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 ...

MONTVILLE, N.J.--(BUSINESS WIRE)--Marotta Controls, a rapidly growing aerospace and defense supplier, announced it has upgraded its motor operated pilot valve (MOPV) used in aqueous film-forming foam ...

Many combined cycle power plants are being operated as peaker plants, rather than as baseload units. That can pose a problem for economizer safety valves. Pilot-operated safety valves offer several… ...

A trend has been gaining steam: Electric, modulating, pressure-reducing valves (PRVs) are increasingly replacing traditional self-piloted regulators in steam systems. The adoption of this “smart” ...

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 ...