Square Inline Centrifugal Fan - Welded Construction

Vari-Flow ControlsAMCA

Centrifugal, welded in-line fan. Belt or drive, duct (square) mount, for either vertical or horizontal installation. Used in a variety of commercial and light industrial applications where the air is ducted through the building. Unit’s welded housing is more robust that traditional square in-line design units.


  • Welded housing
  • Cast regreasable bearings (Belt Drive)
  • Flanged inlet and outlet connections
  • Four-bolt motor plate for positive belt  tensioning (Belt drive)
  • Spark resistant construction available upon request


  • Housing Material: Steel
  • Finish: Lorenized ™
  • Ventilator Type: Fan
  • Impeller: Centrifugal
  • Bearings: L-50, over 200,000 hours


  • Mounting: Duct Mounted/Inline
  • Drive Type: Direct Drive, Belt Drive
  • Motor: AC, PM
  • Max Operating Temp (Standard Construction): 180°F
  • Max Operating Temp (Alt. Construction): 200°F
  • Speed Control: FSC, VFD, Vari-Flow, SimpliDrive
  • Flow: Supply, Exhaust
  • Filtration: Unfiltered
Made in the USA

Accessories & Vari-Flow Controls