Helios AMD 400/4

Medium pressure duct fan with a cylindrical duct casing and flanges on both sides, directly driven. The cylindrical duct is made of galvanized steel sheet, featuring flanges shaped on both sides and a hole pattern according to DIN 24155 Sheet 3, as well as an integrated guide vane. The axial impeller is made of plastic and has 14 spatially curved blades. It operates vibration-free due to dynamic balancing according to quality grade G 6.3 VDI 2060 and DIN ISO 1940. The three-phase cage motor is speed-controllable through voltage reduction, equipped with thermal contacts, has a closed design, is maintenance-free, and features sealed, low-noise ball bearings with long-term lubrication.