BI-RM/HS Series Belt Drive Utility Blowers

  • Complete range of sizes from 10" to 36".
  • Full AMCA Class 1 Operation.
  • Non-overloading backward inclined (BI) welded wheels.
  • Discharge position can be field rotated to any of 8 discharge positions.
  • Counter clock wise rotation is standard. Clock wise available.
  • Temperature Ratings - without a heat slinger 250º F with a heat slinger, steel wheel 400º F, aluminum wheel 300º F.
  • Motor access from 3 sides.
  • Vented motor and drive compartment cover, with handles, for safety & weather protection.
  • 16 gauge or heavier blower housing.
  • Heavy duty pillow block ball bearings.
  • Meets NFPA 96 guidelines.
  • Continuously welded 16 gauge or heavier blower housing.
  • Bolted clean out door.
  • 2” drain for easy removal of cleaning solutions.
  • Complete range of sizes from 10” to 36”.
  • Vinyl shaft seal.


  • Sizes from 10” to 24”.
  • Non-overloading backward inclined (BI) welded steel wheels only.
  • Counter clockwise rotation is standard.
  • Outlet flanges on model BI-24.
  • Heat slinger with vinyl shaft seal.
  • Upblast discharge directs exhaust away from roof.

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Bi-RM series specifications

Power rating (BHP) does not include transmission losses. Performance certified is for installation type B:
Free inlet, Ducted outlet. Performance ratings do not include the effect of appurtenances (accessories).
CFM values listed above are summarized for convenience.
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BI-RM series dimensions

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