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WOODWARD TM25LP Actuator
Model Basic Introduction
The TM-25LP belongs to Woodward's Load Positioning series of actuators, specifically designed to drive fuel control valves or adjustable guide vanes in gas turbines.
LP Meaning: Typically stands for Low Pressure or a configuration for specific linear positioning applications.
Core Function: It converts electrical control signals (usually current signals from the controller) into precise hydraulic mechanical strokes, thereby controlling the valve opening.
Working Principle: It employs electro-hydraulic servo technology. An internal proportional solenoid valve receives signals from the controller, adjusts the pressure of the internal hydraulic oil, and then pushes the output rod to the predetermined position.
The Woodward TM-25LP is a mature and reliable hydraulic actuator, a core component for ensuring precise control of gas turbines.
Email: xmxblynn@163.com
Phone: +86 18059884797
Key Features
High Precision: Extremely high repeatability and minimal hysteresis ensure smooth turbine operation.
Feedback Mechanism: Typically equipped with an LVDT (Linear Variable Differential Transformer), providing real-time feedback of stroke position to the control system (such as MicroNet or 505 series controllers) to form closed-loop control.
Durability: Designed for harsh industrial environments, capable of withstanding high temperatures and continuous vibration.
2. Main Application Areas
The TM-25LP is primarily used in small to medium-sized industrial gas turbines and certain specific steam turbine systems:
Gas Turbine Fuel Control: Controls the intake of natural gas or liquid fuel, directly determining the turbine's speed, power, and emissions.
Adjustable Guide Vane (VGV/IGV) Control: Adjusts the angle of the compressor inlet guide vanes to optimize intake volume, prevent surge, and improve efficiency.
Dual Fuel Systems: In turbines requiring switching between gas and liquid fuels, the TM-25LP is often used for precise synchronization.
3. Common Connections and Maintenance
In actual industrial settings, you will typically see it working in conjunction with the following components:
Control System: Woodward MicroNet, 723PLUS, or 505E.
Hydraulic Source: Requires clean, stable control hydraulic fluid (usually supplied by the turbine lubrication system).
Filter: Because servo valves are highly sensitive to oil quality, high-precision filter elements are typically installed upstream.
Email: xmxblynn@163.com
Phone: +86 18059884797
Other related product models recommended:
WOODWARD 9907-164
Woodward 9907-1197
WOODWARD 9907-175
Woodward 9905-864
WOODWARD 8440-2088
WOODWARD 5466-409
Woodward 8405-315
WOODWARD TG-13
WOODWARD8440-2082
WOODWARD 8405-094
WOODWARD 8440-1855 K
WOODWARD 8516-038
WOODWARD CAT3512
WOODWARD SPM-D2-10
WOODWARD 8440-2080
WOODWARD UG10 8526-653
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