MOOG servo valve D661-4384C in stock

Brand: MOOG (USA)

Applications: Chemical, Petroleum, Mining, Road/Rail/Marine, General Industry

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!

Compared to other brands of servo valves, MOOG servo valves offer advantages such as energy saving, zero pollution, strong environmental adaptability, quiet operation, durability, and minimal maintenance, making them suitable for industries with high energy, performance, and environmental requirements.

MOOG servo valves are primarily used as actuators in electro-hydraulic servo systems (see Hydraulic Servo Systems). In servo systems, hydraulic actuators offer advantages over electro- and pneumatic actuators, including faster response, higher power output per unit weight, smoother transmission, and stronger resistance. Conversely, electrical components are often used for signal transmission and calibration in servo systems. Therefore, modern high-performance servo systems also employ electro-hydraulic methods, making servo valves essential components in such systems.

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.

MOOG Servo Valve Working Principle

The MOOG servo valve consists of a permanent magnet torque motor, nozzle, baffle, valve core, valve sleeve, and control chamber. When current is applied to the input coil, the baffle moves to the right, strengthening the throttling effect of the right nozzle, reducing flow, and increasing the back pressure on the right side; simultaneously, it reduces the throttling effect of the left nozzle, increasing flow 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 via the return port and enters 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 a balanced state, 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.

The MOOG servo valve is a key component in electro-hydraulic servo control developed by MOOG Corporation. It is a hydraulic control valve that receives analog electrical signals and outputs modulated flow and pressure accordingly. Electro-hydraulic servo valves have advantages such as fast dynamic response, high control accuracy, and long service life, and are widely used in electro-hydraulic servo control systems in aviation, aerospace, shipbuilding, metallurgy, chemical and other fields.

The MOOG servo valve mainly refers to the electro-hydraulic servo valve, which receives electrical analog signals and outputs modulated flow and pressure accordingly. It is both an electro-hydraulic conversion element and a power amplification element, capable of converting low-power weak electrical input signals into high-power hydraulic energy (flow and pressure) output. In an electro-hydraulic servo system, it connects the electrical and hydraulic parts to realize the conversion of electro-hydraulic signals and hydraulic amplification. Electro-hydraulic servo valves are the core of electro-hydraulic servo systems.

MOOG servo valves are actuators in servo systems that convert electrical signal inputs into high-power pressure or flow-pressure signals. They are electro-hydraulic conversion and power amplification components. Servo valves are highly sensitive and fast, capable of converting very small electrical signals (e.g., 10 mA) into large hydraulic power (e.g., tens of horsepower or more), and can drive various types of loads. In the past, hydraulic amplification devices such as nozzle-baffle valves, jet pipes, or spool valve servo motors were also included in the category of servo valves. Since the 1970s, the term "servo valve" generally refers only to electro-hydraulic servo valves.

D661-4055(P80HABF7VSX2-A)

D661-4640

D661-4636

D661-4059

D661-4060

D661-G35JOAA4NSX2HA

D661-4506C/G23JOAA6VSX2HA

D661-4315C

D661-4577C

D661 G60HOAO4NSD2HA

D661Z571C/H09HOGBENCO7

D661-571C/H09HOGBENCO9

D661-4506C

D661-431D-4

D661-4444C/G60JOAA6VSX2HA

D661-4384C

D661-4469C D661-4341C

D662-4118B

D662-4006/D02HEBF6NSF2-B

D662-4102

D662-4799

D662-4724

D662-P01JAMF6VSX2-A

D662-4014

D662-4014

D662-3710E

D662Z4310K/P02JXMF6VSX2-A

D662-4010

D662-4337K/P02HAMF6VSX2-A

D662-4127

D662-4011

D662-4050

D662-4015

D662-4355K

D662-4002 D662Z397K

Our company primarily deals with European and American brands, and can source brands from any European country. For example, our key German brands include: FESTO, BURKERT, BOSCH-REXROTH, IFM, TURCK, P+F, BALLUFF, SICK, HIRSCHMAN, MURR, HYDAC, GSR, CROUZET, E+H, PILZ, HAWE, SIEMENS, STAUFF, EUCHNER, EMG, UNIVER, ATOS, NORGREN, and approximately 500 other European brands of varying sizes. We have cooperative relationships with these companies. We also have companies in the US, and cooperate with approximately 200 brands, including ASCO, Vickers, MAC, Parker, MOOG, Fairchild, Denison, Ross, UE, MTS, and GEFRAN.

We have distribution rights for Japanese brands, such as CKD, TOYOOKI, NACHI, DAIKIN, SMC, KOGANEI, TACO, NOK, and TOKIMEC.

Our business scope includes:

Hydraulic components:

Solenoid directional valves, directional valves, check valves, stack valves, relief valves, counterbalancing valves, proportional valves, manual directional valves, flow valves, pressure reducing valves,

Throttle valves, pressure control valves, back pressure valves, filling valves, flow dividers, shuttle valves, pressure relays, cartridge valves, pneumatic valves, piston pumps,

Gear pumps, vane pumps, cycloidal hydraulic motors, oil coolers, hydraulic cylinders, etc.;

Pneumatic components:

Air source processor assemblies, filters, pressure regulating valves, oil feeders, solenoid valves, pneumatic valves, angle seat valves, manual valves, hand-operated valves, foot valves,

Mechanical valves, check valves, vacuum generators, cylinders, magnetic switches, shock absorbers, pressure gauges, quick couplings, floating couplings,

Pressure gauge switches, water coolers, electric positioners, PU tubing, vacuum suction cups, oil filters, vibrators;

Electrical components:

Relays, sensors, converters, proximity switches, encoders, programmable logic controllers (PLCs); The company maintains a large inventory, with standard parts readily available. To better serve customers across various industries, the company also distributes other spare parts, utilizing professional sourcing channels and offering reasonable prices.

The company's products are widely used in industrial machinery, machine tools, plastics machinery, shoe machinery, brick machinery, metallurgy, mining, chemical industry, papermaking, coal industry, shipbuilding, power generation, construction machinery, environmental protection machinery, and many other fields.