Extractor - Import export

High flow industrial roof extractor for the extraction of stale air HELIX BOX MANN industrial roof extractors have an extraction capacity from 21,000 m3/ h to 39,800 m3 / h and are the perfect solution for the extraction of stale air in industrial buildings, warehouses, farms, greenhouses, etc. Main features - Air flow from 21,000 m3/h to 39,800 m3/h - External structure made of galvanized steel. - Overpressure shutter made of galvanized steel. - Propellers made of AISI 430 BA stainless steel. - High quality bearings. - IP-55 three-phase electric motor - V-belts. - Transmission pulleys made of magnesium aluminum. - Engine support with tensioner. - Roof supports. - Air inlet with protection grid. - Anti rain visor.