Install an inverter on the centrifugal pump
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Do you have a boiler feed pump that can be equipped with an inverter? Its rated flow rate is 240 cubic meters per hour, and the voltage is 10 KV
We also need to take into account the pump’s flow rate. If the pump’s maximum flow rate is much higher than the current one, or if the water volume needs to be adjusted continuously, using a variable frequency drive can help save energy. However, I’ve heard that variable frequency drives are quite expensive; I’m not sure how long it will take to recoup the cost in your case
It can be added; the frequency converter can replace the control valve and help save energy