Acoustic transfer grill CIRCO

galvanized steelaluminium

Sound attenuating transfer unit For the transfer of air through a wall Fits in a circular cut opening Simple to install Mounting frame integrated into the transfer diffuser. Accessories: TRAC disc valve VGC telescopic wall sleeve Standard colour White RAL 9003 5 alternative standard colours Other colours upon request Technical Description Design Sound attenuating transfer unit designed for installation in studded walls, produced as circular baffles containing insulating sound-absorbing material covered by a reinforced surface layer, rated to Fire Resistance Class B-s1,d0 conforming to EN ISO 11925-2. The baffles have an integrated mounting frame with open slot all around. Materials and surface treatment The baffles are made of sheet steel. The mounting frame is made of galvanised sheet steel. The baffles are painted. • Standard colour: - White semi-gloss, lustre 40, RAL 9003/NCS S 0500-N • Alternative standard colours - Silver gloss, lustre 80, RAL 9006 - Grey aluminium gloss, lustre 80, RAL 9007 - Blanc semi-brillant, lustre 40, RAL 9010 - Black semi-gloss, lustre 35, RAL 9005 - Grey semi-gloss, lustre 30, RAL 7037 • Non-painted finish and other colours available on request. Adaptation Other colours are available on enquiry.