RSD 225/300 – Helios – Flanged Circular Attenuator

RSD 225/300 – Helios – Flanged Circular Attenuator Housing made of galvanized sheet steel, lining with high-quality mineral wool, flow-side equipped with a fleece against abrasion. Dimensions and mounting hole circle matched to standard fan diameter (R 20), hole pattern according to DIN 24155. Very low flow resistance. Product PDF: RSD ATTENUATOR CATALOGUE