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Wall louvre 411: built-in, standard series

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Specifications sheet

Specifications sheet

Material
» Aluminium Al Mg Si 0,5

Finishing
» Natural anodised: 20 to 22 micron
» Dark bronze anodised: 20 to 22 micron
» Powder-coated in any RAL-colour: pre-assembled product is chromatised and powder-coated in order to guarantee a thorough powder-layer at all joints and cutting sections : 60 to 70 micron

Description
» L-shaped window profiles with a total height of 26,5 mm cut at mitre of 45° and assembled through compression and a clamping corner.
» Aluminium profiles with a minimum thickness of 1,5 mm. Aluminium blade supports are rivetted on the vertical perforated frame-profiles.
» Louvres with a width over 700 mm are provided with an extra perforated Uprofile. Additional blade supports are fixed in order to strenghten the whole construction.
» The 'Z'-shaped blades with a height of 33,5 mm are clipped onto the support profiles. The pitch of the blades is 20 mm.
» An anti-static and stainless steel insect mesh (18/8) is fitted flush on the back of the louvre by means of a black nylon cord.

Specification
» Depth to fit: 46 mm
» Total depth: 33,5 mm
» Visual free area: 50%

Options
» Water channel, fixed just under the lowest blade to ensure an optimal watertightness (according to HEVAC test procedures):
» 98,0 % at an air velocity of 0,5 m/s
» 96,4 % at an air velocity of 1 m/s
» 88,5 % at an air velocity of 1,5 m/s
» When fitted with an insect mesh: 2,3 X 2,3 mm
» This waterchannel is made of aluminium Al Mg Si 0,5 and can be anodised or powder-coated in the same finish as the louvre.

Fixing
Spring clips (419) or dowels (418) are supplied on request.