Products casing and blades are manufactured from extruded aluminium proﬁle.
Used as a one way air ﬂow component in air duct systems. The damper which is in the open position in the suction and evacuation lines due to air ﬂow, closes when there the air ﬂow is interrupted and prevents back draft. Manual adjustment is not applicable.
Dikdörtgen geri akış damperi efektif alan tablosu :
- Aeff (m²): Effective area
- W (mm): Rectangular back draft damper width
- H (mm): Rectangular back draft damper height