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Exhaust fans Centrifugal Centrifugal Upblast Direct Drive Fan (DU-HRA)
DU-HRA
DU-HRA
DU-HRA
DU-HRA
DU-HRA

Centrifugal Upblast Direct Drive Fan

(DU-HRA)

Direct Drive. For drawing more air under moderate static pressures, well suited for commercial kitchen applications.

  • Air Volume: 2 – 22,500 cfm
  • Maximum SP: 4" wg. @ standard air density
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Features

  1. Completely enclosed drive compartment protects motor from airborne contaminants
  2. Forced fresh air through the motor compartment cools motor and ensures long motor life
  3. Variable speed control on single phase units only (VFDs required to adjust speed for 3 phase versions)
  4. Non-overloading backward inclined wheels, blades and inlets fabricated from aluminum
  5. Units up to 24" nominal wheel can be wall mounted
  6. Quick release latches allow for easy access to motor compartment (Size 12 & larger)
  7. Standard emergency disconnect switch (Size 12 & larger)

Options

  1. Gravity damper (UL705 only)
  2. Motorized damper (UL705 only)
  3. Wall mount sleeve
  4. Roof curb (vented and non-vented)
  5. Grease collection box (Size 12 & larger)
  6. Bird screen (UL705 only)
  7. Base hinging kit or hinged sub base (for NFPA96 compliance)
  8. Combination package that includes a supply fan mounted on the same roof curb

Certifications

RuppAir certifies that Model DU10HRA thru DU360HRA shown herein are licensed to bear the AMCA seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and Publication 311, and comply with the requirements of the AMCA Certified Rating Program.

Models DU10HRA thru DU360HRA are ETL Listed under file number 102628244PRT-001 and comply with UL705 (electrical) Standards and CSA Std C22.2, No 113.

Catalog #110R

May 2024

Resources

Models

  1. DU10HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with speed control (speed control included for single phase only), disconnect switch and 9" wheel.
  2. DU12HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with speed control (speed control included for single phase only), disconnect switch and 10-1/2" wheel.
  3. DU25HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with speed control (speed control included for single phase only), disconnect switch and 11-3/4" wheel.
  4. DU30HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with speed control (speed control included for single phase only), disconnect switch and 11-3/4" Wheel.
  5. DU33HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with speed control (speed control included for single phase only), disconnect switch and 11-3/4" wheel.
  6. DU50HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with speed control (speed control included for single phase only), disconnect switch and 13-3/4" wheel.
  7. DU75HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with speed control (speed control included for single phase only), disconnect switch and 15-3/4" wheel.
  8. DU85HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with speed control (speed control included for single phase only), disconnect switch and 15-3/4" wheel.
  9. DU180HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with, disconnect switch and 18-3/4" wheel.
  10. DU200HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with disconnect switch and 20-3/4" wheel.
  11. DU240HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with disconnect switch and 24" wheel.
  12. DU300HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with disconnect switch and 30" wheel.
  13. DU360HRA High Speed Direct Drive Centrifugal Upblast Exhaust Fan with disconnect switch and 36" wheel.
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