Boilers & Burners

Babcock Wanson Extends Modulo+ High Performance Gas Burner Range


Industrial process heating specialist Babcock Wanson has extended its Modulo+ gas burners to encompass smaller boilers ranging from 2.5 to 3.5 t/h of steam output. Modulo+ burners are now available from 1,700kW to 22MW output, operating on natural and liquefied gas.

Modulo+ gas burners are designed with digital micro-modulation control and specially developed combustion head for high turndown and very low NOx emissions, down to 60mg/Nm³ at 3% O2. The 12:1 turndown ratio means improved efficiency and lower overall losses due to a reduction in the number of purge cycles. The design of the burners provides very accurate control of excess air over the entire operating range, resulting in an excellent combustion efficiency no matter what the process load, and the lowest practicable operating costs.

Originally designed for use with 7MW plus boilers to extend operating flexibility, improve energy savings and significantly reduce NOx emissions, the latest Modulo + burners have now been adapted for use with smaller boilers to provide the same benefits, at an appropriate price point. These latest additions to the Modulo+ range feature a single gas train with a special butterfly valve to reduce leak flow, two stages of combustion, direct ignition by electrical arc, and a BT300 Burner Management System. They join the existing range of Modulo + burners that are supplied with a specifically adapted combustion air fan, duplex gas trains (each with flow monitoring), three stages of combustion, ignition by pilot burner, and ETAMATIC Burner Management System.

Modulo+ gas burners have been developed by Babcock Wanson in partnership with ADEME, The French Agency for Ecological Transition.

Babcock Wanson offers a complete range of products and services for boiler houses and other process heating needs, from firetube steam boilers, thermal fluid heaters, rapid steam generators, water treatment equipment and services, process air heating solutions and hot water boilers to VOC and odour treatment by Thermal Oxidation. The company aims to help optimise customer’s energy production with high quality products and efficient service.

For more information, please contact Babcock Wanson on 020 8953 7111 or This email address is being protected from spambots. You need JavaScript enabled to view it. or go to

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