SWF (A) -I / II / III type Francis fan machine number: 3 # -13 # wind: 3000-95420m3 / h Total pressure: 143-11200Pa features: tapered wheels, twisted leaves with inlet collector, high pressure, air volume, high efficiency, compact structure, low noise, small price Xiaohun flow fans, equipped with two-speed motor Francis fan latest offer, you can adjust the amount of wind, air pressure applied by the shift: hotels, restaurants, shopping malls, office buildings, Stadium and other senior civil pass exhaust pipe pressurized air supply and industrial and mining ventilation facilities Features and Applications: SWF series fan application meridional acceleration method and the "quasi-Three" swf Francis fan design flow theory, the use of rectilinear outer cylinder, cone wheel, twisted wing blade structural forms. Pressure compared with the same machine number of high axial fans, air volume compared with the same machine number large centrifugal fan. With high efficiency, compact structure, low noise, small size, easy installation, etc., widely used in hotels, restaurants, shopping malls, office buildings, stadiums and other senior civil pass exhaust pipe pressurized air supply and ventilation change mining industry gas sites. Two-speed fan which can be adjusted according to the desired amount of wind conditions required by the use of variable speed, air pressure gymnasium dedicated Francis fan Francis fan _ _ Beijing liter by liter Swiss Swiss Mechanical and Electrical HVAC Electrical Equipment Factory. L Rui HVAC Electrical Equipment Factory (www.dzsrxfkt.com) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Swiss electromechanical and you work up into the brilliant, for a better future!