M9-26-type centrifugal fan pulverized coal fired power plant is mainly used for small and medium sized milling system forced ventilation, can also be widely used in transportation of materials, air and non-corrosive, non-spontaneous, non-sticky material gas, transmission medium temperature for 70 ℃. The fan is a single inhalation, there is a total of five kinds of machines NO.12.5,13,14,15,16.5 number. Fans can be made clockwise and counterclockwise rotation of two types. From the motor side of the face, the impeller rotates clockwise, called cis Tornado aircraft, to shun said impeller rotates counterclockwise, called inverse Tornado aircraft, in order to indicate the reverse.