Excess pressure damper AIS


Used in exhaust air outlets. Louvres are opened by air flow, and close automatically when air flow stops.


* The frame of the louvre system is made of galvanized steel and the louvres are made of aluminium profile.
* The louvres are bearing-mounted.
* For rectangular ducts (SFS 3281) and vents.

Tailored dimensions can also be produced flexibly and fast.