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Governor Actuator Module WOODWARD 8250-565

Governor Actuator Module WOODWARD 8250-565

The WOODWARD 8250-565, also cataloged as the 8250-565 Governor Actuator Module, operates as a dedicated hardware component for mechanical positioning, load compensation, and speed governing within industrial engine control loops.

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Availability: Low stock: 6 left

SKU: 8250-565
Vendor: Woodward
Category: Governor Actuator Module
Related Series:

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The WOODWARD 8250-565, also cataloged as the 8250-565 Governor Actuator Module, operates as a dedicated hardware component for mechanical positioning, load compensation, and speed governing within industrial engine control loops.

Hardware Specifications

Parameter Specification
Model 8250-565
Brand WOODWARD
Origin USA
Weight 5.5 kg
Dimensions 18.00 in (W) x 12.00 in (H) x 12.00 in (D)
Operating Temp -10 to 55 deg C
Power Consumption Standard
Control Type Proportional and Proportional with Compensation
Actuation Mechanism Integrated Oil Pump and Oil Motor

Actuator Loop Feedback Response and Hydraulic Motor Dynamics

The hydraulic assembly generates internal fluid pressure via the integrated oil pump to drive the internal oil motor actuator mechanism. Internal compensation circuitry modulates output shaft torque and stroke velocity relative to incoming speed reference signals. This closed-loop hydraulic mechanism stabilizes actuator loop feedback response under severe load transient conditions, preventing engine hunting while maintaining steady-state speed control.

Frequently Asked Questions

Q: How is thermal heat sink dissipation managed within the electro-hydraulic enclosure?

A: Heat generated by continuous oil pump motor operation and internal hydraulic fluid friction is conducted directly through the aluminum housing structure, relying on surrounding air circulation for thermal heat sink dissipation profiles.

Q: What precautions should be taken regarding hydraulic fluid cleanliness during routine operation?

A: Fluid contamination degrades internal oil pump tolerances and actuator spool valve movement; external filter elements must maintain fluid purity levels to prevent degradation of actuator loop feedback response.

Field Installation Guidelines

  1. Secure the 18.00 x 12.00 x 12.00 in housing to a rigid mounting bracket using high-tensile mounting bolts to resist engine vibration.
  2. Verify that hydraulic reservoir fluid levels and viscosity ratings align with the -10 to 55 deg C operating temperature window prior to initial startup.
  3. Align the output linkage directly to the engine fuel metering valve lever, ensuring zero mechanical binding across the complete stroke length.
  4. Ground the metallic enclosure structure directly to the primary chassis protective earth grid using a dedicated, low-impedance grounding strap.
  5. Provide a minimum of 50 mm perimeter clearance around the unit to facilitate convective thermal heat dissipation.