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The Woodward 9907-1726 is not a governor itself, but rather a specific actuator component designed to work with various Woodward control systems, particularly in turbine applications. It’s often associated with V45TD series actuators.
WOODWARD 9907-1726: V45TD Series Actuator
The Woodward 9907-1726 is a part number for a specific configuration of a V45TD series electro-hydraulic actuator. Actuators are crucial components in control systems, translating electrical signals from a governor or controller into precise mechanical movement to regulate parameters like fuel flow, steam valve position, or blade pitch in a turbine.
Product Overview
- Product Type: Electro-Hydraulic Actuator
- Manufacturer: Woodward
- Actuator Series: V45TD
- Specific Configuration: V45TD-1010-MUE2 (or similar, based on varying catalog entries, but consistently a V45TD variant)
- Operation: Double Acting
- Stroke / Travel: Often associated with a stroke of 102 mm (4 inches)
- Force/Work Output: Typically designed for specific force requirements to operate control valves.
- Environmental Rating: Often Zone 2 rated (ATEX compliant) for use in potentially explosive atmospheres.
Detailed Description
The V45TD series actuators are known for their robust design and high precision, making them ideal for critical control applications in industrial turbines and engines. The “MUE2” (or “MUEXM”) in the extended part number indicates specific features such as mounting, electrical connection type, and explosion protection.
Key features of the V45TD actuator series, which the 9907-1726 belongs to, include:
- Electro-Hydraulic Operation: It receives an electrical command signal (e.g., current or voltage) from a governor (like a MicroNet or Atlas controller) and uses internal hydraulics to generate a proportional mechanical output.
- Double Acting: This means the actuator can be actively driven in both directions (extend and retract) by hydraulic pressure, providing precise control for both opening and closing of a valve.
- High Force Output: V45TD actuators are capable of generating significant force to operate large or stiff control valves that regulate fuel, steam, or other process flows.
- Fast Response: Designed for quick and accurate response to control signals, essential for maintaining stable speed and load in dynamic operating conditions.
- Reliability and Durability: Built to withstand harsh industrial environments, ensuring long-term, reliable performance.
- ATEX/Zone 2 Compliance: Many configurations, including likely the 9907-1726, are designed for use in hazardous areas where flammable gases or dust may be present.
Applications
The Woodward 9907-1726 (V45TD Actuator) is typically used in various critical control loops for:
- Industrial Gas Turbines: Controlling fuel gas or liquid fuel valves, inlet guide vanes, or exhaust guide vanes.
- Steam Turbines: Operating steam admission valves, extraction valves, or other steam flow control elements.
- Compressor and Pump Control: Regulating the flow or speed in systems driven by turbines or large engines.
- Power Generation: Integral to the precise control of turbine-generators for stable grid operation.
Related Products/Series
The 9907-series from Woodward generally encompasses various control system components, including specific actuator configurations and sometimes even digital governors or software licenses (like for GAP software, as seen in search results). Other part numbers in this actuator family might include:
- 9907-1728: V45TD-1207-FUEXM-X-S-X (another V45TD variant)
- 9907-1730: V45TD-1015-MURXM-X-S-X (another V45TD variant)
- 9907-1748, 9907-1756: Other V45TD actuator configurations.
It’s crucial to confirm the full and exact part number, often found on the product label or in Woodward’s official documentation, as slight variations can indicate different strokes, force outputs, or certifications.
