Thanks for your reply.
The system pressure is around 18barg on the inlet side and the discharge of the PSV relieves at 22.5barg into a 9 barg system. It is in place downstream of a feed preheater to a distillation column with the discharge of the PSV venting into the column which itself is...
I am wondering if anybody can offer any thoughts on the following issue:
A balanced bellows PSV in olefin service has shown leakage from the bonnet vent hole and also from the body joint. The bonnet has been tightened down and the body joint leak stopped and the leak from the tell tale reduced...
