Direct drive, tubeaxial exhauster with the motor in the airstream. Capacities up to 14,792 CFM and up to 3/4 inch static pressure. The compact design provides easy installation with ducted ventilation systems. The HDD is designed to operate in any position and is furnished with mounting flanges on both ends for easy installation.



  • Constructed of heavy gauge rolled steel
  • Rolled flange at each end for ease of mounting
  • Standard charcoal baked enamel finish provides a tough durable surface

Aluminum Propeller

  • Heavy duty, all welded aluminum construction 
  • Precision balanced circular-arc blades for high airflow capacity
  • Explosion proof switch separate when explosion proof motors are selected

Disconnect Switch

  • All units are equipped with a factory wired disconnect switch


  • Continuous duty motors located outside the airstream
  • Motors shipped mounted to the fan



  • Coatings
  • 2 Speed Switch
  • Solid State Speed Controller
  • Companion Flange
  • Mounting Base
  • Guard

Additional Info

  • Max Static Pressure: .75" w.c.
  • Max Airflow (CFM): 14,792
  • Drive Type: Direct Drive
  • Blade Type: Axial
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