Safety Relief Valve (VYN-SRV Series) The technical specification of a safety relief valve (SRV) is defined by its ability to protect pressurized systems from catastrophic failure by automatically discharging media when internal pressure exceeds a predetermined limit.
These specifications are governed by international standards, most notably ASME Section I and VIII for boilers and pressure vessels, and API 520/526/527 for refinery and oil/gas applications. Key parameters include the set pressure (where the valve begins to open), overpressure (the pressure increase above set point to reach full lift), and blowdown (the pressure drop required for the valve to re-seat).