The air volume issue of the fan

2019-01-16View Original

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I have a centrifugal blower; the nameplate indicates an outlet pressure of 76,000 Pa and an air volume of 177 m3/min. Could the air volume of the blower be adjusted to a lower level? If the device doesn’t require that much airflow, can it be controlled at around 60/min? If the air volume is outside the specified range, will this cause surging in the fan? Please share your thoughts; extra points for that

Reply #22019-01-16

The flow rate is adjusted by controlling the opening degree of the inlet valve; in normal circumstances, surge does not occur

Reply #32019-01-16

Variable frequency control or damper adjustment will do.

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The air volume issue of the fan

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