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Moog G761-3009A Electro-Hydraulic Servo Valve

Technical Specifications:

  • Flow Rate: 38 L/min (at a pressure drop of 70 bar)
  • Maximum Operating Pressure: 315 bar (4500 psi)
  • Frequency Response: 90–180 Hz (±10% signal, -3 dB)
  • Step Response: 6–9 ms (valve spool transitioning from 0 to fully open at 210 bar pilot pressure)
  • Resolution: <0.5%
  • Hysteresis: <3%
  • Signal Range: ±15 mA, ±40 mA, or ±200 mA (configurable)
  • Mounting Interface: ISO 10372-04-04-0-92 (standard for hydraulic systems)
  • Port Configuration: Four-way, three-position throttling for versatile flow control

Detailed content

Functional Characteristics:

  • High Dynamic Performance: The nozzle-flapper pilot stage and mechanical feedback mechanism enable rapid, accurate control of hydraulic parameters (position, velocity, acceleration, force).
  • Low Hysteresis and High Resolution: Minimizes deadband and ensures precise tracking of input signals.
  • Rugged Design: Built to withstand harsh industrial environments, reducing maintenance needs.
  • Compact Form Factor: Optimized for installations with spatial constraints.
  • Safety Compliance: Available in intrinsically safe variants (e.g., G761K) for hazardous environments.

Applications:

  • Material Testing Machines: Precision control of load and displacement during tensile, compression, or fatigue tests.
  • Seismic Simulation Systems: Accurate replication of ground motion profiles for structural testing.
  • Metallurgical Equipment: Flow and pressure regulation in aluminum cold rolling mills and other metal forming processes.
  • Power Generation: Control of hydraulic actuators in hydroelectric turbines and steam valve systems.
  • Industrial Automation: Integration into hydraulic systems for robotics, CNC machinery, and injection molding.

Key Advantages:

  • Reliability: Proven performance in demanding industrial settings.
  • Flexibility: Configurable signal ranges and mounting options adapt to diverse systems.
  • Efficiency: Reduces energy consumption through precise flow control.
  • Global Support: Backed by Moog’s network of technical experts and service centers.

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