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 ™
    Impeller Centrifugal
    Bearings L-50, over 200,000 hours


    Drive Type
  • Direct Drive
  • Belt Drive
  • Motor
  • AC
  • PM
  • Max Operating Temp (Standard Construction) 180°F
    Max Operating Temp (Alt. Construction) 225°F
    Speed Control
  • FSC
  • VFD
  • Vari-Flow
  • SimpliDrive
  • Flow
  • Supply
  • Exhaust
  • Filtration
  • Unfiltered
  • Accessories & Vari-Flow Controls