Round ventilation grille W411R

Round grille with stop

Download PDF rundes Lüftungsgitter W411R [124 KB] 

Ventilation grille view from front

Back of the ventilation grille with stainless steel fly gauze

Material

Made of aluminum profiles: AlMgSi 0.5 (according to EN 12020-2)
304 stainless steel insect screen (machining on request)
Silver color (E6/EV1) - bronze color (E6/C34) (20 micron) anodized or powder coated according to RAL colors (60-80 micron)
Frame welded on one side only

Dimensions

Slat spacing: 33 mm
Installation depth: 28 mm
Overlap dimension: 23 mm
Minimum diameter: 300 mm

Maximum diameter:
- 1400 mm if anodized in E6/EV1
- 1500 mm if RAL powder coated
- Above 1500 mm: 2-part

Mounting

Wall anchor pre-mounted on the frame

Typical application areas

Any application without special requirements

Sectional drawing

Technical data ventilation grille W411R
Air diffuser EN 13030
K-factor (supply) 23,56
K-factor (discharge 25,51
Ce coefficient 0,206
Cd coefficient 0,198
Optical free cross section 59%
Physical free cross section 40,5%
IP class (ventilation grille with insect screen; electrical installation at least 100 mm from ventilation grille). IP2XD
Tender texts round ventilation grille

Aluminum ventilation grille W411R: round grille, for wall installation

with horizontal, fixed and extruded ALU weather protection blades (AL Mg Si 0.5),
Slat spacing 33.5mm, with L-shaped frame for wall installation, frame welded on one side only,
natural anodized / coated in RAL ..., with stainless steel insect screen on the back,
Shell opening : ... x ...mm

Make: rotec ventilation grille Berlin
Model: W411R Round
Item no.: W441R

Printable version