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Woodward 8574-696

Product Name: Heavy-Duty Hydraulic Governor Actuator

Product Introduction: A robust hydraulic actuator for Woodward PG/PGA series governors, converting hydraulic pressure into mechanical motion to drive fuel control valves. Engineered for high torque and durability in large-bore diesel/gas engines and steam turbines, ensuring precise fuel regulation under extreme load conditions.

Detailed content

Technical Specifications:
  • Actuator Type: Hydraulic rotary actuator
  • Output Torque: 40–60 Nm (maximum)
  • Hydraulic Input Pressure: 7–14 MPa (1000–2000 psi)
  • Rotation Angle: 0–90 degrees (adjustable)
  • Fluid Compatibility: ISO VG 46 hydraulic oil
  • Operating Temperature: -20 °C to +85 °C
  • Material: High-strength alloy steel, cast iron housing
  • Weight: 22 kg
  • Shaft Diameter: 25 mm (standard fuel pump connection)

    Functional Features:

  • High torque output for large fuel pump and valve actuation
  • Precise hydraulic control for accurate fuel flow regulation
  • 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
  • Easy installation and connection to fuel control linkages
  • Long service life with minimal maintenance

    Application Scenarios:

  • Large-bore diesel generator sets (1000–5000 kW)
  • Marine main propulsion diesel engines
  • Oil and gas field gas compression unit prime movers
  • Steam turbine fuel and steam control valve actuation
  • Heavy-duty industrial engine fuel regulation systems

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