The LM2500XPRESS+G5 DLE UPT is a modular aeroderivative gas turbine system built for fast, flexible, and efficient power generation in both onshore and offshore environments. It is particularly well-suited for applications across LNG facilities, gas pipelines, gas processing plants, and general power generation, including electricity production at both 50 and 60 Hz, without the need for a speed reducer.

The "+G5" designation refers to its fifth-generation power turbine, offering the highest output and efficiency in the 20–40 MW class. It supports both high-speed and low-speed power turbine configurations, allowing integration into a variety of grid or mechanical drive systems.

At its core, the G5 includes a high-pressure compressor derived from the LM2500+G4, now redesigned for longer service life. In a simple cycle, it achieves up to 41% efficiency, which is notable for a turbine of this size class. The system can start from cold and reach load in about five minutes, making it ideal for rapid-response applications.

The unit is built for speed and simplicity. It’s shipped in preassembled modules, with a compact footprint that helps reduce installation time.

The Dry Low Emissions (DLE) system supports environmental compliance without requiring water or steam injection, simplifying operations and reducing resource demands.

Altogether, the LM2500XPRESS+G5 DLE UPT provides a practical solution for projects that need reliable, fast, and efficient power without a complex setup.

The LM2500XPRESS gas turbine is a compact and modular power system designed for fast installation and quick delivery of power when speed matters. It comes prepackaged in 10 simplified modules, which makes installation easier and faster, with only 27 electrical interconnects to manage.

This turbine is based on the proven LM2500 aeroderivative gas turbine, known for its reliability and versatility. It can be used in a wide range of power generation setups, including baseload, peaking, simple cycle, combined cycle, and cogeneration (combined heat and power) applications. The system offers dry low emissions (DLE) and can operate on gas or dual fuel.

One important feature of the LM2500XPRESS is its ability to handle daily starts and stops without increasing maintenance frequency or costs. Its free-spinning power turbine design allows it to act as a synchronous condenser without needing a clutch between the turbine and generator, which helps reduce maintenance needs and downtime.

The turbine can ramp from a cold start to full base load in about five minutes, making it ideal for situations where fast power availability is critical. Its plug-and-play design allows industrial users or grid operators to connect and begin generating electricity quickly and efficiently.

In summary, the LM2500XPRESS combines a reliable aeroderivative gas turbine with a smart, modular package designed for rapid deployment and flexible power generation.

The Blowoff Valve is a 3-inch sleeve-style gas blowoff valve designed for use in aero-derivative industrial gas turbines. Its primary function is to isolate gas fuel during turbine shutdowns or emergency events, helping prevent overspeed conditions and damage caused by uncontrolled combustion.

This valve features a solenoid-pilot actuation system and operates with either 24 VDC or 95–140 VDC electrical input. It is designed with a 3-inch outlet flange and built entirely from stainless steel materials to ensure durability and compliance with NACE standards for sour gas environments.

Performance characteristics include a 110 millisecond full-stroke opening time and 1 second full-stroke closing time, meeting the rapid response requirements necessary for turbine protection. The valve is capable of withstanding heat soak temperatures up to 400°F, allowing it to function reliably in high-temperature turbine enclosures.

For safety in hazardous environments, the blowoff valve is certified to CE-ATEX Group IIA, Category 3, Zone 2, T3, supporting its use in oil and gas facilities with potentially explosive atmospheres.

This valve is often used in redundant pairs to provide dual isolation capability, increasing system reliability. Its application is critical to turbine safety systems, ensuring that fuel flow can be quickly and reliably shut off when required.

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.

The Single Annular Combustor (SAC) version of the LM2500+G4 is designed for oil and gas applications that prioritize consistent performance, fuel flexibility, and emissions control—such as LNG facilities, gas processing plants, and pipeline compression, both onshore and offshore.

What makes the SAC version different is its simpler combustor design compared to dual annular or premix types. The SAC uses a through-flow, venturi swirler to ensure an even temperature profile at the turbine inlet, helping extend hot section life. It features individually replaceable fuel nozzles, a durable machined-ring liner, and a thermal barrier coating for better resistance to high temperatures and corrosion. This design supports both dry operation (with higher emissions) and water or steam injection to reduce NOx when needed—making it adaptable to site-specific emission regulations.

The LM2500+G4 SAC builds on the proven LM2500+ design, with approximately 10% more power. This gain comes from increased airflow, improved internal cooling, and material upgrades—while keeping the same number of compressor and turbine stages. The 17-stage high-pressure axial compressor and the basic engine layout remain unchanged, making it easy to maintain and service.

The engine can run on a wide range of liquid and gas fuels, allowing flexibility in remote or supply-constrained locations. It achieves up to 40% thermal efficiency in simple cycle mode. Water-injected operation enables NOx emissions as low as 25 ppm (gas) and 42 ppm (liquid).

In short, the LM2500+G4 SAC is well-suited for high-power mechanical drive and power generation in harsh or remote oil and gas environments, offering a balance of power output, fuel versatility, and emissions control.