Application of Principle: Application meridional acceleration method and "quasi-Three" flow theory Francis fan design uses conical wheel structure, twist the wing blade, inlet manifold plus home or curved silencer. Advantages: high pressure, air volume, high efficiency and compact structure, low noise, small size, easy installation. Uses: Widely used in hotels, restaurants, shopping malls, office buildings, stadiums and other senior civil through the exhaust pipe pressurized air supply and ventilation industrial and mining sites. [SWF (B)] Series Low Noise Francis fan is between saving a new axial and centrifugal blower fan between the diagonal flow fan parameters, it has a high-pressure centrifugal fans, axial fans of big Beijing traffic oblique flow fan, high efficiency, energy saving and good low-noise mixed flow fan, low noise, easy installation and so on. This series of fan design Ying, compact structure, small size, light weight, easy to install, and old-fashioned compared to centrifugal fans can save 20%, speed is less than 2000r / min, the noise is less than 75dB (A) mixed flow fan When the fan is installed in the connecting pipes and air conditioning inside, noise is less than 70dB (A). Can replace 2000pa below, the low-pressure centrifugal fan, widely used in industrial, civil and other ventilation and dust. Shanghai oblique flow fan | oblique flow fan | Hao Yang Hao Yang air conditioning equipment from the Texas Air Conditioning Equipment Limited. Air Conditioning Equipment Co., Texas Hao Yang (www.dzapjt.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 Hao Yang air conditioning and you hand into the brilliant, for a better future!