Centrifugal fans

Impeller Type


Backward Inclined Centrifugal Fan, SWSI


The CB-SW centrifugal fan is designed to handle large volumes of relatively clean air at low to moderate pressures in applications such as HVAC, combustion air supply, filtration and drying systems, fume hood and spray booth as well as other exhaust systems, air pollution control (clean side of dust collectors) and industrial processes. The CB-SW features a backward inclined impeller constructed of steel using flat single thickness blades, solid welded to the rim and back plate.

Sizes (impeller diameters)

  • 12.25 to 98.25 inches (315 mm to 2,500 mm)


  • Airflow to 277,500 CFM (471,500 m3/hour)
  • Static pressure to 20 inches w.g. (4,970 Pa)

Brochures & Flyers

Link To Video Library

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