Inert Gas Systems (IGS) are fundamental safety mechanisms designed to prevent the ignition of flammable cargo vapors by maintaining oxygen levels below critical limits inside storage and cargo tanks. At Thermo-Tech, we provide end-to-end IGS system solutions — from design and installation to maintenance, calibration, and full modernization.
Our IGS units generate inert gas using exhaust gas or dedicated generator systems, delivering a controlled mixture of gases that contain less than 5% oxygen. This gas mixture is then cooled, cleaned, and distributed to cargo tanks to create a non-combustible environment. Each Thermo-Tech system is engineered for continuous reliability, compliance with IMO and SOLAS standards, and optimal performance under varying operating conditions.
With decades of marine engineering experience, our team ensures that every IGS installation is precisely configured for each vessel’s specific layout and capacity. From the scrubber tower to the distribution manifold, every component is designed and tested for durability, safety, and ease of maintenance.
Thermo-Tech’s IGS systems incorporate automatic oxygen analyzers, temperature sensors, and flow regulators controlled by PLC automation. This allows real-time monitoring of oxygen concentration and system integrity, ensuring safe operation at all times.
We also provide retrofitting and upgrading services for older IGS units, replacing outdated controllers with modern digital systems. Our engineers conduct full performance audits, gas flow tests, and calibration of sensors and valves to maintain consistent inert gas quality and flow balance across all cargo zones.
Maintenance programs include regular inspection of combustion chambers, demisters, scrubbers, and blower units. Thermo-Tech ensures all system components meet the latest class society requirements and environmental regulations. In case of operational failure or component degradation, our service teams deliver fast, reliable repairs with OEM-approved parts to minimize downtime.
Our systems are also designed for compatibility with OXY Generator (IGG) units, offering hybrid configurations that maximize operational flexibility.
Thermo-Tech’s Inert Gas Systems (IGS) set the standard for marine safety and operational efficiency.
Our commitment to quality engineering, precision control, and regulatory compliance ensures every system operates safely, reliably, and efficiently — protecting both vessels and crew at every stage of operation.
As a proven leader in self-service and spare parts support, we proudly collaborate with globally renowned brands such Continuously innovating and evolving, we are committed to delivering exceptional service and advancing as a global company in the marine boiler industry.