IFD-O HI FLO Intumescent Fire Damper


IFD’s are designed to seal penetrations provided for movement of air via ducted or naturally ventilated means. Kilargo’s IFDs have no moving parts providing a reliability unmatched by conventional mechanical type fire dampers.


  • Hi Flo design with significantly reduced pressure drop
  • Suitable for exhaust systems where every Pa saved can mean reduced fan sizing and resultant power savings
  • System acoustic benefits
  • No thermal clearances required in installation
  • Reduced maintenance and resultant cost savings

Technical Data

  • Integrity fire rating – up to 2 hours
  • Sizes available 150mm and 200mm Diameter
  • Galvanised sleeve (spigot) 360mm long
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