CR120-1S-L500 - Optimised circular fire damper up to 120'

CR120-1S 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.


  • No specific tools, no sealing required
  • Fast installation
  • Air-tightness class C according to EN1751


  • Suitable for surface-mount in rigid wall and light wall (metal stud gypsum plasterboard wall)
  • Not available in diameter 150, 180 and 300 mm
  • Minimal distance allowed


  1. Fire damper
  2. Upper mounting collar
  3. Lower mounting collar
  4. Graphite strip
  5. Sealing cold smoke
  6. Tape + graphite strip