Axial fan 380 V, 50 - 60 Hz

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General Information 1.1. General-purpose axial-flow fans are intended for moving air and other non-explosive, non-aggressive gas mixtures with temperature: from -40 up to + 40 0C, without content of adhesives and fibrous materials, with concentration of dust and solid impurities not more than 10mg/m3. Such fans are not intended for smoke extraction. 1.2. Climatic version of fans is У2 according to GOST 15150-69 (the ambient temperature: from - 40 up to +40 0С). 1.3. In the place of installation of fans the mean-square value of vibration speed out of external vibration sources should not be more than 2 mm/s. 2. Main technical data and characteristics 2.1. General appearance of fan is given on Pic.1. 2.2. Flow direction from electric motor to impeller. By agreement with the customer the fans are supplied with the reverse flow direction and in reversible modification. 2.3. Aerodynamic characteristics of non-reversible fans are shown on Pic. 3-14 at rated conditions: - air density 1,2 kg/m3 - barometer pressure 101,4 kPa - temperature 200C - relative humidity 50% Reversible fans have about 15% lower rating on pressure and 10% lower rating on efficiency. 2.4. Mean-square vibration speed is not more than 6,3 mm/s.