Axial fans for building equipment andtechnical application Helios offer a wide, fine stepped range with different power characteristics. Some impeller blades can be adjustedat stand still and can be equipped with4, 5, 6 or 7 blades. Customers worldwide trust Helios fans in ventilation, heating, cooling, climate and drying applications.Large axial fanshave been used for decades ofreliableand energy saving service e.g. in cooling towers. On the pages 74-103 of this catalogue you can find the sizes from 200 to 1000 mm. Axial fans for the technical building equipment from 710 to 1800 mm and air flow volumes to 240000 m

HighVent

®

– Products from other Helios catalogues

For the lifesaving extractionof smoke gas. In the case of fire Helios offer a wide range of in-line, rectangular and roof fans in the low, medium and high pressure sector. With impeller diameters from 500 to1400 mm and air flow volumes fom 1000 to 150000 m Hightemperature and smoke extraction fans The Helios main catalogue with its compact product information on 296 pages represents only an extract of the extremly extensive fan range. With morethan 3000 standard models from 100 to 7100 mm impeller diameter and extensive accessories the Helios range is unrivalled.The experience gained over many years,of various fan applications and ventialtion techniques are reflected in the knowledge and expertise seen in every Helios product.
3 /h in a temperaturerange of +300 °C, +400 °C and +600 °C at 60, 90 and 120 minutes. As ‘TwinVent’ also as ventilation ofunderground car park. Tunnel fans With an air flow volume from 3000 to300000 m
3 /h for the central supply or asjet fan with symmetrical or asymmetrical impellers. With attenuators on intake and extract,shaped bell mouth and other accessories. TGA-catalogue, Ref. No. 90621Helios is also the right company forcustomer specific requests. Large axial fans up to 7100 mm and 2.2 mil. m
3 /hcontain in the
3 /hare cost effective produced within the standard range.
10