Woodward 8520-835G
Product Name: UG-8 Series Mechanical Hydraulic Governor
Product Introduction: Heavy duty full mechanical hydraulic governor, no need for electric drive and electronic control components, rely on mechanical flywheel and hydraulic amplification principle to realize engine automatic speed regulation, suitable for harsh environment without power supply and long term unattended operation.
Detailed content
Technical Specifications:
Speed regulation range: 700RPM~1500RPM continuous adjustable
Control mode: Pure mechanical hydraulic isochronous constant speed control
Output form: Rotary mechanical shaft output, direct connection to fuel pump rack
Internal hydraulic system: Self contained oil tank, no external hydraulic oil source required
Shell structure: Thick wall cast iron integral shell, impact resistance and corrosion resistance
Ambient humidity: 5%~95% non condensing humidity working environment
Functional Features:
Completely independent of power supply, can work normally in power failure state
Built-in hydraulic damping and compensation mechanism, stable speed under large load fluctuation
External knob adjustable rated speed and static droop coefficient
Strong vibration resistance, high temperature resistance and dustproof performance, adapt to field severe working conditions
No electronic vulnerable parts, ultra long service life, simple daily maintenance
Mechanical overspeed limit protection, prevent engine runaway failure
Application Scenarios:
Large bore low speed diesel generator set
Ocean going ship main propulsion diesel engine
Gas fueled large power industrial prime mover
Remote mountain area and field operation off grid power station
Water conservancy pumping station large power engine drive system












