Woodward 8561-836 Speed Control Actuator

Product Brief Introduction Electromechanical actuator for prime mover governing system, used to adjust fuel rack or gas valve position according to governor command to control engine speed and output power.
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Technical Specifications 24VDC control signal; integrated position feedback sensor; high mechanical resolution; wide industrial temperature range.

Functional Features Precise linear stroke regulation, position feedback output, stroke limit protection, anti-jam protection.

Application Scenarios Diesel engine and gas engine speed governing fuel control loops.

Performance Parameters Fast response speed, high positioning repeatability, low hysteresis.

Structural Characteristics Rugged metal housing, internal electromagnetic drive assembly and position transducer, dedicated wiring terminals.

Working Principle Receive control signal from actuator driver, drive internal moving assembly to adjust fuel/gas valve position, and send real-time position signal back to controller to realize closed-loop speed regulation.

Installation Requirements Mount rigidly on engine fuel system; ensure mechanical linkage moves freely without binding.

Usage Notes Calibrate stroke range at commissioning; check mechanical linkage clearance regularly.




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