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CR2-L500 - Circular fire damper for large diameters
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
- Dimensions
- Selection data
- Installation
- Classification
- Documents
- Mechanisms
- Options and kits
- Contact us
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
- Casing in galvanised steel
- Damper blade
- Operating mechanism
- Sealing cold smoke
- Blade bumper
- Intumescent strip
- Fusible link
- Rubber sealing ring
- Product identification