Extraction fan HELIX BOX MANN

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High flow industrial roof extractor for the extraction of stale air HELIX BOX MANN industrial roof extractors have an extraction capacity from 20.700 m3/ h to 36.700 m3 / h and are the perfect solution for the extraction of stale air in industrial buildings, warehouses, farms, greenhouses, etc. The equipment consists of a structure made of galvanized steel and incorporates a helical fan with overpressure shutter with an automatic opening system. In addition, it incorporates supports designed to adapt to any type of roof slope and an anti-rain visor. The supply is made with several disassembled components to be assembled on site. Characteristics •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.