Pressure Safety Valve

K

Thread Starter

KABIL KHAN

At test bench in Work shop PSV is holding, but when installed in Area it Starts passing on 158-159 KG operating pressure (service CO2 compressor discharege) and then suddenly starts popping. Vibration also noted it seems normal.

we also observed passing in Pilot operated PSVs where Operating pressure is More than 150 KG. pilot operated PSVs are performing well where set pressure is less than 100 KG/CM2.

Please give your valuable suggestions
 
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