Rectangular fire dampers CU-LT are installed in ventilation ducts passing through a construction element in order to stop the propagation of fire. They consist of a modular operating mechanism positioned completely outside the wall.

The rectangular fire damper CU-LT has a fire resistance up to 120 minutes. The casing is made of galvanised steel.
This fire damper is especially designed for smaller dimensions from 200 x 100 to 800 x 600 mm.

The fire damper can be equipped with a fusible link mechanism up to a motorized mechanism.


  • Tested according to EN 1366-2 up to 500 Pa
  • Minimal pressure drop - very thin damper blade 25 mm
  • Air tightness according to EN 1751 minimum class B (class C on demand)
  • Suitable for mounting in rigid wall/floor and flexible wall (metal stud gypsum plasterboard)
  • Operating mechanism completely outside the wall
  • Easy to install
  • Maintenance free
  • For interior applications

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