MOOG servo valve D633-308B in stock

Brand

MOOG/American Moog

Application Areas

Environmental Protection, Biotechnology, Petroleum, Pharmaceuticals/Biopharmaceuticals, General Industry

MOOG Servo Valves, MOOG Piston Pumps, MOOG Controllers, Moog Servo Valves, Moog Piston Pumps, Moog Controllers

MOOG servo valves are mainly used as actuators in electro-hydraulic servo systems (see Hydraulic Servo Systems). In servo systems, hydraulic actuators, compared to electric 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 also adopt electro-hydraulic methods, and servo valves are essential components of such systems.

MOOG servo valves mainly refer to electro-hydraulic servo valves, which, after receiving electrical analog signals, output modulated flow and pressure accordingly. They are both electro-hydraulic conversion elements and power amplification elements, capable of converting low-power, weak electrical input signals into high-power hydraulic energy (flow and pressure) output.

Working Principle of MOOG Servo Valves

The MOOG servo valve consists of a permanent magnet torque motor, nozzles, baffles, 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 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. The load return oil flows through C1 and into 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 the electro-hydraulic servo control system 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 offer advantages such as fast dynamic response, high control precision, and long service life, and are widely used in electro-hydraulic servo control systems in fields such as aviation, aerospace, shipbuilding, metallurgy, and chemical engineering.

MOOG Servo Valves

D633-317B

D633-308B

D633-302B

D633-7243

D633-471B

D633-525B

D633-204

D633-333B

D633-231A replaced by D633-375B

D633-7398

D633-R16KO1MOVSS2

D633-498B

D633-509B

D633-303B (5L flow rate) R02KO1M0NSM2

D633-317B (10L flow rate) R04KO1M0NSM2

D633-308B (20L flow rate) R08KO1M0NSM2 D633-313B (40L flow rate) R16KO1M0NSM2

D633-312B/R08K01MONSS2

D633-442B-RO2KO1FONSS2

D633-526B/R02KO1DONSP2

D633-419B/R16KO1FONSP2

D633-473B/R08K01F0VSX2

D633-500B/R02K01MOVSX2

D633-314A/E02K01M0NSP2

D633-333B-R16KO1FONSS2

D633-442B-R16KO1DOVSS2

D633-R04KO1MOVSS2 D633-D2500B/RXXKX1FONSS2

D633-D2501B/R04KD1MONSM2

D633-362B/R16KO1F0NSM2

D633-318B

D633-399B

D633-447B

D633-455B

D633-545B

D633-7205 67

D633-255A/R16KO1MON6M2

D633-460B

D633-410B R01KX1M0NSS2

D633Z371B/R16KA1M0NSX2

D633-564B/R16KO1F0VSS2

D633E714A D633-472B/R04KO1F0VSX2

D634-319C/R40KO2M0NSP2

D634-301C

D634-533

D634-501A

D634-538A

D634-543A /R40K02F3VSP2

D634-514A R40KO2F0VSP2

D634-528A

D634-314C

D634-346C

D634-383C/R24K02MONSX2

D634-371C

D634-341C

D634-Z510

D634-391C

D634-1035,P60KA6F3VSM2

D634-317C D634Z1020/P24KA6M0VSX2

D663-339NC/P03HXMMFNVB0

D663-4002

MOOG Valve Company was founded over fifty years ago, initially designing and supplying aircraft and components. Today, the company's motion control technology is widely used in numerous markets and applications, including civil aircraft cockpits, generator fans, Formula One racing, and medical infusion systems, effectively improving the performance of related products. The company's history originates from its founder, William C. Moog, an inventor, entrepreneur, and visionary. In 1951, Bill Moog successfully developed the electro-hydraulic servo valve, a device that converts weak electrical pulses into precise and powerful motion. In July 1951, Bill Moog, the Art brothers, and Lugheye rented a corner of the abandoned Proner Airport in East Aurora, New York, and founded the MOOG Valve Company.

MOOG is a global designer, manufacturer, and integrator of precision motion control products and systems. MOOG's high-performance systems control commercial aircraft, satellites and spacecraft, launch vehicles, industrial machinery, wind power, marine applications, and medical equipment.

MOOG Categories

MOOG Valves, MOOG Servo Valves, MOOG Servo Motors, MOOG Controllers, MOOG Servo Drives, MOOG Electro-hydraulic Servo Valves, MOOG Piston Pumps

MOOG

MOOG

Company History

In the 1970s, MOOG entered the growing market for injection and blow molding process control technologies. Due to its significant involvement in the US space program, the company won a hardware supply contract for the Space Shuttle. The Space Shuttle made its maiden flight in 1981, utilizing the company's pioneering fly-by-wire control technology.

MOOG Servo Valves

MOOG Servo Valves

In 1988, Robert T. Brady, president of MOOG's aircraft division, was appointed CEO. Sales reached 2.82 billion in 1989. $100 million. The company established operations in India in the mid-1990s. Our major acquisition was the purchase of Allied Signal's aircraft business in Torrance, California. By the end of 1999, the company's revenue exceeded $630 million.

In 2001, MOOG received a $50 million contract for the refurbishment of the Space Shuttle and moved from the American Stock Exchange to the New York Stock Exchange. We are the designer and supplier of flight control systems for Lockheed's F-35 fighter jet and a major supplier of flight control components for Boeing's 787 Dreamliner program.

In 2004, the company's revenue surpassed the $900 million mark, and it completed another major acquisition, acquiring Litton Poly-Scientific and renaming it MOOG Components Group. The company's annual sales exceeded $1 billion.

MOOG Founder: Bill Mooger Innovation extends far beyond product design. From the outset, we firmly believed that the workplace should be a special place. We believed that people are more creative, focused, and productive in a work environment where they feel trusted, respected, and rewarded. This philosophy later became known as the "Moog philosophy," and it continues to guide our company today. "In an atmosphere of mutual trust and confidence, work becomes a more rewarding and fulfilling experience for everyone."

Moog's main industry markets in China include plastics machinery manufacturing, power generation, heavy industry, aerospace, and automotive testing. Moog China is our center for automotive testing solutions development and electromechanical pitch control system manufacturing in Asia.

Moog's official sales channel: Moog China

Moog products are widely used in various industries worldwide, including steel, aerospace simulation and testing, automotive testing and simulation, energy, industrial machinery, and digital virtual simulation dental training systems, becoming a trusted brand among users.