YBT series mine flameproof axial flow local ventilator is mainly used for press-in local ventilation in coal mines with explosive danger of gas or coal dust. This product is also suitable for metal mines, chemical mines, tunnels and other For factories and mines using fans, the temperature of the conveying medium should not exceed 40°C, the temperature should not be greater than 95±3% (25°C) and non-corrosive.