WOODWARD 9907-1366

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The WOODWARD 9907-1366 is an actuator, specifically a V45TD-2010-MURXM-X-S-X Double Acting Actuator. This information is consistently found in Woodward’s industrial product catalog.

WOODWARD 9907-1366: V45TD Double Acting Actuator

The WOODWARD 9907-1366 is a vital component in industrial control systems, designed to convert a precise control signal (typically hydraulic or pneumatic pressure from a governor or other control module) into linear mechanical motion. This motion is then used to accurately operate various industrial devices, such as steam turbine valves, fuel valves, or dampers.

Product Overview

This particular part number identifies a specific configuration within Woodward’s robust V45TD series of actuators. These actuators are well-regarded for their reliability and precision in demanding industrial applications.

• Product Type: Actuator
• Manufacturer: Woodward
• Part Number: 9907-1366
• Model Designation: V45TD-2010-MURXM-X-S-X
• Function: Converts hydraulic or pneumatic pressure into accurate linear mechanical motion for controlling industrial equipment.
• Action Type: Double Acting. This means that pressure is actively applied to both sides of the internal piston, enabling controlled movement in both extending and retracting directions. This offers superior control compared to single-acting actuators that rely on a spring for return.
• Fail-Safe Direction: For “MUR” configurations in the V45TD series, this model is typically Fail-Retract. This means that in the event of a power or signal loss, the actuator is designed to retract to a pre-defined safe position.

Detailed Product Description

The WOODWARD V45TD series actuators are engineered for durability and precise control in heavy-duty environments. While a complete, publicly available datasheet specifically for the 9907-1366 might not be readily found, its model designation provides key insights into its characteristics:

• Hydraulic or Pneumatic Operation: V45TD actuators can operate using either hydraulic fluid (often turbine lube oil in steam turbine applications) or pneumatic pressure. The precise pressure signal is typically provided by an associated governor (e.g., a TG series governor) or an electronic control system.
• Linear Mechanical Output: The actuator provides a linear force and stroke. This linear motion is mechanically linked to the equipment it controls, ensuring precise positioning of components like steam admission valves, fuel valves, or industrial dampers.
• Rugged Industrial Construction: These actuators are built to endure harsh industrial conditions, including high temperatures, significant vibrations, and continuous duty cycles. Features like chrome-plated piston rods, internal feedback sensors, stepped cushions, and triple shaft seal technology contribute to their longevity and ability to handle side loads up to 5% of the output force.
• Specific Configuration (2010-MURXM-X-S-X): The alphanumeric suffix provides specific details about this particular actuator:
  • The “2010” indicates a specific stroke length and bore size. For this model, it’s often associated with an 8-inch bore and a 4-inch stroke.
  • The remaining codes (MURXM-X-S-X) detail various configuration options, which can include the rod end type (e.g., male), internal valving, feedback mechanisms (e.g., internal position feedback), special features, and material compositions. These codes follow Woodward’s established naming conventions for actuator variants.

Technical Specifications (General for V45TD Actuators, Specifics for 9907-1366)

Typical Applications

The WOODWARD 9907-1366 V45TD Double Acting Actuator is commonly found in heavy industrial applications requiring precise, powerful, and reliable control over mechanical devices, including:

• Steam Turbines: Essential for accurate positioning of steam admission valves, which directly control steam flow to the turbine, impacting speed and power generation.
• Gas Turbines: Utilized for precise actuation of fuel gas or liquid fuel valves.
• Compressors and Pumps: Employed in systems where precise flow or pressure regulation is achieved by adjusting large, heavy-duty valves or dampers.
• General Industrial Process Control: Applicable in any industrial process that demands robust, powerful, and highly accurate positioning of valves, louvers, or other control elements.