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 ...

Abstract: In this study, we have fabricated and evaluated a flow control valve for oil-hydraulic soft actuators. To install oil-hydraulic actuators on a robot to realize actuation with high-power, ...

Abstract: The accurate control of hydraulic support movement in coal mining remains a significant technical challenge due to the limitations of the existing electrohydraulic directional valves, which ...