Many thanks for your help, please find below the PSV specification :
Operating P around 80 barg
PSV Set pressure 93 barg ( PSV conventional )
Orifice H
Size of PSV : 2" 900 RF X 3" 150 RF
MANUFACTURER: TAI MILANO
TYPE: 3000W
OZZLE RING SETTING: -5 notch
Back pressure 4.2 barg : PSV outlet vent...
On 06/04/2016 we have received the PSV at workshop, and after disassembled check all their components we found the disc and nozzle totally damaged in the seating surfaces, Imperfections in seating surfaces may contribute to improper valve action in service..
Due to the remarkable damage in the...