Woodward 8250-565 ProAct Digital Electric Actuator

Product Brief Introduction The 8250-565 is a ProAct series digital electric fuel control actuator, providing precise fuel metering for industrial gas and diesel engine governing systems.
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Technical Specifications 24 V DC nominal supply; 15 Nm nominal output torque; 90° operating stroke; 100 ms full stroke time; position feedback resolution: 12-bit; operating temperature: -40°C to +85°C; IP65 enclosure rating; brushless DC motor drive.

Functional Features Integral position feedback; brushless motor drive for long life; digital position control loop; zero and span adjustment; overload protection; vibration-resistant construction.

Application Scenarios Industrial engine fuel control, gas engine throttle control, diesel engine fuel rack actuation, generator set governing systems.

Performance Parameters ±0.1% position repeatability; fast step response; high torque density; long maintenance-free service life; stable position under vibration.

Material Composition Die-cast aluminum housing, brushless DC motor, planetary gear train, position feedback sensor, steel output shaft, nitrile shaft seals.

Structural Characteristics Rotary output shaft with keyway; side mounting flange; integrated control electronics; sealed cable entry; standard SAE mounting pattern.

Working Principle Receives position command signal from digital governor, drives brushless motor through gear train to rotate output shaft, and internal position sensor provides feedback for closed-loop position control.




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