This standard specifies the technical requirements, inspection methods, inspection rules, marking and packaging of air-conditioning and ventilation duct cleaning equipment for railway passenger cars. This standard is applicable to the cleaning equipment for air-conditioning ventilation ducts of type 25 passenger cars. Other models can be used as a reference.
TB/T 3318-2013 history
2013TB/T 3318-2013 Cleaning equipments for air conditioning ventilation system of railway passenger car