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 ...
Lee Company’s new High Pressure 500 Pilot Operated Chek is the latest addition to Lee’s line of miniature check valves. This valve acts like a normal check valve until pressure is applied to the pilot ...
The new JPC Series check valves feature a poppet design and provide a variety of port configurations. The device works as a standard check valve, but can operate with an air pilot signal The new JPC ...
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