Application
Nominal sizes
Parts and characteristics
Construction features
Materials and surfaces
Maintenance
Nominal sizes | 225 × 75 to 1225 × 525 mm |
Damper units, rectangular, made of galvanised sheet steel, for supply and extract air. Installation preferably in rectangular ducts.
Ready-to-install component which consists of an angle section frame and hit and miss damper elements with airflow straighteners for flow adjustment and for achieving a uniform air discharge.
Materials and surfaces
Technical data
Sizing data
Air-regenerated noise
This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design programme.
Order example: ASW/625×225
Nominal size | 625 × 225 mm |
The weight table shows the available nominal sizes
ASW
75 | 0.4 | 0.5 | 0.6 | 0.8 | 0.9 | 1.2 | 1.4 | 1.7 |
125 | 0.5 | 0.7 | 0.9 | 1.1 | 1.3 | 1.7 | 2.1 | 2.5 |
225 | 1.2 | 1.5 | 1.8 | 2.2 | 2.8 | 3.4 | 4.1 | |
325 | 2.1 | 2.6 | 3.0 | 3.9 | 4.7 | 5.6 |
Installation and commissioning
Volume flow rate balancing
When several ventilation grilles are installed on the same duct, it may be necessary to balance the volume flow rates.
Principal dimensions
L [mm]
Nominal length of the ventilation grille
H [mm]
Nominal height of the ventilation grille
m [kg]
Weight
Nomenclature
LWA [dB(A)]
Sound power level of the air-regenerated noise
V [m³/h] and [l/s]
Volume flow rate
Δpt [Pa]
Total differential pressure
lS [m]
Distance from single grille or horizontal run section (throw distance)
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