通风管道是为了使空气流通，降低有害气体浓度的一种市政基础设施。通风管，风管制作与安装所用板材、型材以及其他主要成品材料，应符合设计及相关产品国家现行标准的规定，并应用出厂检验合格证明，材料进场时应按国家现行有关标准进行验收。通风管道按材质分：一般有：钢板风管（普通钢板）、镀锌板（白铁）风管、不锈钢通风管、玻璃钢通风管、塑料通风管、复合材料通风管、彩钢夹心保温板通风管、双面铝箔保温通风管、单面彩钢保温风管、涂胶布通风管（如矿用风筒）、矿用塑料通风管等；

A ventilation pipe is a municipal infrastructure for the purpose of making air circulation and reducing the concentration of harmful gases. Ventilation pipes, plates, profiles and other main materials for production and installation of air pipes shall meet the requirements of the current national standards for design and related products, and the factory inspection certificate shall be applied. The materials shall be checked according to the relevant national standards when entering the field. Ventilation pipe material: General: steel duct (steel), galvanized plate (Bai Tie) wind pipe, stainless steel pipe, glass steel ventilation ventilation pipe, plastic pipe, ventilation ventilation pipe, composite sandwich insulation board ventilation pipe, double sided aluminum foil insulation ventilation pipe, plastic steel duct insulation, rubberized cloth the ventilation tube (such as mine, mine ventilation duct) plastic pipe;

用途分类

Classification of use

一般有：净化系统送回风管、中央空调通风管、工业送排风通风管、环保系统吸排风管、矿用抽放瓦斯管、矿用涂胶布风筒等；

There are: purification system, return air pipe, central air conditioning ventilation pipe, industrial ventilation and ventilation pipe, environmental protection system suction and exhaust pipe, mine drainage gas pipe, mine coating cloth air duct and so on.

形状分类

Shape classification

一般有：圆形、矩形、螺旋形等；

General: round, rectangular, spiral, and so on.

加工工艺

Processing technology

可分为角铁法兰风管，共板法兰风管。

Can be divided into angle iron flange, flange pipe.