Aluminum ventilation grill AWT

rectangular

BALL IMPACT RESISTANT VENTILATION GRILLE MADE OF ALUMINIUM, WITH FIXED HORIZONTAL BLADES Ventilation grille with special profiled blades (rectangular cross section) Nominal sizes 325 × 125 – 1225 × 325 mm Volume flow rate range 17 – 950 l/s or 61 – 3420 m³/h Grille face made of aluminium with anodised finish Tested for installation in gymnasiums Front border with countersunk holes, 30 mm wide Optional equipment and accessories Grille face in RAL CLASSIC colours Installation subframe Ball impact resistant ventilation grilles, rectangular, made of aluminium, for supply and extract air. Rectangular profile border sections with rounded edges Preferably for wall and sill installation but also suitable for rectangular ducts. Ready-to-install component which consists of a border and fixed horizontal blades. Countersunk holes for fixing the grille to the installation surface. Meets the requirements of DIN18032, part 3. Sound power level of the air-regenerated noise measured according to EN ISO 5135. SPECIAL CHARACTERISTICS - Fixed blades - Countersunk holes MATERIALS AND SURFACES - Border and blades made of aluminium - Border and blades anodised, E6-C-0, natural colour - P1: Border and blades powder-coated, RAL CLASSIC colour VARIANT Rear assemblies: - - - Opposed blade action volume control damper Length: - - - - - 825 Height - - - - - 225 Installation subframe - - - with Surface - - - - - Anodised, E6-C-0, natural colour