The IRF model is a material handling fan with flat radial blades and flat back plate design prevent stringy or fibrous material from hanging up and wrapping around the blades, and are used for light to medium material handling applications.

Airstream/performance: Radial open (paddle wheel), clean air to heavy material loading, low to high volume, low to medium pressure applications.

Applications: Scrubber fans, cyclone fans, relay or booster fans, pneumatic conveying fans, classifier fans, material conveying fans, truck loading, chip fans, corrosive and high temp gas streams.

  • Sizes 12-1/4” – 57-1/2” wheel diameter
  • Construction Class 15, 30 & 50
  • Volume up to 92,000 CFM
  • Pressure up to 45″ WG
  • Temperature Range -30° to 1000°F
  • Arrangements 1, 4, 4V, 8, 9
IRF Fan Inlet Side

Arrangement 1 Shown

IRF Wheel Types

Steel Wheel

  • For Light to Medium, Stringy or Fibrous Material Handling Applications
  • Flat Back Plate
  • Flat Radial Blades
  • Operating Temperatures up to 1000 °F
IRF Wheel

Construction Features

  1. Continuously Welded Steel Housing
  2. Fixed Housing with Any Discharge Angle
  3. All Wheels are balanced to Grade G6.3 or Better
  4. Shafting is 1045 Bearing Grade TG&P
    • Sized for the first critical speed to be 1.25 times the max speed or higher
  5. Anti-Friction Pillow Block Bearings
    • Premium grease lubrication
    • Rated bearing life (L10) of 40,000 hours
  6. Inlet (flange style shown)
  7. Flanged Outlet with Mounting Holes

Additional Features

  • Lifting Lugs for use in installation
  • Extended Lubrication Lines for Easy Maintenance
  • IATC Industrial Blue Enamel Paint
IRF Fan Inlet Side

Arrangement 1 Shown

IRF Fan Drive Side

Available Options

IRO Slip Inlet Cylinder

Slip Collar

IRO Flanged Inlet No Stiffeners

Flanged with Mounting Holes