MOOG servo valve MOD-760K645B in stock.
$420.35
MOOG servo valves from the USA are widely used in electro-hydraulic position, velocity, acceleration, and force servo systems, as well as servo vibration generators. They feature small size, compact structure, high power amplification factor, high control precision, good linearity, small dead zone, high sensitivity, good dynamic performance, and fast response speed.
Brand: MOOG (USA)
Application Areas: Chemical, Petroleum, Automotive & Parts, Electrical, General
Our company maintains a large inventory of MOOG servo valves. New and existing customers are welcome to contact us for pricing, delivery times, and product specifications. We are committed to providing you with the best service and ensuring your satisfaction!
MOOG servo valves primarily refer to electro-hydraulic servo valves. Upon receiving an electrical analog signal, they output modulated flow and pressure. They function as both electro-hydraulic conversion elements and power amplifiers, converting low-power, weak electrical input signals into high-power hydraulic energy (flow and pressure) output. In an electro-hydraulic servo system, they connect the electrical and hydraulic components, achieving electro-hydraulic signal conversion and hydraulic amplification. The electro-hydraulic servo valve is the core of the electro-hydraulic servo system control.
MOOG Servo Valve Principle:
The MOOG servo valve consists of a permanent magnet torque motor, nozzle, baffle, valve core, valve sleeve, and control chamber (see figure). When current flows through the input coil, the baffle moves to the right, strengthening the throttling effect of the right nozzle, reducing the flow rate, and increasing the back pressure on the right side; simultaneously, it reduces the throttling effect of the left nozzle, increasing the flow rate, and decreasing the back pressure on the left side. The forces at both ends of the valve core become unbalanced, causing the valve core to move to the left. High-pressure oil flows from S to C2, delivering it to the load. Load return oil flows through C1 and the return port, entering the oil tank. The displacement of the valve core is proportional to the input current of the torque motor. The hydraulic pressure acting on the valve core is balanced by the spring force; therefore, in equilibrium, the differential current of the torque motor is proportional to the displacement of the valve core. If the input current is reversed, the flow rate is also reversed. The table shows the classification of servo valves.
Moog servo valves are mainly used as actuators in electro-hydraulic servo systems (see Hydraulic Servo Systems). In servo systems, hydraulic actuators, compared to electro- and pneumatic actuators, have advantages such as faster response, higher power output per unit weight, smoother transmission, and stronger anti-interference capabilities. On the other hand, electrical components are often used in servo systems for signal transmission and characteristic correction. Therefore, modern high-performance servo systems all employ electro-hydraulic methods, and servo valves are essential components of such systems.
MOOG servo valves have a relatively complex structure, high cost, and high requirements for oil quality and cleanliness. New servo valves are attempting to overcome these drawbacks, for example, by utilizing electrostrictive elements, which greatly simplifies the structure. Another direction is the development of special working oils (such as electroviscous oils). These working oils can change their viscosity coefficient under electromagnetic influence. This property allows for direct control of oil flow via electrical signals.
MOOG servo valves are mainly used as actuators in electrohydraulic servo systems (see Hydraulic Servo Systems). In servo systems, hydraulic actuators, compared to electro- and pneumatic actuators, have advantages such as faster response, higher power output per unit weight, smoother transmission, and stronger anti-interference capabilities. On the other hand, electrical components are often used for signal transmission and characteristic correction in servo systems. Therefore, modern high-performance servo systems all employ electro-hydraulic methods, and servo valves are essential components of such systems.
MOOG servo valves mainly refer to electro-hydraulic servo valves, which, upon receiving an electrical analog signal, output modulated flow and pressure accordingly. It functions as both an electro-hydraulic conversion element and a power amplifier, converting low-power, weak electrical input signals into high-power hydraulic energy (flow and pressure) output.
Compared to other brands of servo valves, MOOG servo valves offer advantages such as energy saving, zero pollution, strong environmental adaptability, quiet operation, durability requiring minimal maintenance, and suitability for specialized industries with high demands on energy efficiency, performance, and environmental friendliness.
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MOOG Servo Valve D631-404C The company mainly deals with European and American brands and can source brands from any European country. For example, our key German brands include: BURKERT, DEMAG, HAWE, REXROTH, HYDAC, PILZ relays, FESTO, IFM sensors, E+H, HEIDENHAIN, P+F sensors, SICK, TURCK, and HIRSCHMANN industrial switches. German brands: Hengstler, Murr, Schmersal, Samson, EPRO (Emerson Group)
American brands: MOOG, ASCO, MAC, NUMATICS, PARKER, VICKERS, ROSS
British brands: Norgren
Italian brands: OMAL, ATOS, CAMOZZI, UNIVER, Camozzi
