External wall grille stainless steel W=400 x H=400
is a louvre for the supply and exhaust of air. The dimensions given are the grille dimensions, the flange is larger and the recess must be 10 mm larger all round. The grilles are fitted with wire mesh as standard.
The maximum recommended supply air velocity is 3 m/s.
Stainless steel 304 alloy is used.
Dimensions of the external air grille
Spacing: W= +10mm x H= +10mm
External dimensions: W= +80mm x H= +80mm
All outdoor grilles are available in sendzimir galvanised, aluminium and stainless steel.
The gratings are also available in a RAL colour at an extra charge. Ask our advisers.
|External wall grilles stainless steel
|Manufacturer's item number
|With installation frame
|With insect mesh
|With bird mesh
|Nominal channel width
|Nom. channel height