The KPU-1N universal fire damper is designed for automatic closure of openings in building structures during a fire and for protecting air ducts of smoke extraction and smoke control systems.
It is used to close openings and passages where ventilation ducts pass through floors, walls, or partitions.

Available in round and rectangular sections.

According to functional purpose, it can be used as:

• fire damper (O);

• smoke damper (D).

Complies with SNiP 2.04.05 and DBN V.1.1.7-2002 standards.
Fire resistance rating:

• fire damper — EI 120;

• smoke damper — E 180