Aluminum ventilation grill AF

rectangular

Single ventilation grilles and horizontal run sections with special profiled blades Nominal sizes 225 × 75 – 1225 × 425 mm and horizontal run sections Volume flow rate range 10 – 1235 l/s or 36 – 4446 m³/h Grille face made of aluminium with anodised finish Front border suitable for floor installation without an installation subframe Removable grille core with special spring clip fixing Grille face in RAL CLASSIC colours Attachments for volume flow rate balancing and air direction control Ventilation grilles, rectangular, made of aluminium, for supply and extract air. Preferably for floor installation. Ready-to-install component which consists of the installation subframe and fixed longitudinal blades. Spring clip fixing for installation into an installation subframe. Sound power level of the air-regenerated noise measured according to EN ISO 5135. Blades for straight (0°) or angled (15°) air discharge to meet different local requirements Spring clip fixing Nominal sizes: 225 × 75 to 1225 × 325 mm Horizontal run section, height: 75 – 325 mm Minimum volume flow rate (supply air): 10 – 410 l/s or 36 – 1476 m³/h Maximum volume flow rate (supply air), at LWA max. 40 dB(A) without attachments: 55 – 1235 l/s or 198 – 4446 m³/h Supply air to room air temperature difference: –12 to +4 K