Acoustic vents
Acoustic vents are designed for doors and walls in which ventilation between two rooms is desired, but no noise transmission. These vents are made of extruded aluminium profiles in a labyrinth, with an acoustic material between each layer. The flange edge is fitted with sealing insulation material.
- good sound insulation
- suitable for doors and walls
- easy to install
Description
Aluminium sound-absorbing grille 325x125mm
Colour
Anodised aluminium F1
Material
Aluminium
Opening size
325 x 125 mm
Height above surface (D)
5 mm
Passage
93 cm²
Pressure difference 10 Pa
82,77 m³/u
Description
Aluminium sound-absorbing grille 425x205mm
Colour
Anodised aluminium F1
Material
Aluminium
Opening size
425 x 205 mm
Height above surface (D)
5 mm
Passage
195 cm²
Pressure difference 10 Pa
173,55 m³/u
Description
Aluminium sound-absorbing grille 425x285mm
Colour
Anodised aluminium F1
Material
Aluminium
Opening size
425 x 285 mm
Height above surface (D)
5 mm
Installation depth
25 - 40 mm
Passage
270 cm²
Pressure difference 10 Pa
240,3 m³/u
Description
Aluminium sound-absorbing grille 525x285mm
Colour
Anodised aluminium F1
Material
Aluminium
Opening size
525 x 285 mm
Height above surface (D)
5 mm
Installation depth
25 - 40 mm
Passage
335 cm²
Pressure difference 10 Pa
298,15 m³/u
| Article | Description | Material | Centre-to-centre distance between screws (width x height) | ||
 | 640.006.17 | Aluminium sound-absorbing grille 325x125mm | Aluminium | - | |
 | 640.007.17 | Aluminium sound-absorbing grille 425x205mm | Aluminium | - | |
 | 640.008.17 | Aluminium sound-absorbing grille 425x285mm | Aluminium | - | |
 | 640.009.17 | Aluminium sound-absorbing grille 525x285mm | Aluminium | - |