We have a existing 36"NB LNG header and as part of the modifications to the pipework we need to have 16" branch connection on this line. Due to the layout constraints only possible location to have the bracnh is at a butt welded Tee.(See sketch attached). I am trying to find the code requirement...
For vertical vessels with skirts, the bottom base plate is
single for short vessels say 1m or 2m in height. however for tall vessels 2 ring plates with gussets are used.
Any suggestions on the significance and guidance on when 2 ring plates are required ?
thanks and regards
I have a Nozzle on a blind flg. The blind fails for the Nozzle opening (for a revised design pressure, PD5500) and the Nozzle thickness cannot be increased as it is already ordered.
The design is as per PD5500. One option is using reinforcement pads. has anyone come across pads on blinds?
Is...
