Small axial flow fans are widely used. Although it is common, many manufacturers still encounter many difficulties when choosing them. So what should we pay attention to when choosing small axial flow fans, 1. Need to determine the total heat generated inside the mechanical equipment 2. Calculate the ventilation required by the system through a formula 3. Find the fan matching the required ventilation required by the equipment from the PQ curve diagram in the product specification 4. Find the maximum temperature that the equipment can withstand from the data provided by the equipment supplier 5, in what environment is the use of small axial flow Fan 6, choose a good small axial flow fan manufacturers, good manufacturers mean quality, the quality of the fan is guaranteed above is how to choose the small axial flow fan introduced by Dongxing Yue, if you want to know more about axial flow fans, please click:http://www.dxymotors.com