Axial high-performance fan, cylindrical tube sleeve, smooth ends, directly driven.Tube sleeve made of galvanized sheet steel, double-coated, color papyrus white, with two stiffening ribs running around the circumference.Impeller with profiled blades made of plastic. High efficiency, low operating noise. Vibration-free operation thanks to dynamic balancing in accordance with quality level G 6.3 VDI 2060 and DIN ISO 1940. Can be used in the range from -30 °C to +60 °C. Single-phase AC capacitor motor, closed design, maintenance-free, with thermal contacts built into the winding, speed controllable by voltage reduction, sealed, low-noise ball bearings with long-term lubrication.
