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

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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: preassembled 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
» Window profile with a height of 25 mm welded at 1 point.
» Aluminium blade supports are rivetted on the vertical perforated frame-profiles.
» V-shaped blades with height of 20 mm are fixed in the blade supports.
» 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.
» Visual free area : 93 %

Fixing
» Dowels preassembled onto the frame.

Applications
» Approved for high voltage installations - standard delivered with earthing.
Remark: grilles larger than 2m X 2m need a rear construction.