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Woodward 8251-429
- Product Name: Proportional Electro-Mechanical Actuator
- Product Overview: A high-thrust, linear proportional actuator that converts an electrical control signal into a precise mechanical displacement. It is designed to drive fuel racks, steam valves, and other flow-control elements in engines and turbines.
- Technical Specifications:
- Control Signal: 4–20 mA / 0–10 VDC
Detailed content
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- Stroke: 50 mm (standard)
- Thrust: 200 N (continuous)
- Power Supply: 24 VDC ±10%
- Operating Temperature: -30°C to +80°C
- Mechanical Life: 10 million full strokes
- Functional Features:
- Integrated position feedback for closed-loop accuracy.
- High linearity and fast dynamic response.
- Sealed aluminum alloy housing for moisture and dust protection.
- Overtravel protection to prevent mechanical damage.
- Compatible with Woodward governors for seamless integration.
- Application Scenarios:
- Fuel injection pump control for large diesel engines.
- Steam valve actuation in turbine governing systems.
- Gas fuel valve control for industrial gas turbines.
- Damper and baffle control in industrial boilers.
