Woodward 8540-565
- Product Name: 3161 Series Hydraulic Governor Actuator
- Product Description: A robust, self-contained hydraulic actuator designed for the Woodward 3161 governor system. It converts hydraulic pressure into precise mechanical motion to control fuel racks or steam valves on industrial engines and turbines.
- Technical Specifications:
- Actuator Type: Hydraulic, proportional
Detailed content
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- Supply Pressure: 69–138 bar (1000–2000 psi)
- Stroke Length: 50 mm (2.0 in)
- Force Output: 4448 N (1000 lbf) maximum
- Operating Temperature: -20 °C to +85 °C
- Fluid Compatibility: ISO VG 32/46 hydraulic oil
- Enclosure Rating: IP54
- Weight: 18.1 kg (40 lbs)
- Key Features:
- High Force Density: Delivers powerful, precise control for large fuel racks and valves.
- Integrated Hydraulics: Self-contained design eliminates external hydraulic lines, reducing leaks.
- Precision Positioning: Proportional control with <1% hysteresis for accurate flow regulation.
- Durable Construction: Hardened steel components and corrosion-resistant coatings for harsh environments.
- Applications:
- Legacy Power Generation: 3161 governor-equipped diesel/gas generators and steam turbines.
- Marine Propulsion: Large diesel engines for ships and offshore vessels.
- Oil & Gas Engines: High-power gas engines driving compressors and pumps.











