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Distinctive features of new generation of fans

  • Two ways of regulation of operating conditions: step regulation with individual transfer of impeller blades on stopped rotor, or operative stepless regulation with changing of rotor speed which also allows to increase air flow and pressure at reverse and after blasting (at increase of the rotor speed);
  • Single-stage fulfillment, where the fan casing is shorter, and the rotor shaft is also shorter and less loaded (one impeller) with less loading on bearings, and also the noise is decreased due to less number of blade rows;
  • Application of input box allows shortening of transmission shaft through making it easier and more rigid;
  • Increase of operation reliability due to vibration control of rotor bearings and application of surge protection system;
  • Durability of impeller blades with double covering;
  • Application of SKF bearings with increased load-carrying capacity and allowed rotation speed.


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