Fives ITAS, a member of the global industrial engineering conglomerate Fives Group, has unveiled a breakthrough flameless burner designed for ultra-low NOx emissions in the oil and gas industry.

Introduced to delegates at the Gastech 2025 Exhibition and Conference which took place in Milan in early September, the ITAS Invistableflame is a single, compact, hydrogen-proven unit which the company describes as “retrofit ready” and “perfectly suited for steam methane reformers (SMRs), ethylene cracking furnaces, and other process heaters operating at high temperatures.”

The new burner was developed, tested, and validated at the Fives European Combustion Centre, one of Europe’s largest R&D centres for industrial combustion. The results demonstrated a reduction of up to 30% in NOx emissions compared with conventional low NOx burners, along with unmatched fuel mix flexibility—from 100% natural gas to 100% hydrogen. Improved operational safety was also demonstrated. Further development is ongoing and is expected to enhance the initial findings.

Francesco Giudici, CEO of Fives ITAS in Monza, Italy, said, “This burner reflects the Fives Group’s commitment to sustainable innovation. We are proud to bring this patented and unique technology—recognized by the 2024 Fives Innovation Awards—to market and look forward to its first industrial applications.”

ITAS Invistableflame is now available across Europe, Asia, and North America.

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