Digital guide

You are here:

Woodward 8562-411

  • Product Name: PG Series Pressure-Compensated Hydraulic Governor
  • Product Description: A heavy-duty pressure-compensated hydraulic governor designed for large industrial diesel and gas engines. It provides precise isochronous speed control for generator sets and mechanical drive applications requiring high stability under varying loads.
  • Technical Specifications:
    • Speed Range: 500–2500 RPM (field-adjustable)

Detailed content

    • Control Mode: Isochronous (constant speed) or droop (0–10% adjustable)
    • Hydraulic Pressure: 7–14 bar (100–200 PSI)
    • Power Source: Engine-driven hydraulic pump
    • Operating Temperature: –20 °C to +85 °C
    • Weight: 15 kg
    • Mounting: Direct engine-mounted (standard SAE flange)
  • Key Features:
    • Pressure-compensated design eliminates speed drift under load changes.
    • High force output for large fuel valve control.
    • Built-in overspeed protection mechanism.
    • Field-adjustable speed setpoint and dynamics.
    • Robust construction for high vibration industrial environments.
  • Applications:
    • Large industrial diesel/gas generator sets (500–5000 kW).
    • Marine main propulsion and auxiliary engines.
    • Off-highway equipment (mining, construction) engines.
    • Gas compressor and pump drive engines in oil & gas.
    • Industrial turbine control systems.

You may also like