Donaldson Downflo Oval Dust Collectors

The Donaldson Downflo range of high performance dust collectors provide up to 25% more filtration capacity than similar sized dust collectors making the DFO series one of the most compact footprint dust collectors available.

Dirty laden air enters the dust collector at a high level with clean filtered air leaving the dust collector at a low level, creating a down flow air wash across the media.

Having no updraft velocity through the cartridge collector makes the DFO ideally suited for handling Aluminium or Zinc metal spray and arc air cutting applications.

Various cartridge media types can be applied from Ultraweb, Spun Bonded Polyester, Tetratex and Nomex elements with dust carry over levels as low as 1mg/m3 being achievable.

Dust which has fallen out of the air stream from the filter cell following pulse cleaning is channelled via a hopper section with support steelwork to single or multiple flanged outlets.

Various discharge valves can be applied to basic collection bins with bin liner option, manual wafer bagging of valve, double weighted counter balance valve, rotary valves and screw conveyors.


Key Features:

  • Heavy duty welded construction
  • Filter sizes range from 17.6M2 to 4500M2 areas
  • Various filter media: UltraWeb, Spun Bonded Polyester, Tetratex & Nomex
  • Compressed air cleaning 24 hour per day operation
  • Pulse on demand air saver technology
  • Clean side accessible filter removal
  • Integral and floor mounted fanset options
  • Acoustic diffuser silencer options
  • Indoor/outdoor location
  • Multiple hopper alternatives and support steelwork
  • Starter controllers
  • Energy saving Inverter controls
  • Stainless Steel construction for food & chemical industry
  • ATEX Explosion vents ST1, ST2 & ST3 explosibilty rating
  • After filtration and HEPA back up systems
  • Screw conveyors
  • Rotary valves, butterfly wafer manual valves, collection bins with bin liner options
  • British Standard ladders, handrail & platforms