LM2500 Fixture, Hinge – Upper Compressor Case is a specialized tool set designed to safely raise and hinge open the upper compressor case of the LM2500 gas turbine engine. This fixture is essential during major maintenance, inspection, or overhaul activities where access to the engine’s internal compressor components is required.

The fixture allows maintenance teams to lift and securely hold the heavy upper compressor case in a hinged, open position. This provides stable and safe access to the compressor rotor and other internal parts, ensuring technicians can carry out detailed inspections or repairs without risking damage to sensitive components.

Made from strong, durable materials, the fixture set is built to support the heavy upper compressor case while keeping everything properly aligned. Its reliable locking and hinge system holds the case securely in place, helping protect the gas turbine.

Compatible with both OEM and MRO procedures, this fixture supports efficient, repeatable maintenance practices and helps reduce overall engine downtime. Whether used in the field or in a dedicated maintenance facility, the LM2500 Hinge Fixture is a critical tool for safe and effective servicing of the LM2500 engine’s compressor section.

The LM2500+ gas turbine delivers increased power and improved efficiency by building on the proven LM2500 platform. Designed to meet the demanding needs of industrial and offshore operations, it offers a compact, reliable solution for power generation and mechanical drive applications.

The LM2500+ enhances the original LM2500 design by adding a 17-stage high-pressure axial compressor. This additional compressor stage increases airflow and raises the engine’s pressure ratio, resulting in roughly 20% more power output. The turbine uses a ring combustion chamber with advanced dry low emissions (DLE) technology, producing very low levels of NOx and CO emissions to meet strict environmental standards.

A key feature of the LM2500+ is its low-speed turbine section, which is specifically designed for offshore platforms and other space-restricted environments. This turbine’s compact size and modular design allow for easy maintenance, with split compressor casing and in-place blade replacement that reduce downtime and operational complexity. The turbine is factory-tested and pre-wired for straightforward installation, supporting both 50 Hz and 60 Hz power generation without the need for additional equipment like reducers.

Operators benefit from the LM2500+’s enhanced power and fuel efficiency, which help reduce operational costs and improve performance in applications such as combined heat and power systems, industrial power generation, underground gas storage, and gas pipelines. Its modular, space-saving design fits well in offshore installations where size and weight are critical factors.

the LM2500+ ensures continuous performance and maximizes uptime, making it a trusted solution for critical power needs across various industrial and offshore applications.

The 2” Globe-Style Gas Metering Valve is designed to provide precise regulation of fuel gas flow in industrial and aero-derivative gas turbines. Its globe valve design offers excellent throttling capabilities, allowing fine control over fuel delivery to maintain the optimal fuel-to-air mixture necessary for efficient combustion. This precise control is crucial for achieving stable turbine performance, reducing emissions, and optimizing fuel consumption.

Constructed with robust materials, the valve is built to withstand the high pressures and temperatures commonly encountered in gas turbine applications. Its durable design ensures long service life and reliable operation even under demanding conditions. The valve features foolproof electrical cables and connectors, enhancing installation safety and reducing the risk of connection errors.

The valve’s compact size and right-angle configuration facilitate straightforward integration into existing turbine fuel systems. Compared to previous models, this valve is an upgrade due to its improved electrical interface and enhanced durability, which reduce maintenance needs and increase operational reliability.

By accurately controlling fuel flow, the 2” Globe-Style Gas Metering Valve helps prevent issues such as flame instability and combustion inefficiency, contributing to smoother turbine operation and lower maintenance costs. It is widely used across various turbine models, including aero-derivative and small- to mid-frame industrial turbines, where precise fuel metering is critical for maintaining performance and compliance with environmental standards.

The LM2500+ DLE gas turbine is designed to provide reliable, efficient while meeting strict environmental rules. Ideal for power plants where emissions limits and water availability are critical concerns, the LM2500+ DLE provides clean, flexible, and high-performance power generation.

Using advanced Dry Low Emissions (DLE) technology, it reduces nitrogen oxide (NOx) and carbon monoxide (CO) emissions without requiring water or steam injection. This makes it especially valuable for facilities aiming to minimize environmental impact and avoid the operational complexity and maintenance costs associated with water-based emissions control systems.

