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Measures of Centrifugal Fan Flow Deviation

Apr 11, 2020

After the installation of the centrifugal fan, the phenomenon of excessive or insufficient flow occurs during the formal operation, the main reasons are as follows:

1 The difference between the actual value of system resistance and the calculated value is too large.

2 The influence of the total pressure deviation of the fan is not considered in the selection.

Possible measures include the following:

1 Using throttling devices to regulate flow

2 Adjust flow rate by changing the speed of centrifugal fan

3 Switching the flow rate of fans with higher or lower pressure

4 Adjust flow rate by changing system drag coefficient

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