LRb Model (Backward Curve Belt drive)
air flow : 42-3,600 m 3 /min pressure : 30-430 mmWG Use : the high output centrifugal fans of this series are suitable for the suction of clean or plants slightly dusty air in civil and industrial air conditioning. In particular plants for: Ventilation : stables, mines, tunnels. Suction : vitated air, welding fumes, vapours from solvent tanks and spraying booths. Aeration : storage bins, sheds. Cooling : plastic materials, cloths, glass plates. Drying : fodder, cereals. papers, varnishes, wood. Elimination : fumes and toxic gas. This series is also used where it is necessary to transport air with maximum temperature of 90°C with low pressure. For temperatures of the transported fluid higher than 90°C up to 350°C a small heat stopping fan is splined to the shaft between support and scroll; besides the fan is painted with a special aluminium paint suitable for high temperatures.