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Interpretation of the voltage on the nameplate of axial flow fan and the direction of the inlet and outlet wind of the impeller

Wuxi JN Fan Co.,Ltd | Updated: Dec 14, 2017
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1. How to correctly understand the voltage on the nameplate of axial fan?

If it is marked as three-phase 380V, it indicates that 380V should be used for three phase power supply, and any change of two power lines can change the rotation direction of the fan.

In addition, in connection with the power supply, first measure the DC resistance between the three leading lines of the fan. Measure whether the same, if the same, is for a three-phase 380V power supply, if it's not, and there's a capacitor, is to connect 220V. At this point, if you want to change the direction of the fan's rotation, then the power line connected to the capacitor in the power line must be transferred to the other end of the capacitor.

2. Analysis of flow related factors in axial flow fan

In the axial flow fan, there are several factors related to the flow rate. For example, motor power, motor speed, blade diameter and so on. Therefore, in its consideration, it should be comprehensive and concrete, and there can be no omission. In this way, we can avoid mistakes.

3. The direction of the inlet and outlet of the impeller of an axial flow fan and its code name

The axial fan has the same direction of entry and exit of air from a professional point of view. Because between the wind and the direction of the wind, it is the angle of 180 degrees, so there is this conclusion. http://www.jnblower.com/


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