Woodward M8559-789
- Product Name: PGA Series Pneumatic Governor (Marine-Grade)
- Product Description: Heavy-duty pneumatic governor optimized for marine and offshore diesel/gas engines, using compressed air for precise speed regulation and fuel control in corrosive environments.
- Technical Specifications:
- Speed Range: 400–1200 RPM (adjustable)
Detailed content
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- Air Supply Pressure: 14.5–72.5 PSI (1.0–5.0 bar)
- Speed Droop: 0–6% (adjustable)
- Actuator Type: Reinforced pneumatic diaphragm
- Operating Temperature: -20 °C to +85 °C
- Weight: 6.8 kg
- Key Features:
- Marine-Grade Construction: Epoxy-coated housing and stainless steel components resist saltwater corrosion.
- High Torque Output: Delivers force for large fuel injection pumps in marine engines.
- Pneumatic Operation: Functions without electricity, suitable for hazardous marine areas.
- Vibration & Shock Resistance: Reinforced design withstands marine engine vibration and rough seas.
- Easy Maintenance: Simple mechanical design with corrosion-resistant parts for reduced upkeep.
- Applications:
- Marine main propulsion engines (ships, ferries, offshore vessels)
- Offshore platform generator sets and pump drives
- Coastal and inland waterway auxiliary engines












