Axial fans are widely used, that is, with the direction of the fan blade axis of the same airflow, such as electric fans, and air conditioning fans are axial fans. The reason it is called axial flow is because the gas flows parallel to the fan shaft. Axial fan is usually used in high flow requirements, low pressure requirements. Axial Fan fixed position, moving air. The key of axial fan is composed of Centrifugal impeller and casing, which is simple in construction, but highly specified in statistical data. Axial Fan options: Axial Fan in today's hot sales market, but the sales market will inevitably fake goods, so we must grasp some ways to buy axial fan. When buying axial flow fans, it is necessary to check whether axial flow fans are popular in the current market, but there are more or less fake and inferior products in the market, so we need to master some skills to buy axial flow fans 1. When selecting axial fan, it is necessary to ensure that the axial fan will not produce strong vibration and friction sound, can judge the axial fan impeller is normal. Next, check the fan bearing oil for impurities. Must be replaced with a new lubricant. 2. In selecting the appropriate axial fan, we need to take into account the location and occasion of the actual use. 3. To determine the efficiency of axial fan, the fan with good performance can meet the requirements of low noise, compact structure size and minimize the loss of air flow through the designed flow path. 4. After the axial fan is selected, observe the starting fan when the axial fan is used for the first time, check whether the fan rotates like a rotating sign, and after the completion of the trial operation, stop after 30 minutes, check whether the blade is loose Check the vibration suppression seat and Foundation Connection Bolts are loose, check all qualified

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