Woodward 8405-009 Electric Actuator

Applications

The Woodward 8405-009 Electric Actuator is engineered for precise, electrically-driven actuation in turbine, engine, and industrial automation systems. Typical applications include:

• Controlling steam, gas, and hydraulic turbine valves with high accuracy.
• Industrial engines requiring precise mechanical actuation for load and speed regulation.
• Auxiliary and main turbine systems in power generation and cogeneration plants.
• Integration with digital or servo-based controllers for automated process control.
• Systems that demand repeatable positioning and fast response in industrial environments.

Its design ensures consistent and reliable actuation, supporting efficiency and operational safety across diverse industrial applications.

Advantages

• Precision Electric Actuation: Provides accurate and repeatable motion for valves and mechanical linkages.
• Compact and Lightweight: 2.2 kg unit allows flexible mounting even in constrained spaces.
• Durable Industrial Construction: Designed to withstand vibration, shock, and temperature fluctuations.
• Integration-Ready: Compatible with Woodward controllers for seamless system automation.
• Maintenance-Friendly: Simplified wiring and modular design reduce installation and servicing time.

Technical FAQs

1. Which components can this actuator drive?
   Rotary or linear valves, governors, and other turbine or engine mechanical devices.
2. What type of input signals does it accept?
   Digital or analog control signals from compatible Woodward controllers.
3. What is the actuation range?
   Configurable depending on mechanical linkage, typically ±15° to ±90°.
4. How fast is the response time?
   Less than 150 milliseconds under standard operating conditions for precise control.
5. Is it suitable for high-vibration environments?
   Yes, industrial-grade construction ensures reliable performance under mechanical stress.
6. Can it operate in elevated temperatures?
   Rated for continuous operation in temperatures up to 60°C (140°F).
7. Does it support fail-safe operation?
   Yes, can be configured for fail-open, fail-closed, or hold-last-position modes.
8. Is installation and maintenance straightforward?
   Yes, standard mounting brackets and modular wiring simplify setup and servicing.
9. Can it integrate with supervisory systems like SCADA or HMI?
   Yes, position and status feedback are compatible with digital supervisory systems.
10. Does it provide built-in diagnostics?
    When paired with controllers, it supports fault detection, position monitoring, and event logging.