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Can anybody tell me why compress calculate MAWP for legs support although it non-pressure retaining part ?

Hello I put body flanges between top head and shell . In compress , this message shows to me: " body flange is being counted as a line of support for external pressure " Anybody explain to me this and how I fix it ? Thanks ?

Hello I have one shell ( seamless pipe ) with two dished end. The top head has to be joint with shell with #150 WNRF Flange . The thing is in compress If I use ASME B16.5 Flange I cannot put Two flanges bolted together in top. I can put only one . I can do this only If I use Appendix 2...

I have one vessel with seamless pipe and pipe cap head . The vessel has inside demister so client has requested that top head to be provided with flanged joint . How I do this in compress ?

TGs4 What If it fails because of the flange

Hello I am fresher for pressure vessel design . If MAWP is limited by flange ( class#150 ) and client has no issue with that since they do not want to change it to 300# , can I do wrc analysis 297 in this case to verify shell thickness ( If MAWP is limited by flange ) ???