CR2-L500 - Circular fire damper for large diameters

CR2 damper with extended casing (500 mm)
configure

CR2 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.

benefits

  • Large dimensions

Features

  • Suitable for built-in installation
  • Minimal distance allowed
  • Suitable for rigid wall, rigid floor and light wall (metal stud gypsum plasterboard wall, gypsum blocks)
  • Sealing with fire resistant stone wool boards allowed, also for asymmetric opening
  • Air tightness in accordance with EN 1751: class ATC 4 (formerly B), class ATC 3 in option (formerly C)
  • 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

Components

Components
  1. Casing in galvanised steel
  2. Damper blade
  3. Operating mechanism
  4. Sealing cold smoke
  5. Blade bumper
  6. Intumescent strip
  7. Fusible link
  8. Rubber sealing ring
  9. Product identification