Soundproofing ventilation grilles W445/86
Soundproofing ventilation grilles
Material
Made of aluminum profiles: AlMgSi 0.5 (according to EN 12020-2)
304 stainless steel insect screen (mesh pitch on request)
Silver color (E6/EV1) - bronze color (E6/C34) (20 micron) anodized or powder coated according to RAL colors (60-80 micron)
100% corrosion resistant
Dimensions
Slat spacing: 60 mm
Dimensions: Installation depth: 81.5 mm
Overlap dimension: 50 mm
Height in steps of 60 mm (distance between slats)
Minimum dimensions: 200 x 200 mm
Mounting
Wall anchor No. W429 (not included in delivery)
Options
Water drainage channel
Watershed
Removable insect screen
Features
The sound-insulating properties of Renson® louvers have been tested by the internationally recognized IFT Labor Rosenheim (Germany).
The waterproofness was tested by the BSRIA laboratories
Drawing soundproofing ventilation grilles W445/86
Technical data ventilation grille W445/86
Technical data
| Air diffuser | (EN 13030) |
| K-factor (supply) | 9,32 |
| K-factor (discharge | 13,29 |
| Ce coefficient | 0,329 |
| Cd coefficient | 0,274 |
| Optical free cross section | 77% |
| Physical free cross section | 34% |
| Comfort | (EN ISO 140-10, EN ISO 717-1) |
| Sound insulation in open position Rw (C;Ctr) | 6 (-1;-2) dB |
| Sound attenuation in dB per frequency | W445/86 |
| f in Hz | R in dB |
| 63 | 10,4 |
| 125 | 5,8 |
| 250 | 1,5 |
| 500 | 1,6 |
| 1000 | 4,5 |
| 2000 | 9,9 |
| 4000 | 10,8 |
English 
German