CR120-L500 - Optimised circular fire damper up to 120'

CR120 damper with a tunnel casing extension at the wall side to facilitate the connection to the duct when the supporting construction is thicker than 100 mm.


  • Easy to install
  • Optimal free air passage and minimal pressure loss
  • Optimal acoustic performance
  • Higher net building volume through compact size
  • Air-tightness class C according to EN1751


  • Suitable for built-in installation
  • Suitable for installation remote from the wall
  • Minimal distance allowed
  • Suitable for installation in rigid wall, rigid floor, flexible wall and flexible shaft wall (metal stud gypsum plasterboard wall)
  • Sealing with fire resistant stone wool boards allowed, also for asymmetric opening
  • Tested according to EN 1366-2 up to 500 Pa
  • Operating mechanism outside the wall
  • Maintenance-free
  • For indoor use
  • Operating temperature: max. 50°C


  1. Casing in galvanised steel
  2. Damper blade
  3. Operating mechanism
  4. Rubber sealing ring
  5. Intumescent strip
  6. Positioning plate
  7. Sealing ring for damper blade
  8. Fusible link
  9. Product identification