Moog D634-501A Servo Valve
Technical Specifications:
- Flow Rate: Adjustable depending on configuration.
- Pressure Rating: Up to 315 bar.
- Response Time: Less than 10 milliseconds for step response.
- Frequency Response: Up to 100 Hz.
- Temperature Range: Environment temperature: -20°C to +60°C; Oil temperature: -20°C to +80°C.
- Seal Material: Nitrile rubber (other materials available upon request).
- Working Medium: Petroleum-based hydraulic oil with a viscosity of 15-100 MM²/S (allowable value: 5-400 MM²/S).
Detailed content
Functional Characteristics:
- High precision and repeatability for accurate motion control.
- Electrical zero position adjustment for safe operation during power failure or cable damage.
- Robust design for long-term reliability in harsh conditions.
Application Scenarios:
- Electro-hydraulic position, speed, pressure, or force control systems.
- High dynamic response systems requiring precise control.
- Aerospace and defense systems.
- Industrial automation and machinery.











