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Under Category D, is there a difference between "DESIGN GAGE PRESSURE" & "DESIGN PRESSURE"? fluid service: a general term concerning the application of a piping system, considering the combination of fluid properties, operating conditions, and other factors that establish the basis for design...

Thank you, that is exactly what I did.

A new stripper tower with plain end skirt to be cut and beveled by others onto an existing skirt of an old tower; I need to know which code to use, for NDE etc. Since it is non pressure retaining I do not see anything in SEC VIII Div 1. Any help is always appreciated. Thank you, ALWAYS LEARNING

Thank you, I've read that but I need to know the definition of RADIAL PROJECTION, i.e. type of imperfection.

Hi, I am self teaching myself on flanges; does the term ''RADIAL PROJECTION'' refer to an imperfection only running perpendicular across the flange face? If so, my I have a layman's definition? Thank you.

I have always wondered what the solution is, when you find out there was no preheat applied to base material and the thickness does not call for PWHT?