RECUFIRE, LOOPFIRE, REGFIRE recuperative and regenerative burners, 15–1900 kW

RECUFIRE, LOOPFIRE, REGFIRE recuperative and regenerative burners, 15–1900 kW

Country: Germany · Model: RECUFIRE / LOOPFIRE / REGFIRE

Recuperative and regenerative burners for industrial furnaces preheat the combustion air with the heat of flue gases. RECUFIRE of 15–300 kW saves up to 50 % of energy, LOOPFIRE is typically 180 kW, and REGFIRE is 400–1900 kW per pair. They are installed in roller, chamber and forging heating furnaces.

RECUFIRE: 15–300 kW; metal (M) or ceramic SiC (C) version; sizes C/M 30–400; savings up to 50 %
Radiant tubes: single-ended 100–300 mm, P and double P-type; CSER for C
LOOPFIRE: for U- and W-type radiant tubes; typically 180 kW; air preheating up to 600 °C; flue gas recirculation
REGFIRE: paired regenerative burners 400–1900 kW (per pair), honeycomb regenerators, up to ~1400 °C, efficiency in a forging furnace ~85 %

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Technical specifications

RECUFIRE	15–300 kW; metal (M) or ceramic SiC (C) version; sizes C/M 30–400; savings up to 50 %
Radiant tubes	single-ended 100–300 mm, P and double P-type; CSER for C
LOOPFIRE	for U- and W-type radiant tubes; typically 180 kW; air preheating up to 600 °C; flue gas recirculation
REGFIRE	paired regenerative burners 400–1900 kW (per pair), honeycomb regenerators, up to ~1400 °C, efficiency in a forging furnace ~85 %
Ignition/monitoring	direct electric; ionization (single-electrode mode) or UV
Fuel	natural gas, LPG, coke oven gas, mixture of coke oven and blast furnace gas

Specifications are taken from the manufacturer’s technical documentation. Updated 11/06/2026.

Description

RECUFIRE preheats the combustion air with combustion products in a built-in heat exchanger, in sizes C/M 30, 40, 70, 120, 200, 300 and 400. The M version has a cast metal heat exchanger for metal radiant tubes, and the C version is fully ceramic, with a silicon carbide heat exchanger for CSER tubes. Single-ended tubes have a diameter of 100–300 mm. Ignition is direct electric, and the flame is monitored by an ionization rod in single-electrode mode or a UV sensor. The fuels are natural gas, LPG, coke oven gas and a mixture of coke oven and blast furnace gas. LOOPFIRE combines a burner with a double recuperator for U- and W-type tubes and preheats the air to 600 °C, and flue gas recirculation reduces NOx. REGFIRE works in pairs with honeycomb ceramic regenerators up to 1400 °C, with an efficiency of about 85 % in a forging furnace.

How to choose

The choice depends on the type of furnace and radiant tubes. For metal tubes RECUFIRE M is used, for ceramic ones RECUFIRE C. If the furnace has U- or W-type tubes and the fuel includes blast furnace gas, LOOPFIRE is suitable. For forging and rolling furnaces REGFIRE of 400–1900 kW per pair is used, and smaller furnaces are covered by RECUFIRE up to 300 kW.