Woodward 8561-911 Electromechanical Actuator

Product Brief Introduction Heavy-duty electromechanical actuator for large prime mover governing applications, designed to regulate fuel or gas flow, matched with Woodward digital governor to realize speed and load closed-loop control.
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Technical Specifications 24VDC control power; built-in position feedback transducer; reinforced mechanical structure, wide operating temperature range.

Functional Features High torque stroke adjustment, real-time position feedback, upper/lower stroke limit protection, overload protection.

Application Scenarios Large-bore gas engine and heavy-duty diesel engine fuel/gas governing systems.

Performance Parameters High output torque, fast response, stable positioning under heavy vibration environment.

Structural Characteristics Thick metal protective housing, internal high-torque transmission structure, dedicated terminals for control and feedback wiring.

Working Principle Receive drive signal from driver board, output mechanical displacement to adjust fuel valve opening, and feed back real-time stroke position signal to controller for closed-loop governing.

Installation Requirements Firmly fixed on fuel valve assembly; ensure mechanical connection free of stuck movement; use shielded cable for feedback signal.

Usage Notes Complete zero and full stroke calibration on commissioning; inspect mechanical wear and connector tightness periodically.




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