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The Characteristics And Differences Of Forward Centrifugal Fan And Backward Centrifugal Fan

Wuxi JN Fan Co.,Ltd | Updated: Jan 09, 2018

Because the forward centrifugal fan is made of high quality steel plate and is made after pressing, it has the advantages of low rotational speed, smaller or finer bearing, wide operating range and low cost.

But the backward centrifugal fan is mainly made by casting, can be used in various occasions to supply air, dust removal and smoke exhaust, its main advantages are high efficiency, low operating noise and large air volume. However, it requires a high balance, and it is easy to cause changes after fluctuation.

Thus, one of the differences between the forward centrifugal fan and the backward centrifugal fan is their power, which is the static pressure head used to overcome the system resistance. It is obvious that the forward centrifugal fan is smaller than the backward centrifugal fan. That is because the channel in the backward blade fan is gradually expanding, so its hydraulic loss is smaller than that of the forward tilting type. The efficiency of forward centrifugal fan is lower than that of backward centrifugal fan.

The other is the electric energy consumption of the forward centrifugal fan and the backward centrifugal fan. Since the efficiency of the forward centrifugal fan is lower than that of the backward centrifugal fan, the power consumption of the forward centrifugal fan is higher than that of the backward centrifugal fan. In addition, their noise levels are different. The operating noise of the forward centrifugal fan is higher than that of the backward centrifugal fan.http://www.jnblower.com/


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