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In my case, the horizontal movemnt is the 158mm and offset about 79mm.the vertical angle obtained is 4.4.according to mfr, their spring design can cater up to 5 degree. I am curious about the last sentence of the mentioned requiremnt mss sp 69 above.do we need to check anything related to stress?

Guys, [peace] According to MSS SP 69, "If horizontal pipe movement results in a vertical angle of the hanger rod greater than 4 degrees, common practise is to either offset the pipe attachment or structural attachment by the amount of anticipated rod swing or provide a traveling device for...

Thanks guys for your knowledge and experience sharing. It would be helpful for me and others as well.

Hi guys, For constant spring hanger (lug attached to a structure case), we will carry out cold setting as per stress designed during cold condition before the piping is put in service. In commissioning stage, which by right the locking pin has been removed, the supported pipe will travel up to...