The WEXD side wall factory explosion-proof axial flow fan adopts advanced forward swept blades and low-noise external or internal rotor fan dedicated motor direct drive. The square shell design can be easily installed on concrete walls, brick walls, or light steel pressed wall panels. The square rain cover structure is firm and the appearance is beautiful. It has the characteristics of low noise, large air volume, reliable operation, wide range of performance parameters, and easy installation, and is widely used for side wall ventilation and air exchange in factories, mines, workshops, and civil and commercial construction projects. According to the requirements of the conveying medium, it can be made into anti-corrosion and explosion-proof types.