Well, I have not fully understood what you want to know. But let me give my opinion on the two points you have raised:
1) I dont know why you are saying like this. The piping GA drawing gives the arrangement and the layout is fabricated at site as per that. In operating condition the loads...
Well, let me mention here that Code gives only guidelines for stress analysis and allowables. It does not specify the rule or binding to stick to these limits.
As a good engineer / designer we have to consider some unseen aspects like fabrication changes, any changes that happen on site...
There is a slight difference in these terms depending on dimensional & manufacturing standards and the applications.
Pipe is a pressure containing component used in industry to transport fluid from one point to another. The pipe is designated by the Nominal Bore (NB). For pipes the OD is always...