Sand protection ventilation grille W468 SA

Optical free cross section 29%, physical free cross section 29%.

Download .PDF Lüftungsgitter W486SA [162 KB] 

Material

Made of aluminum profiles AlMgSi 0,5 (according to EN 12020-2)
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)
Slats are mounted vertically. No rivets visible on the front of the grille.
Standard with sand drainer, made of aluminum AlMgSi 0.5 and colored to match the grille.
Note: if anodized, slight color difference between sand drainer and ventilation grille.

Dimensions

Slat spacing: 85 mm
Installation depth: 60 mm
Overlap dimension: 25 mm
Minimum dimensions: 185 x 185 mm
Width: (a multiple of 42.5) + 185mm

Remark: - symmetrical grids at an even multiple - asymmetrical grids at an odd multiple
Maximum dimensions: 2012.5 x 1200 mm
Note: at a maximum wind load of 2kN / m⊃2;

Mounting

Wall anchor no. W429

Optional

Dust filter class G4
Metering type W468 SA/VA - same design as type W414/VA
Without stop frame

Application areas

Coastal
Dusty and polluted areas
HVAC
High voltage stations and power transformer cabins.
Mobile phone containers in sandy areas

Drawings sand protection ventilation grille W468 SA

Technical data sand protection ventilation grille W468 SA
Sand tightness (EN 13181)
Suction speed
0 m/s 97%
0,5 m/s 94%
Air diffuser EN 13030
K-factor (supply) 115,62
K-factor (discharge 115,62
Ce coefficient 0,093
Cd coefficient 0,093
Optical free cross section 29%
Physical free cross section 29%
IP class (ventilation grille with insect screen) IP2XD
Sand tightness
Sand resistance 98% at intake velocity 0 m/s
Sand resistance 94% at suction speed 0.5 m/s
Sand resistance 61% at suction speed 1.31 m/s

STANDARDS

This product has been tested according to the following standards :

EN 13141-1
EN 12020-2
EN AW 6063 T66
EN 60529 (IP classification)
EN 13181 (sand tightness)

Printable version