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Exhaust fans Centrifugal Centrifugal Downblast Fan – Direct Drive (DR-HRA)
DR-HRA
DR-HRA

Centrifugal Downblast Fan – Direct Drive

(DR-HRA)

Centrifugal direct drive fans are designed to pull more air under higher static pressures. The efficient, balanced wheel and air inlet design contribute to maintaining low noise levels and extended motor life. These fans are well suited for installation in hospitals, schools, motels and hotels, auditoriums, office buildings and light industrial areas.

  • Air Volume: 2 – 25,000 cfm
  • Maximum SP: 4" wg. @ standard air density
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Features

  1. Spun aluminum housing for rust-free, weather resistant durability
  2. Standard bird screen
  3. Non-overloading backward inclined wheels, blades and inlets fabricated from aluminum
  4. Some sizes can be wall mounted
  5. Wire conduit to provide a clear channel for electrical connections
  6. Safety disconnect
  7. Variable speed control

Options

  1. Gravity damper
  2. Motorized damper
  3. Wall mount sleeve
  4. Roof curb

Certifications

RuppAir certifies that Model DR10HRA thru DR360HRA shown herein are licensed to bear the AMCA seal. The ratings shown are based on tests & procedures in accordance with AMCA Publication 211 and Publication 311, and comply with the requirements of the AMCA Certified Rating Program.

Models DR10HRA thru DR360HRA 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. DR10HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with speed control (speed control included for single phase only), birdscreen, disconnect switch and 9" wheel
  2. DR12HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with speed control (speed control included for single phase only), birdscreen, disconnect switch and 10-1/2" wheel
  3. DR25HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with speed control (speed control included for single phase only), birdscreen, disconnect switch and 11-3/4" wheel
  4. DR30HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with speed control (speed control included for single phase only), birdscreen, disconnect switch and 11-3/4" wheel
  5. DR33HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with speed control (speed control included for single phase only), birdscreen, disconnect switch and 11-3/4" wheel
  6. DR50HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with speed control (speed control included for single phase only), birdscreen, disconnect switch and 13-3/4" wheel
  7. DR75HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with speed control (speed control included for single phase only), birdscreen, disconnect switch and 15-3/4" wheel
  8. DR85HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with speed control (speed control included for single phase only), birdscreen, disconnect switch and 15-3/4" wheel
  9. DR180HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with birdscreen, disconnect switch and 18-3/4" wheel
  10. DR200HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with birdscreen, disconnect switch and 20-3/4" wheel
  11. DR240HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with birdscreen, disconnect switch and 24" wheel
  12. DR300HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with birdscreen, disconnect switch and 30" wheel
  13. DR360HRA High Speed Direct Drive Centrifugal Downblast Exhaust Fan with birdscreen, disconnect switch and 36" wheel
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