I seem to remember hearing that as long as you had a copy of the original U1 for a heat exchanger/vessel you could do an exact duplicate without worrying about how Code has changed over the years.
I've always been skeptical of this but the person who told me it was very bright and hardly ever...
Perhaps someone can help me. My mentor recently passed away (unexpectedly) and I am now doing designs that I am unfamiliar with.
I have to design a steam condenser with subcooling. The steam (47500 #/hr) simply enters at 65 psia and 323F. Cools to 298F, condenses, and then condensate cools...
