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Backward Curved

Utility fans

Backward Curved


In stock
Item # CUF-BACK-CRV Brand: Continental Fan (CFM)



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  • Description
  • Additional information


BIU Utility Fans – Backward Curved / Inclined

BIU Utility Fans provide the perfect solution for many industrial and commercial belt drive fan applications. They feature heavy gauge, rugged welded steel construction. Depending on the size selection, BIU utility fans are furnished with either a BI backward inclined wheel or BCA backward curved airfoil wheel. Class, I construction is standard and Class II construction is available as an option.  BIU utility fans are available in Arrangement 10, SWSI construction. These superbly crafted and precision balanced utility blowers are offered in thirteen sizes ranging from 10″ to 36″, with airflow capacities up to 30,640 cfm.


  • Heavy gauge, rugged welded steel construction
  • Backward inclined steel wheels on sizes BIU-10 thru BIU-24
  • Backward curved airfoil steel wheels on sizes BIU-27 thru BIU-36
  • Baked polyester powder coat finish
  • Self-aligning pillow block bearings
  • Standard bearings have 100,000 hours average life
  • Special bearings available with 400,000 hours average life
  • CW and CCW rotation
  • Discharge rotatable to 8 positions
  • Rigid circular stamped inlet ring
  • Adjustable V-belt drive
  • TEFC industrial duty motor
  • AMCA Class I construction
  • Sizes range from 10″ to 36″
  • Capacities from 509 cfm to 30,640 cfm

*Click on model numbers below to get a quick quote.

Model Minimum Maximum
BIU-10 509 2,671
BIU-12 686 4,118
BIU-13 839 5,035
BIU-15 1,024 5,888
BIU-16 1,248 7,176
BIU-18 1,519 8,735
BIU-20 1,854 10,199
BIU-22 2,262 13,004
BIU-24 3,458 15,907
BIU-27 3,352 15,922
BIU-30 4,136 19,646
BIU-33 5,008 23,788
BIU-36 6,128 30,640


Additional information

Weight 1 lbs
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