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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.

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