Innovative solution for maximum safety

New compact system solution for closing overflow openings

OR4 smoke release device in combination with FK90 & FR90 fire dampers for closing overflow openings

We present our latest product solutions for closing overflow openings in walls and ceilings. The Ü-FK (OR4 series) and Ü-FR (OR4 series) combine motorized FK90 fire dampers or FR90 fire dampers with the OR4 smoke detector.

These compact, approved complete solutions are carefully coordinated and have a general type approval. So-called overflow dampers are fire dampers without connection to ventilation ducts. They ensure safe use when closing overflow openings for the ventilation of internal corridors and rooms.

Benefit from the following features of the Ü-FK and Ü-FR:

  • Compact, approved system solution
  • Numerous tested installation options for the FR90 and FK90
  • OR4 smoke release device with universal power supply
  • Tool-free accessibility of the smoke switch by means of a quick-release fastener

"With this product extension, we are offering our customers an innovative solution for closing overflow openings that combines maximum safety, easy handling and maximum reliability," says Nils Zander, the responsible product manager from the Fire Protection & Smoke Extraction division.

Discover the new product solutions from Wildeboer. Further information can be found on the product pages of the Ü-FR and Ü-FK overflow opening solutions and in the following documents:

User manual OR4 (DE)
Approval Z-6.50-2132
Approval Z-6.50-2133