Piping design sequence
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I’m not sure; should larger pipes be used first when considering pipe layout?
https://bbs.hcbbs.com/thread-1256641-1-1.html I recommend that you refer to this post.
First, stress screening is carried out; large-diameter pipes that are subject to high temperature and pressure are installed first, followed by stress calculations. Priority is given to the main pipes of equipment such as compressors, turbines, and heating furnaces, with the process following a sequential order.