Ventilation grille for frame installation, louver spacing 33
Ventilation grille for frame installation W414
Ventilation grille W414 with stainless steel fly gauze
Material
Made of aluminum profiles: AlMgSi 0.5 (according to EN 12020-2)
Insect screen made of stainless steel 1.4301 (mesh size 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: 33.3 mm
Clamping thickness: 24, 28 or 32 mm
Minimum dimensions: 130 x 130 mm
Please specify when ordering: Width x height in mm (overall dimensions)
Please specify when ordering: Overall dimensions (width x height)
Mounting
Installation like double glazing
Use of block bridges is recommended
Options
Water drainage channel
Removable insect screen
Filter
Overpressure grid
Sectional drawing ventilation grille W414
Technical data ventilation grille W414
Technical data
| Air diffuser |
(EN 13030) |
| K-factor (supply) | 25,56 |
| K-factor (discharge | 25,51 |
| Ce coefficient | 0,206 |
| Cd coefficient | 0,198 |
| Optical free cross section | 59% |
| Physical free cross section | 45% |
| IP class (ventilation grille with insect screen) | IP2XD |
| (Electrical installation at least 100 mm from ventilation grille) |
Tender specification ventilation grille W414
Ventilation grilles with horizontal, fixed and extruded ALU weather protection blades (AL
Mg Si 0.5), blade spacing 33.3 mm, with clamping frame for installation in the
Glass rebate or P/R construction, natural anodized / coated in RAL ...., with
stainless steel insect screen on the back, total dimensions of the screens : ... x ...mm
Make: rotec ventilation grille Berlin
Model: W414 for frame installation
Item no.: W414
English 
German