WOODWARD 9907-1638

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The WOODWARD 9907-1638 is an actuator, specifically a V45TS-2510-MURXM-X-S-X Double Acting Actuator. This information is consistently found in Woodward’s official industrial product catalog (Publication 25182).

WOODWARD 9907-1638: V45TS Double Acting Actuator

The WOODWARD 9907-1638 is a critical component in industrial control systems, designed to convert a precise control signal (typically hydraulic or pneumatic pressure from a governor or another 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 specific part number designates a particular configuration within Woodward’s robust V45TS series of actuators. These actuators are well-regarded for their reliability, precision, and durability in demanding industrial applications.

• Product Type: Actuator
• Manufacturer: Woodward
• Part Number: 9907-1638
• Model Designation: V45TS-2510-MURXM-X-S-X
• Function: Converts hydraulic or pneumatic pressure into precise 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 within the V45TS series, this model is typically Fail-Retract. This means that upon loss of power or control signal, the actuator is designed to retract to a pre-defined safe position.

Detailed Product Description

Woodward’s V45TS series actuators are engineered for high performance in heavy-duty environments. While a comprehensive, standalone datasheet specifically for the 9907-1638 might not be widely published, its model designation provides crucial details about its characteristics:

• Hydraulic or Pneumatic Operation: V45TS 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 (like 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 such as steam admission valves, fuel valves, or large 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 robust sealing technology contribute to their longevity and ability to handle side loads.
• Specific Configuration (2510-MURXM-X-S-X): The alphanumeric suffix provides specific details about this particular actuator:
  • The “2510” typically indicates a 10-inch bore diameter and a 4-inch stroke length. The force output range for this configuration is generally between 354 and 708 (likely referring to lbf or N, depending on the specific product catalog context).
  • 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 with a specific type of feedback element), special features, and material compositions. These codes adhere to Woodward’s established naming conventions for actuator variants.

Technical Specifications (General for V45TS Actuators, Specifics for 9907-1638)

Typical Applications

The WOODWARD 9907-1638 V45TS 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.