CR2 - Circular fire damper for large diameters

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

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