Recent content by fonti1977

This means the shell flange will be the first to fail should the max allowable is exceeded. MAWP = D.P. is ok if there are no calculations available.

Hi Gr2vessels, AFC stands for Air Fin Cooler. I'm still unclear what that special consideration in footnote 20 stands for. But thanks for the reply. If you can go thru the passage and give me your interpretation on it I'd really appreciate it.

Thanks Tom. Yeah the wordings were quite confusing :)

Thanks a lot James. I'll consider your advice when I encounter the same problem.

Thanks James but I just told our client this morning that we cannot use Appendix 1-10 in lieu of UG-37. I guess I read your reply too late :) Anyway, I based this on what UG-36 says, that for large openings App 1-7 shall be satisfied "in addition" to the rules of the paragraph...and App 1-10...

I am playing with the inputs in PVELITE and I can't get a result where UG-37 fails while Appendix 1-10 passes (shows local primary stress less than Allowable membrane stress). It seems that if UG-37 area requirements passes it follows that App 1-10 is also passing. Can I use Appendix 1-10...

I am checking an AFC header calculation that uses UG-34 instead of Appendix 13 to get the thickness. I am thinking of requiring an ASME U stamp. This is because I saw a footnote in UG-34 (a). Footnote 20 says "Special consideration shall be given to the design of shells, nozzle necks or...