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Pilot Operated Flow Control Valves With Analog Interface
Found 2 free book(s)
SERVO VALVES PILOT OPERATED - Moog Inc.
www.moog.comMoog G761/-761 Series Flow Control Servo Valves The G761/-761 Series Flow Control Servo Valves are throttle valves for 3-way and preferably 4-way applications. They are a high performance, 2-stage design that covers the range of rated flows from 0.5 to 75 l/min (0.125 to 19.5 gpm) at 35 bar (500 psi) valve pressure drop per spool land.
Electro-hydraulic Valves - A Technical Look
www.moogvalves.comMoog Directly Operated Valves are mostly driven by a Linear Force Motor and called Direct Drive Valves (DDV). To increase the spool actuation force, the main spool of pilot operated valves is operated hydraulically by a pilot valve. By hydraulically amplifying the electrical command signal, pilot operated valves can reach very high spool actuation