The turbine’s ability to maintain NOx emissions below 25 ppm on natural gas—and as low as 15 ppm under certain conditions—ensures compliance with tough air quality standards.

With a power output exceeding 31 megawatts and thermal efficiency above 40%, the LM2500+ DLE suits a broad range of applications, from utility-scale electricity generation to industrial cogeneration and offshore power. Its fast start capability and robust cycling performance enable it to respond quickly to fluctuating grid demands, making it an excellent partner for integrating renewable energy sources.

Fuel flexibility extends the LM2500+ DLE’s usability across different operational contexts. It runs smoothly on natural gas, diesel, aviation fuels, and even hydrogen blends—offering operators confidence and versatility regardless of fuel availability or market conditions.

Maintenance is simplified thanks to the turbine’s modular design, allowing rapid access and part replacement. This reduces downtime and keeps plants running efficiently, enhancing overall productivity.

Combining power, efficiency, emissions control, and fuel flexibility, the LM2500+ DLE supports effective and compliant power generation in a variety of operational settings.

The T5.4 thermocouple is a temperature-sensing probe used in LM2500 gas turbines to measure exhaust gas temperature (EGT). The label T5.4 refers to its specific position in the turbine\'s exhaust thermocouple array—zone T5 (turbine exhaust), sensor 4. These sensors are part of a system that monitors thermal conditions at multiple points in the exhaust stream.

This thermocouple operates in high-temperature environments, withstanding continuous exposure up to approximately 1100°C. It is built to maintain accuracy and reliability under the thermal stress and vibration typical in gas turbine applications.

T5.4 thermocouples are often used with flexible

harness systems. This allows operators to replace individual probes without removing the entire harness, improving maintenance efficiency and reducing downtime.

By providing real-time exhaust temperature data, the T5.4 thermocouple supports engine control, performance optimization, and safety monitoring in industrial gas turbine operations.

The Bearing, Roller, Cylindrical No. 6R is a precision-engineered component used in LM2500 aero-derivative gas turbines commonly employed in the oil and gas sector. Installed at the No. 6R position, this cylindrical roller bearing supports the turbine’s rotor shaft by carrying radial loads and maintaining accurate shaft alignment during high-speed operation.

Its specialized roller design allows it to withstand intense mechanical stresses and thermal changes typical in demanding oil and gas environments. By reducing vibration and ensuring smooth rotation, the bearing contributes to stable and efficient turbine performance, which is critical for continuous operation in upstream, midstream, and downstream applications.

The No. 6R bearing’s role in maintaining precise shaft positioning supports the overall durability and reliability of LM2500 turbines used in gas compression, power generation, and offshore platforms, making it a key element in sustaining safe and efficient operations within the oil and gas industry.

The 3-inch sleeve-style hot air purge valve is designed for aero-derivative industrial gas turbines to control the flow of hot compressor bleed air used in critical purge operations. This valve is normally closed and solenoid-pilot actuated, available in two- or three-inch sizes with elbow sleeve design. It operates on 24 or 125 VDC power and is constructed with ANSI B16.5 Class 600 raised face flanges.

Key specifications include a physical size of approximately 7.5 inches wide and 25 inches high, weighing between 84 to 91 pounds. It can handle line pressures up to 500 psig and actuation pressures between 80 and 125 psig. The valve is rated to operate in fluid temperatures ranging from 32°F to 1100°F (bleed air), and can withstand ambient temperatures between –20°F and 240°F with heat soak up to 400°F for 1 to 2 hours when de-energized.

Performance characteristics include a flow capacity of about 1.2 pounds per second of compressor bleed air with a maximum pressure drop of 0.70 psi across normal operating conditions. Internal leakage is minimal, rated at 0.00025 pounds per minute. The valve features a rapid full stroke response time of 1 second for both opening and closing cycles. It includes a position indicating switch and supports continuous duty operation.

Functionally, this valve plays a crucial role in purging residual fuels, such as diesel, from the combustor fuel lines when switching fuels, preventing deposits that can impair turbine performance or cause damage. The valve is often installed in pairs for dual redundancy to enhance safety and operational reliability. With millions of field operating hours, this design reflects high durability and precise control essential for efficient and safe turbine operation.