The valve requires no elastomer seats or seal, which results in the ability to handle temperatures from –65 to 515°F (–54 to 268°C) and a set pressure range of 15 to 6,170 psig.

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 ...

Curtiss-Wright’s Industrial Division Farris 3800L Series Pressure Relief Valve Receives ASME Approval Farris' 3800 Series Pilot Operated Relief Valve with Modulating Control (Photo: Business Wire) ...