The Woodward 8405-223 Electric Powered Actuator and Driver is an advanced electromechanical device designed to control fuel flow and mechanical positioning in industrial engines and turbines. Combining an actuator and driver into one integrated system, this product eliminates the need for separate electronic drivers, reducing system complexity and improving reliability.

This actuator provides precise position control through an electric drive mechanism, ensuring rapid response to input commands. It is designed for heavy-duty industrial applications such as power generation, oil & gas operations, and marine propulsion systems, where accurate control of valves, dampers, or fuel racks is required.

Its rugged construction, wide operating range, and fault-protection features make the 8405-223 a trusted choice for demanding environments where performance consistency is critical.

Product Specifications

Applications

The Woodward 8405-223 Electric Powered Actuator and Driver is designed for applications requiring precision actuation and durable performance:

• Power Generation – Controls turbine fuel valves and dampers for stable output.

• Oil & Gas – Provides precise valve actuation for drilling and refining processes.

• Marine Propulsion – Regulates engine fuel flow and actuator mechanisms on ships.

• Industrial Engines – Optimizes fuel rack positioning for combustion engines.

• Process Automation – Integrates into systems requiring mechanical motion control.

• Utility Systems – Ensures reliable actuation in standby and distributed power systems.

Advantages

• Integrated Driver – Reduces system complexity by combining actuator and driver.

• High Accuracy – Provides ±1% positioning accuracy for precise control.

• Fast Response – Delivers real-time actuation to match rapid system demands.

• Enhanced Protection – Built-in safeguards against electrical and thermal faults.

• Versatile Interfaces – Supports both analog and digital inputs for flexibility.

• Rugged Design – Engineered for harsh industrial and marine environments.

• Simplified Installation – Compact, integrated design minimizes wiring and components.

• Long-Term Reliability – Durable construction ensures consistent performance in critical applications.

FAQ

1. What type of control signals can the 8405-223 accept?

   It accepts both analog (4–20 mA) and digital input signals.

2. Does the actuator provide position feedback?

   Yes, it includes an integrated feedback sensor for closed-loop control.

3. What is the positioning accuracy of this actuator?

   It achieves ±1% accuracy under rated conditions.

4. Can the actuator be directly mounted on turbine or engine systems?

   Yes, it supports flange or base mounting for integration.

5. How does the actuator handle overload or fault conditions?

   It has built-in overvoltage, short-circuit, and thermal protection features.

6. Is the actuator suitable for high-speed response applications?

   Yes, it is designed for fast response in dynamic environments.

7. Can the 8405-223 operate in harsh industrial conditions?

   Yes, it is built with rugged materials to resist vibration, heat, and contaminants.

8. Does it require an external driver module?

   No, the driver is integrated within the actuator itself.

9. Is it compatible with modern automation systems?

   Yes, it supports analog/digital signals and can interface with fieldbus systems.

10. What type of cooling does the actuator require?

    It is designed for natural convection cooling without external cooling needs.