For the past 15 years, pilot-operated safety relief valves (POSRVs) have effectively and reliably protected economizers on Section I power boilers in overpressure situations, working in tandem with ...

Emerson recently unveiled the Fisher 63EGLP-16 Pilot Operated Relief Valve for installation on pressurized bullet tanks used to contain liquid propane, anhydrous ammonia and other pressurized fluids.