根据轴流风机的特性做出以下分类：

According to the characteristics of axial fan, the following classification is made:

按材质分类:钢制风机、玻璃钢风机、塑料风机、PP风机，PVC风机，镁合金风机、铝风机、不锈钢风机等等。

According to the material classification: Steel fans, FRP fans, plastic fans, PP fans, PVC fans, magnesium alloy fans, aluminum fans, stainless steel fans, etc..

按用途分类：防爆风机、防腐风机、防爆防腐风机等类型。

According to the use of categories: explosion-proof fans, anti-corrosion fans, explosion-proof anti-corrosion fans and other types.

按使用要求分类：管道式、壁式、岗位式、固定式、防雨防尘式、电机外置式等。

According to the requirements of classification: pipe type, wall type, post type, fixed type, rainproof dust-proof type, motor external type, etc..