CR2 - Circular fire damper for large diameters

Circular fire damper available in the largest diameters (up to 630 mm) with a fire resistance up to 120 minutes.

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 B (class C in option )
  • 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