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

Operation inspection of tube axial fanWhen the tube axial fan is running, it mainly monitors the current of the motor. The current is not only the mark of the fan load, but also the prediction of some abnormal changes. Read More

Fans can be divided into several categories according to the materials used, such as iron shell fans (ordinary fans), glass fiber reinforced plastic fans, plastic fans, aluminum fans, stainless steel fans and so on. Read More