MOOG D682Z4805 Electro-Hydraulic Servo Valve

Digital guide

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.

Functional Characteristics

High Precision Control: The MOOG D682Z4805 provides exceptional control accuracy, enabling precise positioning and motion control in hydraulic systems. This is critical in applications requiring tight tolerances and repeatability.
Fast Response Time: Its rapid response to electrical input signals ensures quick adjustments to hydraulic flow and pressure, minimizing system lag and improving overall performance.
Robust Construction: The valve’s durable design, featuring high-quality materials and precision manufacturing, ensures reliable operation even in demanding industrial environments.
Versatility: It supports a wide range of hydraulic fluids, including mineral oils, synthetic fluids, and water-glycol mixtures, making it adaptable to various system requirements.
Easy Integration: The valve is designed for easy integration into existing hydraulic systems, with standard mounting interfaces and electrical connections.

Application Scenarios

Aerospace: In aircraft flight control systems, the MOOG D682Z4805 ensures precise control of flight surfaces, such as ailerons, elevators, and rudders, enhancing flight safety and maneuverability.
Automotive Testing: It is used in automotive test rigs for simulating driving conditions and testing vehicle components, such as suspension systems and steering mechanisms.
Industrial Machinery: The valve plays a crucial role in controlling hydraulic actuators in metal forming machines, plastic injection molding machines, and presses, ensuring accurate and consistent operation.
Power Generation: In hydroelectric power plants, it regulates the flow of water to turbines, optimizing power generation efficiency. In wind turbines, it controls pitch and yaw systems for optimal energy capture.
Marine Applications: The valve is employed in ship steering systems and stabilizer controls, providing reliable and precise hydraulic power for safe navigation.
Robotics: It enables precise control of hydraulic actuators in industrial robots and automated machinery, facilitating complex motion sequences and high-precision tasks.