Y5-47 series boiler centrifugal induced draught fans have the features such as low noise, simple structure,flexible regulation of the air volume and wind-direction etc. It is applicable for various coal combustion, The industrial boiler is equipped with fume-extraction & dust-collection device. The conveying gas temp 250. The drive means of this fan has C-type and D-type two kinds with water-coole, bearing base and air volume regulating door, If a de-oscillator is chosen, the user can lace the fan in the concrete plane. It is easy to install and debug with noneed for the bolt.