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Got an 60 m propane-propylene splitter for manufacturing and installation. Need any clues about manufacturing - "in one" peace by welding or by modular - flanged peaces. Also need an "for and against" explanation (standard limitations) for any of mentioned. Thank you for help.

OK, guys, this morning got an additional explanation from Client - we will do just welds PWHT (price of contract should be changed if we have to do COMPLETE HT of vessel. Thank you for your efforts, especialy to r6155 - UW-40(a)(1) was crucial for Client. Thank you all Regards

Thank you guys. Actually, I didn't find any requirements in ASME VIII for heat treatment of complete vessel, but in technical requirements Client just put "PWHT" without to specify is this for complete vessel. Just want to know what ASME require and what is a good engineering practice. Regards

In what conditions there is a need (must) for heat treatment of complete pressure vessel?

Any information about heat exchanger firefighting steam system...standard ...good engineering practice... Thank you

Little inch, thank you for your efforto. My attention was to ask, but some issues were more important. Next time... Thank you ones mnore to you and the guys.

Thank you to all...especialy to Mr. David Simpson, PE... As for Little incg - fluid is Hydrocarbonm and Client asked for some portion of pipe this position of valve...it is reachable, but requeast was to be vertical (ball or globe), but vertical...and I wonder why.

Prefered location of ball valve on vertical portion of pipe? Why?

EmmanuelTop thank you - nice document and cooperation. Appreciate!!! Best regards ikarga

Thank you EmmanuelTop appreciate your effort supporting me in resolving this problem. Also, thank you for the document you sent. Best regards ikarga

Honorable, thank you for the information. Will start from here. Best regards from Sarajevo

Working within basic oil refinery I was wonder what is minimum number of workers for distilation, de-paraffination, whitening of oil and paraffines, shaping of oils and paraffines. Can somebody advice the necessary literature, standards etc... Thank you

Need check list and startup procedure for naphta three phase separator

Actualy, I have two of them - one is 23 t and another 39 t. Both 10 meters long. Also, I have some example from previous extracting tools. To be clear, I have a civil engineer in team, as well as any other help I need. I did basic design. My real problem is narrow space arround Hx and this...

Thank you Duwe6 - appreciate - already did the Hx, and, yes, there is huge quantity of samples - but I have to do this on my own, usin experienced designer from some web sites. Orientation of company is to do this for low money. Appreciate if there is some procedure for inserting tube bundle -...

I've got to construct tool for extracting tube bundle from heat excahnger. My question is generaly - is there any guides inside shell so I can be sure that tube bundle is well orineted since there is friction steel-steel? Thanks!

Already did, but thank you!

thread1203-200194 Is there any noise level calculation method for PSV conected to flare piping? Thanks!

What is methodology to determine piping class? What is e.g. piping class RA01. Can anyobdy provide Excel diagrams for piping class?

"First purchase then price" means that I must supply quantities if I want price. It is reasonable and not a problem, but sometimes I don't have time to wait for price, because everybody wants estimation "yesterday". IVNJ - unfortunanately I am not in USA. I am from country not expected to have...