A damper is a machine used to measure the airtightness of a building. It can also be used to measure airflow between building areas, test the airtightness of ductwork, and help physically locate air leaks within the building envelope. [1]A blower door consists of three main components: (1) a calibra Read More

The following classifications are made according to the characteristics of tube axial fans:Classification by material: steel fan, FRP fan, plastic fan, PP fan, PVC fan, magnesium alloy fan, aluminum fan, stainless steel fan, etc. Read More

If the fan fails during use, the cause should be identified in time, the fault should be found out in a targeted manner, and the repair and elimination should be carried out reasonably to avoid damage to the body and safety accidents. Read More