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 ...

Clippard Instrument Laboratory Inc., introduces the JPC Series check Valves. The JPC series utilizes Clippard’s superior poppet design and provides a variety of port configurations. The JPC Series ...

Abstract: The pilot-operated proportional directional valve is a crucial component in the airplane landing gear retraction system. The time delay of the proportional valve directly affects the ...

Abstract: The characteristics of a hydraulic directional control method for the displacement controlled system are studied. The directional control is realized by the pilot-operated check valve. The ...