Digital guide
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Woodward 8407-527
Product Name: Electro-Hydraulic Actuator (EG Series)
Product Introduction: A robust electro-hydraulic proportional actuator designed for medium-to-large bore diesel and gas engines, converting 4–20 mA control signals into precise mechanical motion for fuel flow regulation. It integrates a self-contained hydraulic system for reliable operation.
Detailed content
Technical Specifications:
- Input Signal: 4–20 mA (proportional control)
- Output Torque: 25 N·m (18.4 lb-ft) maximum
- Rotation Angle: 0–90 degrees (adjustable travel limits)
- Hydraulic System: Self-contained, integral pump and reservoir
- Power Supply: 24 VDC (18–32 VDC)
- Operating Temperature: -40 °C to +85 °C
- Enclosure: Cast iron, IP54 protection grade
- Weight: 18 kg
- Shaft Diameter: 25 mm (standard fuel pump connection)
Functional Features:
- Precise proportional control of fuel flow for medium-to-large engines
- Self-contained hydraulic system (no external oil supply required)
- High torque output for large fuel pump and valve actuation
- Adjustable rotation angle and travel limits for equipment protection
- Sealed hydraulic chamber prevents oil leakage and contamination
- Resists high vibration and mechanical shock in engine compartments
- Compatible with Woodward PG, PGA, and PSG series governors
Application Scenarios:
- Large-bore diesel generator sets (1000–3000 kW)
- Marine main propulsion diesel engines
- Oil and gas field gas compression unit prime movers
- Heavy-duty industrial engine fuel regulation systems
- Power generation engine speed and load control
