通风管道按用途区分
Ventilation pipes are distinguished by use
1、净化空调系统用风管：镀锌板、不锈钢；（使用中可能出现尘源污染的玻璃钢、复合材料禁用）
1. Air duct for purifying air conditioning system: galvanized sheet and stainless steel; (Fiberglass reinforced plastics and composite materials which may be polluted by dust sources are forbidden in use)
2、中央空调系统用风管：镀锌板、彩钢保温板；（可使用玻璃钢、复合材料）
2. Air duct for central air conditioning system: galvanized sheet and coloured steel insulation sheet; (fiberglass reinforced plastics, composite materials can be used)
3、环境控制系统用风管：镀锌板、不锈钢；（可使用塑料、玻璃钢、复合材料）
3. Air duct for environmental control system: galvanized sheet and stainless steel; (plastics, fiberglass reinforced plastics, composite materials can be used)
4、工业通风系统用风管：钢板、镀锌板；（丽博通风管.可使用塑料、玻璃钢、复合材料）
4. Air duct for industrial ventilation system: steel plate, galvanized sheet; (Libo air duct. Plastic, FRP, composite materials can be used)
注：玻璃钢风管可分有机、无机二种，根据设计规范有消防要求的禁用有机材质；
Note: FRP ducts can be divided into organic and inorganic materials. According to the design specifications, prohibited organic materials are required for fire protection.
5、特殊使用场合用风管：矿用涂胶布风筒、矿用塑料通风管；（要求阻燃抗静电矿用安全特性）
5. Air ducts for special occasions: mine coated air ducts, mine plastic air ducts; (Require flame retardant and antistatic mine safety characteristics)