The HTF (XGF) series fire high-temperature smoke exhaust fan is a new product developed through optimized design. It has the characteristics of high efficiency and flat curve, which is conducive to energy conservation. The machine adopts a direct drive system with an electric motor, which can be driven at a single speed according to the different requirements of high-end civil buildings, in order to achieve the purpose of ventilation, exhaust and high-temperature smoke exhaust during firefighting use. Widely applicable to high-end civil buildings, ovens, underground garages, tunnels, and other occasions