The Woodward 8235-650 Actuator is a high-torque, electrically driven positioning device engineered for precise fuel control in diesel and gas engines. As part of Woodward’s trusted line of industrial actuators, the 8235-650 offers robust performance, fast response, and accurate positioning to ensure optimal engine operation under varying load conditions.

This actuator is designed to interface directly with engine fuel control levers or fuel racks and is typically used in conjunction with electronic speed controls or governors. Its enclosed, rugged housing and industrial-grade construction make it ideal for harsh environmental conditions. The 8235-650 is field-proven for applications demanding stability, reliability, and control responsiveness across diverse engine platforms.

Product Specifications

Product Applications

The Woodward 8235-650 actuator is widely implemented across multiple sectors due to its adaptability, responsiveness, and rugged construction:

• Industrial Diesel Engines: Provides accurate control of fuel injection systems.

• Gas Engines: Used in stationary gensets, compressors, and co-generation units.

• Generator Sets (Gensets): Delivers stable engine speed control in power generation systems.

• Off-Highway Equipment: Implements efficient engine load response in construction or mining vehicles.

• Marine Engines: Ensures precise propulsion engine management in small to mid-size vessels.

• Pump and Compressor Drives: Regulates engine speeds in fluid transfer or air compression applications.

Product Advantages

• High Torque Output: Capable of delivering up to 13 Nm, suitable for medium to heavy-duty fuel control.

• Fast and Precise Movement: Rapid actuation ensures minimal engine lag and efficient load handling.

• Rugged Design: Withstands extreme temperature and vibration in demanding field conditions.

• IP66 Protection: Fully sealed housing prevents ingress of dust and water.

• Flexible Integration: Compatible with most Woodward electronic governors and digital controllers.

• Low Power Consumption: Optimized for extended operation without thermal buildup.

• Easy Installation: Simple mounting options and compact design reduce setup time.

• Maintenance-Free Operation: Sealed construction ensures long-term reliability with minimal upkeep.

• Electromechanical Stability: Provides consistent force and position feedback for closed-loop systems.

• Global Compliance: CE, CSA, and RoHS certifications ensure international usability.

FAQ

1. What type of controller is recommended for the 8235-650 actuator?

   It is commonly paired with Woodward speed controllers such as the 2301A or 2301E.

2. Can the actuator be mounted in any orientation?

   Yes, it supports flexible mounting orientations, but vertical shaft positioning is preferred for gravity assistance.

3. Does the actuator provide position feedback to the control system?

   An optional resistive position sensor is available for closed-loop control.

4. Is the actuator compatible with PWM and analog voltage inputs?

   Yes, it can respond to both PWM and proportional voltage signals.

5. What is the typical stroke length of the 8235-650 actuator?

   The standard stroke length is 38 mm (1.5 inches).

6. Can this actuator handle continuous duty cycles?

   Yes, it is designed for continuous operation under rated loads and thermal conditions.

7. What power supply is required for this actuator?

   It requires a 24 VDC power input.

8. Is field calibration necessary after installation?

   Calibration may be needed depending on system feedback configuration and control logic.

9. Does it support fail-safe operation during power loss?

   No internal fail-safe, but external spring return mechanisms can be integrated if needed.

10. How is electrical noise managed during actuator operation?

    The actuator includes internal suppression components to minimize EMI/RFI emission.