... /galvanized steel Shutter material: stainless steel/galvanized steel Shutter type: mechanical operated governor type/weight balance Capacity (cbm/h): 8,500 ... , 1.1kW, 3Ph, 380V, 50Hz, 2.2kW, 3Ph, 380V, 50Hz Fan weight: 36, 40, 49, 85, 106, 133, 150kg