WOODWARD 9907-1213

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The WOODWARD 9907-1213 is identified as an actuator, specifically a TM25LP with an extended female shaft and threads.

WOODWARD 9907-1213: TM25LP Actuator

The WOODWARD 9907-1213 is a precise and robust actuator designed to convert control signals into mechanical motion, primarily for regulating engine speed, turbine power, or other industrial processes. It falls within Woodward’s extensive range of mechanical actuators, often used in conjunction with electronic or hydraulic governors.

Product Overview

This part number specifies a particular configuration of Woodward’s TM series actuators. The TM series is known for its versatility and application in various power generation and industrial control systems.

• Product Type: Actuator
• Manufacturer: Woodward
• Part Number: 9907-1213
• Model Designation: TM25LP
• Key Features:
  • LP: This typically denotes “Low Pressure,” indicating it operates with a lower hydraulic or pneumatic supply pressure compared to high-pressure versions. This can be beneficial in applications where high-pressure hydraulic fluid is not readily available or desired.
  • Extend: Refers to the default or fail-safe position of the actuator’s shaft – it extends upon operation or in a specific failure mode.
  • Female Shaft Threads: This describes the type of connection on the output shaft, meaning it has internal threads for coupling to a linkage or other mechanical components.
• Function: Receives a control signal (often from a governor or control module) and translates it into linear mechanical force and displacement to operate fuel racks, valve linkages, or other control surfaces on prime movers (engines, turbines) or industrial machinery.

Detailed Product Description

The Woodward TM25LP Actuator is engineered for reliable performance in demanding industrial environments. While detailed public datasheets for every specific part number like 9907-1213 are not always widely published, the general characteristics of the TM series apply:

• Hydraulic or Pneumatic Operation: TM actuators can operate using either hydraulic fluid or pneumatic pressure as the working medium, depending on the specific model and system design.
• Precision and Repeatability: They are designed to provide highly accurate and repeatable positioning of the controlled device, which is crucial for maintaining stable operation of engines, turbines, and other machinery.
• Robust Construction: Built to withstand harsh industrial conditions, including vibrations, temperature fluctuations, and continuous duty cycles. Woodward actuators are known for their durability.
• Versatile Applications: The TM series is adaptable to a wide range of prime movers and industrial machinery where precise control of fuel, air, or other parameters is essential. The “LP” (Low Pressure) designation broadens its applicability to systems with lower available supply pressures.
• Extended Female Shaft: The specific shaft configuration (extended with female threads) indicates it’s designed for direct connection to specific types of linkages or components in a control system.

Technical Specifications (General for TM25LP Actuators, specific details for 9907-1213 from catalog notes)

Typical Applications

The WOODWARD 9907-1213 TM25LP Actuator is commonly found in various industrial applications that require reliable and precise mechanical control:

• Diesel and Gas Engines: For accurate control of fuel injection systems or throttle bodies to maintain desired engine speed and load. The “LP” feature is particularly useful for engines with integrated, lower-pressure hydraulic systems.
• Small to Medium Steam Turbines: For actuating steam admission valves, regulating steam flow to control turbine speed and power output.
• Compressors and Pumps: Used in systems where precise flow or pressure regulation is achieved by adjusting heavy-duty valves or dampers.
• Industrial Machinery: In processes where direct mechanical control from a governor or control system is needed.