I'm working on a project where we will have large displacement due to seismic joints on a pier. 12" pipe, aromatics, distillates, and methanol product, ~100 PSIG. The displacement due to the seismic requirement is more than can be handled with normal u bends and 90 degree piping offsets. Flexible hose piping systems are a possibility but I'm concerned with the surge when offloading begins. Pipe is normally empty and only full during offloading activity. Has anyone here had experience with ball joints or swivel joints for piping expansion in regards to 12" piping? What are some options to look at?
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