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Wall louvre 412: built-in, with chevron section blades

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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 corner 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 to fix additional blade supports in order to strenghten the whole construction.
» The V-shaped chevron blades with a height of 20 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 nylon cord.

Specification
» Depth to fit : 28,5 mm.
» Total depth : 33,5 mm.
» Visual free area : 93 %

Option
Can be provided with a water channel, fixed just under the lowest blade to ensure an optimal watertightness according to HEVAC test procedures:
99 % at an air velocity of 0,5 m/s
98 % at an air velocity of 1 m/s
When fitted with an insect mesh 2,3 mm. x 2,3 mm.
This waterchannel is made from aluminium Al Mg Si 0.5 and can be anodised or powder-coated in the same finish as the louvre.

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