Ventilation grille with V-blades

medium-heavy version, lamella spacing 33 mm, optically free cross-section 70%, physically free cross-section 49%.

Download .PDF Lüftungsgitter rotec W422 [160 KB] 

Poke-proof, medium-heavy ventilation grille W 422, front view

Poke-proof, medium-heavy ventilation grille W 422, with stainless steel grille

Transformer station Siemens Munich

Material

Made of aluminum profiles: AlMgSi 0,5 (according to EN 12020-2) - Insect screen made of stainless steel 304, (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)

Waterproof

Mounting the ventilation grilles

Wall anchor no. 1428
For ventilation grilles from approx. 3 m⊃2; a substructure provided by the customer is necessary, suitable for the span and wind load

Options

Water drainage channel
Watershed
Removable insect screen
Filter without stop frame
Ventilation grille for frame installation W428

Typical application areas

Applications where extreme stability and non-stick properties are important parameters

Sectional drawing ventilation grille with V-blade

Technical data

Air diffuser
EN 13030
K-factor (supply) 13,42
K-factor (discharge 9,35
Ce coefficient 0,273
Cd coefficient 0,327
Optical free cross section 70%
Physical free cross section 49%
IP class (ventilation grille with insect screen; electrical installation at least 100 mm from the ventilation grille). IP2XD
Tender specification ventilation grille with V-blade

Ventilation grilles with puncture-proof horizontal V-blades made of aluminum (AL Mg Si 0.5),
slat spacing 33.3mm, with L-shaped frame for masonry installation, natural color
anodized / coated in RAL ...., with stainless steel insect screen on the back
2.3×2.3mm mesh,
Shell opening : ... x ...mm

Make: rotec ventilation grille Berlin
Model: W422 for wall mounting
Item no.: W422

Printable version