This is bulging?
A: Yes
any welded valves adjacent which is 1500 or 2500 ratings?
A: No, but there is a heavy piping above and restriction below.
Did you carriedout postheating after welding?
A: Yes, 2 hours @760°C
Did you had bolt torquing either side fixed strongly?
A: It doesn't have any flanges.
Is there any distortion after welding and carriedout PWHT without any rectifications?
A: No, distortion appeared after PWHT.
Or Modifcations done for repairs (Cutout or partial repairs) before PWHT?
A: Yes, it was done partial repair before PWHT.
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