WOODWARD 9907-1756

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The WOODWARD 9907-1756 is an actuator, specifically a V45TD-1207-MUEXM-X-S-X Double Acting Actuator. This information is found in Woodward’s industrial product catalog.

WOODWARD 9907-1756: V45TD Double Acting Actuator

The WOODWARD 9907-1756 is a critical component in control systems, responsible for converting a control signal into precise mechanical motion. As an actuator, it’s designed to operate valves, dampers, or other controlled devices in industrial applications.

Product Overview

This particular part number identifies a specific configuration within the V45TD series of actuators.

• Product Type: Actuator
• Manufacturer: Woodward
• Part Number: 9907-1756
• Model Designation: V45TD-1207-MUEXM-X-S-X
• Function: Converts a hydraulic or pneumatic pressure signal (from a governor or control system) into linear mechanical motion to precisely control a valve, damper, or other industrial device.
• Action Type: Double Acting. This means the actuator uses pressure to move the piston in both directions (e.g., to open and close a valve), providing positive control for both extension and retraction, unlike single-acting actuators that rely on a spring return for one direction.

Detailed Product Description

The WOODWARD V45TD series of actuators are renowned for their robust design and capability to deliver accurate and powerful control for various industrial equipment. While a specific, detailed datasheet for the 9907-1756 isn’t universally public, the “V45TD” series and the specific model designation provide insights into its characteristics:

• Hydraulic or Pneumatic Operation: V45TD actuators typically use a hydraulic power medium (e.g., oil pressure) or sometimes pneumatic pressure. This pressure is supplied by a connected governor (like a TG-series governor) or another control system, which sends the precise signal for the actuator to follow.
• Double-Acting Design: The “Double Acting” nature is a key feature. It means that pressure is actively applied to both sides of the internal piston. This enables controlled movement in both extending and retracting directions, offering more precise and positive control compared to spring-return designs.
• Linear Mechanical Output: The actuator produces a linear force and stroke. This linear motion is then mechanically linked to the equipment it controls, such as a turbine’s steam admission valve, a fuel valve, or a large industrial damper.
• Robust Industrial Construction: These actuators are built to endure demanding industrial environments, featuring rugged construction that can withstand factors like high temperatures, vibrations, and continuous operational cycles.
• Specific Configuration (1207-MUEXM-X-S-X): The suffix provides specific details about this actuator:
  • The “1207” likely relates to the stroke length, indicating a specific maximum linear travel of the actuator (e.g., 120.7 mm or a related measurement).
  • The remaining alphanumeric codes (MUEXM-X-S-X) denote various configuration options such as mounting style, internal valving, specific materials, feedback mechanisms, and other custom features. These codes adhere to Woodward’s internal naming conventions for actuator variants.

Technical Specifications (General for V45TD Actuators, Specifics for 9907-1756)

Typical Applications

The WOODWARD 9907-1756 V45TD Double Acting Actuator is commonly deployed in heavy industrial applications where precise and reliable control over mechanical devices is paramount:

• Steam Turbines: Used to precisely position steam admission valves, thereby controlling the flow of steam to the turbine and, consequently, its speed and power output.
• Gas Turbines: May be utilized for the accurate positioning of fuel gas or liquid fuel valves.
• Compressors and Pumps: In systems where precise flow or pressure regulation is achieved by adjusting large valves or dampers.
• Industrial Process Control: General industrial processes that require robust, powerful, and highly accurate positioning of valves, louvers, or other control elements.