Centrifugal fans

Impeller Type


Backward Inclined Utility Blower, Kitchen Exhaust


The BIUBR is a backward inclined utility set designed to supply and exhaust air in hospitals, hotels, schools, fume hoods, etc. and is UL 762 listed for the exhaust of grease-laden air.

The BIUBR is designed to meet AMCA requirements for Class L, Class I and Class II construction with both aluminum and steel impellers. Fan housings are coated with a powder coat as standard. Weather covers are also available for protecting the motor and drives for outdoor applications.

Sizes (impeller diameters)

  • 10.5 to 36.5 inches (315 mm to 930 mm)


  • Airflow to 29,100 CFM (49,400 m3/hour)
  • Static pressure to 8 inches w.g. (1,990 Pa)

Installation manual

Link To Video Library

  • How To Videos
    (Inertia Base Installation, Rotor Removal & Installation, Sheave Installation, Unitary Base Installation, Impeller Removal & Installation, Piezometer Ring Installation)