* Model HL3-2A, PYHL-14A, HLF-6 Series Low Noise Energy-Saving Mixed-Flow Fan is a novel fan between axial fan and centrifugal fan, It is of novel design compact structure, small bulk, light weight The pressure Is as high as centrifugal fan, the flow Is as large as axial fan.It also have the characteristics such as high efficiency, energy-saving, low noise, easy Installation and so forth, It can replace for medium&low pressure centrifugal fans below 2000pa. It Is widely used for the ventilalion, dust-collection in the Industry, civil purpose architectures etc.