D series centrifugal blower is of high speed, multistagem, double support and vertically split construction. The blower is mainly used to deliver the medium including air, clean gases, N2 and other non-poisonous and non-corrosive mixed gases, The dust content is less than 10mg/m3. Aerodynamic design is carried out by use of high efficent model stage which is characterized by: reliable perform ance; high efficienty; the range of flow rate from 200 to 1700m3/min. the pressure ratio from 1.15 to 3: normal and 3-Dbasde types; the beadngs have two types: tilting pads bearing and elliptical journal bearing.The blower has high reliability.
      Auxiliary equipment includes lube oil system, high fuel tank and gear box etc.