PRV Set Pressure
PRV Set Pressure
(OP)
Hi All,
It's understood that the computed set pressure for a pressure relief valve during pop test is the average of at least the last three measured set pressures once established and stabilized. Based on the "average set pressure" achieved, the valve repair shop performing the test should stamp on the repair tag the average set pressure or the nameplate set pressure?
Example: Average is 170.6 PSI
Nameplate Set Pressure: 169 PSI
Thanks and appreciate your feedback.
It's understood that the computed set pressure for a pressure relief valve during pop test is the average of at least the last three measured set pressures once established and stabilized. Based on the "average set pressure" achieved, the valve repair shop performing the test should stamp on the repair tag the average set pressure or the nameplate set pressure?
Example: Average is 170.6 PSI
Nameplate Set Pressure: 169 PSI
Thanks and appreciate your feedback.





RE: PRV Set Pressure
Per ISO, only the term Safety Valve is used regardless of application or design.
RE: PRV Set Pressure
Per your example, the Repair Nameplate would be stamped 169 PSI.
Example: Average is 170.6 PSI
Nameplate Set Pressure: 169 PSI
I hope this is helpful.
JAC