Woodward A8521-399 Mechanical Hydraulic Governor

Product Brief Introduction Mechanical hydraulic governor for large diesel engine and marine prime mover speed control.
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Technical Specifications Mechanical hydraulic driving mode, adjustable speed range. Operating temperature: -20℃ ~ +85℃.

Functional Features Mechanical closed-loop speed regulation, speed droop adjustment, emergency shut-off function.

Application Scenarios Large diesel generator set, marine main engine speed control.

Performance Parameters Robust mechanical structure, excellent vibration resistance, stable control under heavy load.

Structural Characteristics Alloy cast housing, built-in flyweight assembly, hydraulic valve and oil passage.

Working Principle Flyweight assembly senses rotating speed, adjusts hydraulic oil flow to push power piston and change fuel rack position.

Installation Requirements Align governor shaft with engine crankshaft, guarantee clean and stable hydraulic oil supply.

Usage Notes Keep hydraulic oil clean, regularly check oil leakage and flyweight wear.




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