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Woodward C8574-866

  • Product Name: PGD Series Hydraulic Governor (Self-Contained)
  • Product Description: Self-contained hydraulic governor for diesel engines and steam turbines, integrating an oil pump, hydraulic amplifier, and control mechanism for precise, all-mechanical speed regulation.
  • Technical Specifications:
    • Speed Range: 300–1200 RPM (adjustable)

Detailed content

    • Hydraulic Oil Pressure: 130–180 PSI (9.0–12.5 bar)
    • Speed Droop: 0–6% (adjustable)
    • Actuator Output: Rotary (30° travel)
    • Operating Temperature: -10 °C to +85 °C
    • Weight: 7.7 kg
  • Key Features:
    • Self-Contained Hydraulics: Built-in oil pump eliminates external hydraulic supply needs.
    • Isochronous Operation: Maintains constant speed regardless of load (single-unit use).
    • All-Mechanical Reliability: No electronics, ideal for extreme temperatures and EMI environments.
    • Manual Speed Adjustment: Front-panel dial for local setpoint changes.
    • Vibration Resistance: Cast-iron housing withstands engine vibration.
  • Applications:
    • Industrial diesel generators (500 kW–5 MW)
    • Steam turbine speed control in process plants
    • Remote power sites with no electrical infrastructure

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