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Manufactured by Zhengzhou Wister Gas Equipment Co., Ltd., the WST-QEF-0.7-1 is a split-type low-NOx gas burner specifically designed for 1-ton industrial boilers. It adopts premix/surface combustion technology to achieve ultra-low NOx emissions, stable operation and high energy efficiency, compatible with natural gas, LPG and other gas fuels.
Applicable Equipment: 1-ton steam boilers, hot water boilers, thermal oil heaters, hot air furnaces.
Fuel Compatibility: Natural gas, liquefied petroleum gas (LPG), town gas, biogas.
Thermal Power: 0.7MW (approx. 600,000 kcal/h), matching standard heat load of 1-ton boilers.
Control Mode: Modulating / two-stage control, supporting remote PLC communication.
Low-NOx Performance: NOₓ emission ≤30mg/m³, meeting ultra-low emission environmental standards.
Key Structure (Split Design):
Blower unit (right) + combustion head unit (left), flexible installation and easy maintenance.
Equipped with metal fiber surface combustion burners, uniform combustion, short flame, high thermal efficiency.
Integrated gas valve train, pressure switches, UV flame detection, flame failure protection.
Key Features:
Ultra-low NOx emissions, compliant with national and local environmental regulations.
Split structure adapts to various boiler installation spaces, reducing on-site modification difficulty.
Full premix combustion, thermal efficiency ≥99%, lower energy consumption.
Automatic control with fault self-diagnosis and safety interlocks, stable and reliable operation.

Industrial boilers
Commercial heating
Food/textile/chemical drying equipment
District heating systems