There are also mixed flow (Francis) fans, axial fans high pressure coefficient ratio, flow coefficient than the centrifugal fan. To fill the gaps between axial fans and centrifugal fans of. Along with easy installation features. Francis (or axial-flow impulse) fan combines axial and centrifugal fans feature htf axial fans, although it looks more like a traditional axial fan. The curved plate-shaped blades welded to the conical steel hub. By changing the angle of the blade inlet in the housing upstream of the impeller to change the flow. Cabinet can have open inlet, but more common situation is axial fans, it has the shape of a right angle bend, so that the motor can be placed outside of the pipe. Excretion shell slow expansion to slow down the flow of air or gas, and the kinetic energy is converted to useful static pressure. Square Wall T40 axial fan axial fan, low noise low power consumption, and has excellent corrosion resistance and other characteristics of axial fan sidewall fan, can be used in industrial plants, machinery manufacturing, chemical, printing and dyeing, electroplating, pharmaceutical and other industries . Square axial fans, Rich ventilation equipment (certified), axial fans are provided by Shandong Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (0) is the leader in Dezhou, fans, ventilation equipment, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Rich ventilation equipment in leadership with the staff warmly welcome all inquiries negotiations to create rich, ventilation a better future.