A gas turbine inlet filtration system protects turbines from airborne contaminants such as dust, salt, and moisture. Clean air, therefore, is critical to maintaining turbine efficiency, reducing fouling, and preventing costly maintenance. To address these challenges, EGL Baltec designs and supplies inlet filter houses and ducting systems that ensure reliable gas turbine operation under all environmental conditions.

Inlet air cooling and fogging systems lower the temperature of incoming air, increasing its density and significantly boosting gas turbine output due to higher mass flow of air and fuel. As a result, turbines can operate more efficiently during hot weather. In response to this need, Baltec, The Environmental Group’s expert team for inlet filtration systems, offers air cooling solutions including evaporative cooling, chilling, and fogging systems, tailored to enhance turbine performance during high ambient temperature conditions.

Silencers and acoustic walls control noise emissions from gas turbines, meeting environmental regulations and improving workplace safety. To achieve this, the Baltec team designs and manufactures high-efficiency inlet and exhaust silencers that provide maximum acoustic attenuation while ensuring minimal pressure loss—essential for gas turbine and industrial plant operations. When further reduction is required, acoustic walls or complete acoustic enclosures can be added.

Diverter dampers control the flow of gas turbine exhaust gas to the HRSG, allowing all or part of the gas stream to be diverted up the bypass stack. Typically, this occurs during plant start-up to enable gradual heating of the HRSG internal components. Guillotine dampers offer a tight seal for safe isolation during maintenance in the downstream ducting and HRSG. To support this process, the Baltec team supplies robust, custom-engineered dampers designed to suit the particular gas turbine characteristics and HRSG operational requirements.

Expansion joints in gas turbine systems absorb thermal expansion, vibration, and mechanical stresses, protecting ductwork, exhaust systems, and connected equipment. Therefore, they are essential to system longevity and safety. To meet these needs, properly designed expansion joints, like those supplied by the Baltec team, help maintain system integrity, extend equipment life, and ensure reliable turbine performance under high-temperature operating conditions.

Regular maintenance ensures the reliability, safety, and performance of gas turbine exhaust systems by preventing leaks, corrosion, and thermal fatigue. Although Baltec systems are built for durability, like any other equipment, they contain parts subject to wear and tear in normal operation. Thus, planned inspections and servicing help extend the operational life of components such as stacks, dampers, and silencers.

Baltec, the expert team for gas turbine inlet filtration systems within The Environmental Group, delivers custom-engineered solutions for gas turbines including inlet filter houses, inlet ducting systems, air cooling systems, inlet and exhaust silencers, diverter and guillotine dampers, PLC control systems, expansion joints, and complete exhaust stack systems. Importantly, each solution is tailored to meet site-specific environmental, operational, and performance requirements.

Key factors include local environmental conditions such as dust loading, filtration efficiency and pressure drop requirements (generally dictated by the gas turbine manufacturer), maintenance accessibility, and integration with cooling or heating systems. In particular, the Baltec team offers inlet filter houses designed to protect gas turbines in diverse conditions. As a result, these systems enhance turbine performance and reduce operational costs.