Thank you for the help LittleInch. You have confirmed what I was thinking. Do you know of any literature, other than API 520/521 that could lend me some guidance on the subject?
Thanks,
SETXChE
API states that the pressure drop in inlet should not be greater than 3% set pressure and pressure drop in outlet should be no greater than 10% set pressure.
When calculating this pressure drop should the piping inlet pressure drop from the vessel to the piping ex.(borda entrance, flush...