Storax ventilation Louvre ST-421

The grille is manufactured from aluminium profiles AlMgSi 0.5 according to EN 12020-2. It is supplied as standard with stainless steel insect mesh 304 with a mesh size of 2.3 × 2.3 mm, while stainless steel wire mesh 304 with a 6 × 6 mm mesh is available on request. The finish can be supplied in natural or bronze anodised (20 microns) or powder-coated in any RAL, Sikkens, NCS or Interpon colour with a thickness of 60 to 80 microns.

Specification

Material The grille is manufactured from aluminium profiles AlMgSi 0.5 according to EN 12020-2. It is supplied as standard with stainless steel insect mesh 304 with a mesh size of 2.3 × 2.3 mm, while stainless steel wire mesh 304 with a 6 × 6 mm mesh is available on request. The finish can be supplied in natural or bronze anodised (20 microns) or powder-coated in any RAL, Sikkens, NCS or Interpon colour with a thickness of 60 to 80 microns. Dimensions The blade pitch is 50 mm, the built-in depth is 46 mm and the frame flange measures 40 mm. The minimum production dimensions are 150 × 150 mm. Fixing The grille is supplied with wall anchors no. 1428. For grilles with a surface area greater than 3 m², a supporting reinforcement structure must be provided. The frame flange can be supplied with screw holes in a standard pattern for visible front-side mounting on request. Options Available options include a water channel, removable insect mesh, counter frame, filter, burglary-resistant version ST-421-RC3, version without flange and the ST-424 frame grille. Typical applications This grille is used in situations where aesthetics and robustness are important parameters.

Technical specification