Here is the translation into English:

The rectangular fire damper MARKAGE FD can be installed in walls, providing a fire resistance of up to 90 minutes. The damper is available in a wide range of sizes.

Fire dampers are used to prevent the spread of fire and smoke through ventilation systems, installed in ducts that penetrate walls separating two fire compartments. They restore the fire resistance and smoke tightness rating of the duct penetration through the wall. The dampers are CE marked and can be equipped with various mechanisms according to specific project needs or local regulations.

Features:

- Can be activated through a communication module.
- Available in a wide range of sizes, including large dimensions.
- Approved for mounting on solid and lightweight walls (metal structure and gypsum boards).
- No maintenance required.
- For indoor use.
- Certifications:

   - EN 15650 Certified - Building ventilation (Fire dampers)
   - EN 1366-2 Certified – Fire resistance tests for service installations (Fire dampers)

MARKAGE FD Models:

MARKAGE FD BFL(T) 24: MARKAGE FD with spring return servo motor BFL(T) 24 V.
MARKAGE FD BFL(T) 230: MARKAGE FD with spring return servo motor BFL(T) 230 V.
MARKAGE FD BFN(T) 24: MARKAGE FD with spring return servo motor BFN(T) 24 V.
MARKAGE FD BFN(T) 230: MARKAGE FD with spring return servo motor BFN(T) 24 V.
MARKAGE FD BF(T) 24: MARKAGE FD with spring return servo motor BF(T) 24 V. Designed for large dimension dampers L + H > 1200 mm).
MARKAGE FD BF(T) 230: MARKAGE FD with spring return servo motor BF(T) 230 V. Designed for large dimension dampers (L + H > 1200 mm).