Smoke protection dampers

Smoke protection dampers in supply air systems prevent smoke from entering or being transmitted into the building. They protect the supply air in ventilation systems with recirculated air or heat recovery against the ingress of smoke from the extract air.

Smoke protection dampers must be controlled with smoke release devices such as the OR4 basic, the OR4 pro or the OR32. Smoke detectors may control groups of smoke protection dampers together.