MOOG servo-proportional control valves D660 D661, D662, D663, D664 D665 Series D661-4469C

In electro-hydraulic servo systems, MOOG Moog valves are mainly used as actuators (see hydraulic servo systems). Compared with electric and pneumatic actuators, hydraulic actuator servo system has the advantages of fast speed, large output power per unit weight, smooth transmission, strong anti-interference ability and so on. Servo systems often require a large number of electrical components when transmitting signals and correcting characteristics. Therefore, the modern high performance servo system also adopts the electro-hydraulic mode, the servo valve is an essential part of this system.