely sentient...
  5. MJCronin

    Convert Gas Oil Tank to unconverted oil product from hydrocracking unit

    ??
  6. MJCronin

    New Snack food sweeping AMERICA !!

  7. MJCronin

    commercial software for design of pressure vessel and heat exchanger according to ASME SEC ||| for nuclear application.

    Nope
  8. MJCronin

    Steam generation

    The dewpoint factor is partiularly important . I believe you should investigate static economizers on boiler flues Harvesting waste energy at the cold end of the process often involves using premium materials (or coatings) for HX tubes. This will stongly affect the estimated costs... Review...
  9. MJCronin

    outside pressure wall pipe thickness

    No, Najeeb, no I will not .... You have been giving us nothing for years You get what you pay for
  10. MJCronin

    DESIGN RECUPERATORS

    "Please"... "Thank you" and "Your Welcome" is not practiced by your tribe ?
  11. MJCronin

    Mininimum Allowable Differential Between Operating Pressure and PSV Set Pressure.

    Review ASME B31.1 on what is required (both setting AND FLOWRATE) for these types of relief stations What is the piping design "Code of Record", Pav ?
  12. MJCronin

    Surface Condenser Design (TEMA Type BEM)

    Wild ideas from a disgusted, feral (and cancerous) geezer ... 1.) Google "steam surface condenser" "eng-tips" and "MJCronin" together - What can you learn here ? 2). Since this is your first heat exchanger ever, investigate the term "thermal approach temperature" 3). Go back to...
  13. MJCronin

    Pressure drop for heat exchangers

    Only 27 more questions to go before the OP understands that GIGO !!!
  14. MJCronin

    outside pressure wall pipe thickness

    3mm
  15. MJCronin

    Steam piping

    Yes, either .... and several other materials .. What does your piping spec say ? ... Was the original piping spec sheets thrown away by previous plant owner ? ASME B31
  16. MJCronin

    Quality Air Reciever Fabrication and Welding --

    Quality Air Reciever Fabrication and Welding -- Your thoughts on this YOUTUBE Video ?
  17. MJCronin

    Learning Guidance

    Where do you live, Shaikh Mohammed Ammar, ... I may have some PV design books to sell to you "mjcronin16 at gmail dot com" MJCronin Sr. Process Engineer
  18. MJCronin

    Standards on filling holes with weld

    The magical words that you seem not to be using are "plug welds" Google: AISC AWS rules "plug welds" and see what you get ! Thank God only experienced STEM engineers are getting these important weldment design assignments ! (I also believe that, with a detailed sketch, there may be some...
  19. MJCronin

    API 650 Tank Rebuild - Type and quantity of weld inspections

    Lets make sure that we have a shared understanding of the english language, shall we ? I have worked on several industrial acid tank projects and have specific questions 1) Was the old tank containing "Concentrated Sulfuric acid" ? - Because these are typically 100% replaced What are...
  20. MJCronin

    Rated flow rates not in 80% to 110% of BEP flowrates

    Let the guessing games begin !!! 1) Was the pump specified to be able to move solids (solids handling pumps have horrible efficncies) 2) Is this some kind of slurry pump or "chopper pump" ? 3) Is this a "self priming" pump 4) Is this a new pump or "boneyard reused" pump 5)...

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