Pressure control valve
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I have a question for everyone: is the flow rate that can be regulated by a control valve related to the pressure drop of the valve?
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When the valve is fully open, the flow rate is higher. So this valve is essentially equivalent to a section of pipe with the same relative diameter. The pressure drop of a valve, that is, the pressure difference across the valve. For reference.
Generally, when choosing a control valve, it is necessary to know information such as the medium, temperature, pressure difference, and flow rate in order to calculate the appropriate Cv value for the valve; in other words, the higher the CV value of a valve, the greater the flow rate it can handle. The greater the pressure difference, the greater the flow rate