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Woodward 8520-289
Product Name：Mechanical Hydraulic Governor Core Control Unit
Product Introduction：Heavy duty pure mechanical hydraulic governor assembly, without any electronic control components, relying on mechanical flywheel speed sensing and hydraulic power amplification principle to realize automatic speed regulation of prime mover. The unit has ultra strong high temperature resistance, vibration resistance and anti-interference performance, suitable for extreme working environments without power supply support and long term unattended operation.
Detailed content
Technical Specifications
Speed Regulation Range：500RPM to 1600RPM continuous stepless adjustment
Control Mode：Pure mechanical hydraulic isochronous speed control
Output Mode：Rotary mechanical shaft output directly connected to fuel pump mechanism
Internal Hydraulic System：Self-contained oil tank and self-circulating lubrication system
Shell Material：Thick wall cast iron integral casting structure
Working Humidity：5% to 95% non condensing long-term operation
Vibration Resistance：Adapt to engine body high amplitude vibration environment
Functional Features
Completely independent of external power supply, maintaining normal operation in power failure state
Hydraulic damping compensation mechanism restraining speed fluctuation under full load sudden change
External mechanical knob for on-site calibration of rated speed and droop coefficient
No electronic vulnerable parts, ultra long service life and low daily maintenance cost
Built-in mechanical overspeed limit device to prevent engine runaway failure
Sealed dustproof and oil mist proof structure adapting to complex industrial site
Application Scenarios
Low speed large bore diesel generator set
Ocean going ship main propulsion diesel engine
Water conservancy pumping station large power prime mover
Mountain remote field off-grid power station
Oil and gas field field mechanical speed regulation unit
