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Moog D661-4203 Pilot-Operated Servo Valve

  • Product Introduction: As part of the Moog D661 series, it is a pilot-operated servo valve with integrated electronics and analog interfaces. The spool of the valve slides in the sleeve and is controlled by hydraulic pilot operation. The design ensures high precision, excellent static and dynamic performance, and is suitable for the most demanding application scenarios, providing high dynamic performance to meet the precise control needs of hydraulic systems.

Moog D663-Z4307K/P0 Servo Proportional Valve

  • Product Introduction: It belongs to the Moog D660 series servo proportional valves and is a pilot-operated proportional valve for analog signals. The valve can be configured as a two-stage or three-stage valve according to the dynamic performance requirements of the application. It has the characteristics of high rated flow, excellent dynamic response, and reliable operation, and can be applied to various electro-hydraulic control systems to achieve precise control of flow, position, speed, pressure, or force.

Moog D684Z4826 Pilot-Operated Proportional Valve

  • Product Introduction: It is a member of the Moog D68x series proportional valves, which are pilot-operated proportional valves integrating electronics and analog interfaces. The spool of this valve is directly installed in the valve housing and controlled by hydraulic pilot operation. It adopts Mini DDV as the pilot valve, which has excellent dynamic performance and high efficiency. The valve is designed for high-demand industrial applications, with high functional flexibility and excellent dynamic response, and can meet the precise control requirements of various complex hydraulic systems.

MOOG D682Z4805 Electro-Hydraulic Servo Valve

Technical Specifications

  • Nominal Flow Rate: The valve typically offers a nominal flow rate ranging from 10 to 60 liters per minute (l/min), depending on the specific model and operating conditions. This ensures sufficient hydraulic power for a wide range of applications.
  • Pressure Rating: It is designed to operate at pressures up to 350 bar (5,075 psi), allowing it to handle high-pressure hydraulic systems commonly found in heavy machinery and industrial equipment.
  • Input Signal: The valve accepts standard electrical input signals, such as ±10 mA or ±20 mA, for precise control of valve position and hydraulic output.
  • Hysteresis: It exhibits low hysteresis, typically less than 1%, ensuring minimal deviation between increasing and decreasing input signals and consistent performance.
  • Frequency Response: The valve has a high-frequency response, often exceeding 100 Hz, enabling rapid and accurate adjustments to changing load conditions.
  • Leakage: Internal leakage is minimized, usually less than 1% of the nominal flow rate, reducing energy losses and improving system efficiency.
  • Environmental Protection: It is built to withstand harsh environmental conditions, with options for corrosion-resistant materials and seals to prevent contamination and extend service life.

Moog D661-4594C G75KXAA5VSX2HA

  • Product Introduction: This is a high-performance proportional flow control servo valve belonging to the Moog D661 series. It has an ultra-large flow valve body flow channel design, and the pilot stage can be externally controlled and drained using ports X and Y. The valve adopts a fail-safe design, which ensures that the spool can still operate in cases such as short circuits, power failures, or oil source pressure loss, thus ensuring system reliability.

Moog D633-322B Direct-Driven Servo Valve

  • Product Introduction: This product is part of the Moog D633 series of direct-operated servo valves. It has the same basic design concept and structural characteristics as the Moog D633-342B. It integrates electronics and an analog interface, adopts a permanent magnet linear motor for direct drive, and has the advantages of high precision, high efficiency, and high reliability.

Moog D633-342B Direct-Driven Servo Valve

  • Product Introduction: It belongs to the Moog D633 series, which is a direct-operated servo valve with integrated electronics and an analog interface. The servo valve adopts a direct drive method with a permanent magnet linear motor, which directly drives the spool to move without the need for pilot oil. It is designed to meet the high-demand requirements of customers, with high functional flexibility, pressure-independent dynamic performance, high driving force, and low power consumption.

Moog D663-317K Servo Valve

  • Product Introduction: This is a servo valve of the Moog D663 series, made of cast iron. It has the structural characteristics of a spool zero-notch and a spool valve body/spool valve sleeve assembly, and can realize valve functions such as Q, P, and PQ control. It is equipped with special nozzle sizes, coil assemblies, and torque motors, and can be selected according to actual operating pressure, valve size, and large flow requirements.

Moog D663-5002 Pilot-Operated Proportional Valve

  • Product Introduction: It is a member of the Moog D663 series, which is a pilot-operated proportional valve. This series of valves is designed with demanding industrial applications in mind, featuring high functional flexibility and excellent dynamic performance. The valve adopts a pilot-operated structure, which can achieve higher flow rates and has a variety of different fail-safe options.

Moog D6614695C Pilot-Operated Servo Valve

  • Product Introduction: This product is highly similar to the Moog D661-4695C and also belongs to the D661 series of pilot-operated servo valves. It integrates electronics and an analog interface, adopting a hydraulic pilot-operated spool structure. This structure enables the valve to have high control accuracy and stable dynamic performance, and it can operate stably in complex industrial environments.

Moog D661-4695C Pilot-Operated Servo Valve

  • Product Introduction: It belongs to the Moog D661 series, which is a pilot-operated servo valve with integrated electronics and an analog interface. The spool of this servo valve slides in a bushing and is hydraulically pilot-operated. This design ensures much higher accuracy and extremely excellent static and dynamic performance, making it capable of meeting the requirements of high-demand applications with its high dynamic performance.

Moog D661-4064 Servo Valve

  • The Moog D661-4064 is a high-performance electro-hydraulic servo valve designed for precision control in industrial automation, aerospace testing, and heavy machinery. It integrates advanced Servo Jet™ technology for enhanced dynamic response and reliability. This valve is engineered to handle high-pressure environments while maintaining stable flow and pressure regulation.