Dear Mike,
Thank you very much for your reply, your way to see the problem cleaning out my mind.
Despite the use of the word "Kettle" that in my opinion could lead misundestanding (at least in my mind [bigsmile]) I still don't understand why the code formulates Conditions Of Applicability...
Good Morning,
I'm designing a Shell & Tube heat exchanger according to ASME VIII Div. 1 Ed. 2017. The condenser is like a NEN Tema Heat Exchanger (so not K shell type) with the tubesheet welded with shell and with water boxes but with a shell side configuration made with cylinder-cone-larger...