The 3” Gas Fuel Isolation Valve is a solenoid-pilot actuated sleeve-style valve designed specifically for aero-derivative gas turbines. It features a three-inch outlet flange and operates on dual voltage ranges of 24 or 95-140 VDC, providing flexibility for various power systems without compromising performance.

Constructed entirely from stainless steel, the valve complies with NACE standards for corrosion resistance, ensuring durability in harsh environments. It is engineered to withstand heat soak temperatures up to 300°F, making it suitable for high-temperature applications commonly found in turbine fuel systems.

Certified to CE-ATEX standards for Zone 2, Group IIA, Category 3, T3 temperature class, the valve is qualified for use in hazardous and explosive atmospheres, enhancing operational safety.

This valve acts as a critical safety device by isolating the fuel supply during emergency shutdowns or fuel system failures, preventing potential damage to the turbine. Typically deployed in pairs, it offers dual-redundancy to maintain safety even if one valve fails.

The valve is widely used in industrial gas turbine fuel systems where rapid and reliable fuel isolation is critical. Its design supports fast shutoff to prevent damage caused by fuel control failures or stuck throttle conditions. The valve’s durability and compliance with industry standards make it a dependable choice for maintaining operational safety in challenging environments.

The LM2500+ DLE in a 1x1 combined cycle configuration—one gas turbine, one heat recovery steam generator (HRSG), and one steam turbine—delivers significantly higher efficiency, exceeding 50% in combined cycle mode.

Designed for high thermal efficiency, fast start capability, and reduced emissions, the LM2500 family is widely used across onshore and offshore environments, including industrial plants, pipeline stations, CHP systems, and utility-scale power production.

The DLE combustion system enables the LM2500+ to maintain low NOx and CO emissions without the need for water or steam injection—simplifying operations and reducing water-related maintenance.

Key features include:

• Triple annular combustor design for even temperature distribution and lower emissions across the power range
• Electrically actuated DLE fuel valves replacing traditional electro-hydraulic SAC valves for better control
• 75 pre-mixers in 30 external modules, creating a consistent lean fuel/air mixture
• NOx emissions ≤15–25 ppm and CO emissions ≤25 ppm (on natural gas, full load)

With fast ramp-up—achieving base load from cold start in under five minutes—the LM2500 is an ideal choice for fast-start and cycling applications. This performance makes it well suited to dynamic grid environments and industrial use cases requiring quick responsiveness.

The Maintenance Dolly for LM2500 gas turbines is designed to fit the size and weight of LM2500 components, making it easier and safer to handle heavy parts during maintenance.

Key features:

• Double wheels for smooth pressure distribution and easier movement
• Wheels with directional locking for better control and stability
• Non-slip surfaces to enhance worker safety
• Foldable steps for convenient access
• Storage space for tools and parts on-site
• Incorporated lifting brackets for safe and easy lifting
• Compatible with forklifts for flexible handling
• Corrosion-resistant coating for durability in tough environments

This dolly supports safer and more efficient maintenance of LM2500 turbines by improving mobility, stability, and accessibility.

The 2.5″ Butterfly Bleed Air Valve is a critical component in the LM2500 gas turbine, responsible for regulating the flow of bleed air—compressed air extracted from the turbine’s compressor stage. This valve helps control internal pressures and temperatures, which is essential to maintain safe and efficient turbine operation.

The valve has an effective flow area of 2.5 square inches, allowing it to manage airflow precisely in smaller turbine setups or space-restricted environments. Its butterfly-shaped disc is permanently attached to the shaft, which ensures consistent movement and reliable control of air flow with minimal play or slippage.

One important feature is its fast response time—less than 320 milliseconds to complete a full open or close stroke. This quick action enables the turbine control system to rapidly adjust pressure levels, preventing overheating and reducing mechanical stress on turbine components.

The valve’s bearing shaft is robustly designed to handle frequent small movements, known as dither cycles, without premature wear. The bearings themselves are specifically engineered to support these high-cycle conditions, improving the valve’s durability and lifespan.

By efficiently managing bleed air, this valve helps protect the turbine from excessive pressure build-up and thermal stress, which can otherwise lead to damage or reduced efficiency. Its design also allows installation without requiring changes to the turbine’s hydraulic or electrical systems, making it suitable for retrofits or upgrades on existing LM2500 turbines.

In summary, the 2.5″ Butterfly Bleed Air Valve plays a vital role in controlling compressor bleed air in LM2500 turbines, balancing safety, performance, and durability within compact or smaller turbine applications.

The Packing O-Ring is a sealing made from durable fluorocarbon rubber, designed for use in high-temperature and chemically harsh environments. Commonly used in gas turbines such as the LM2500 series, it provides a tight seal between components to prevent the leakage of fluids or gases.

This O-ring has an inside diameter of 27/64 inches, a thickness of 5/64 inches, and a hardness of 75 Shore A. It is built to handle operating temperatures from -20°F to 400°F, making it suitable for sealing joints in systems exposed to fuels, oils, and high pressures.

Its compact size and resistance to compression set and fluid exposure make it ideal for use in shafts, housings, and valve assemblies where reliable sealing is critical to turbine performance and safety.

The LM2500 is a multi-shaft gas turbine featuring a free-spinning power turbine, making it well-suited for dynamic and high-demand environments such as those found in oil and gas operations. In this design, the high-pressure turbine and compressor are mechanically independent from the low-pressure power turbine. This separation allows the power turbine, which drives the electric generator or mechanical load, to respond rapidly to changes in load demand. Its ability to accelerate quickly makes it ideal for applications where maintaining grid stability or mechanical output is critical. In scenarios where frequency fluctuations occur, the free power turbine can quickly compensate, helping to stabilize the grid and ensure smoother operation of all connected systems.

In its standard configuration, the LM2500 is equipped with a six-stage, low-speed power turbine. This turbine operates at a nominal speed of 3600 rpm and is designed to deliver reliable shaft power in steady-state conditions, making it particularly effective for electric power generation or mechanical drive in pipeline and process operations.

For applications requiring greater flexibility or higher continuous output speeds, the LM2500+G4 variant offers enhanced capabilities. It is available with either the standard six-stage, low-speed power turbine or an alternative two-stage high-speed power turbine. The high-speed variant is engineered for mechanical drive and other demanding industrial uses, with a design speed of 6100 rpm and an operating range from 3050 to 6400 rpm. This configuration supports continuous high-speed shaft output where needed and is particularly beneficial for compressors and other rotating equipment in oil and gas facilities.

Both the six-stage and two-stage power turbines can be operated over a cubic load curve, providing the adaptability required for variable load profiles commonly encountered in oil and gas operations. This flexibility, combined with the LM2500’s rapid response characteristics and modular design, makes it a dependable choice for critical infrastructure in upstream, midstream, and downstream sectors.