Conventional Safety Relief Valves are those which work on simple working principle of force balance. The operation of a conventional spring-loaded PSV/SRV is based on a force balance principle. Under normal operating conditions, until the pressure at the inlet is below the set pressure or opening pressure, the disc is seated on the nozzle preventing flow through the nozzle.

Conventional Safety Relief Valves are those which work on simple working principle of force balance. The operation of a conventional spring-loaded PSV/SRV is based on a force balance principle. Under normal operating conditions, until the pressure at the inlet is below the set pressure or opening pressure, the disc is seated on the nozzle preventing flow through the nozzle.