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 2-cup Fuel Nozzle is a precision-engineered component used in gas turbines, specifically in the oil and gas industry. Its primary function is to inject liquid fuel into the combustion chamber in a fine, atomized spray, allowing for optimal mixing with air and efficient ignition. This ensures stable combustion, better fuel efficiency, and reduced emissions—key performance factors in industrial turbine applications.

The “2-cup” design refers to the nozzle’s dual flow passages, which help balance fuel distribution across the combustion zone. This promotes more uniform flame stability and lowers the risk of hot spots that can cause thermal stress to the turbine hardware. The nozzle is typically used on “base” engines and is suited for continuous-duty operations.

The L47197P05 variant is known for its compatibility with LM2500 turbine configurations and is built to endure harsh operating environments. It features durable materials and a design that withstands high temperatures and pressures commonly found in oil and gas turbine systems.

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.