1. A pressure relief valve (PRV) protects equipment by automatically opening to vent process media when the pressure in the inlet nozzle overcomes the downward force of the spring.

If a pressure relief valve for a boiler is accidentally installed on a water heater, it will leak like crazy from the start. These valves may look identical, but they're set to go off at 30 psi ...

“Pressure relief valves positioned on either the suction or discharge sides are not notably distinct, aside from their designated pressure ratings,” said Aschow. “Currently, there exists a substantial ...