Ventilation grille for frame installation W484
Ventilation grille for frame installation, medium weight
Version, slat spacing 50 mm
Aluminum ventilation grille W484, exterior view
Aluminum ventilation grille W484 with stainless steel fly gauze
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)
Dimensions
Slat spacing: 50 mm
Clamping thickness: 24 or 28 mm
Please specify when ordering: Width x height in mm (overall dimensions)
Minimum dimensions: 220 x 220 mm
Mounting
Installation like double glazing
Use of block bridges is recommended
Options
Water drainage channel
Removable insect screen
Metering type W484/VA - same design as type W414/VA
Sectional drawing ventilation grille W484

Technical data ventilation grille W484
Technical data
| Air diffuser | (EN 13030) |
| K-factor (supply) | 9,41 |
| K-factor (discharge | 9,47 |
| Ce coefficient | 0,326 |
| Cd coefficient | 0,325 |
| Optical free cross section | 70% |
| Physical free cross section | 60% |
| IP class (ventilation grille with insect screen; electrical installation at least 100 mm from ventilation grille). | P2XD |
Tender specification ventilation grille W484
Ventilation grille for frame installation 484, medium-heavy version
with horizontal fixed and extruded ALU weather protection lamellas (AL Mg Si 0,5), lamella spacing 50mm, with clamping frame 24mm for installation in the
Glass rebate or P/R construction, natural color anodized / coated in RAL ...., with rear stainless steel insect screen 2.3×2.3mm mesh, physical
free cross section 60 %
Total dimensions of the grids : ... x ...mm
Make: rotec ventilation grille Berlin
Model: W484 for wall mounting
Item no.: W484