If a line has a control valve and assume that it has different flowrates, say for eg 100 kg/hr, 150 kg/hr, and 200 kg/hr, can anyone tell me in which flow rate the delta P is higher? Kindly help.
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Posted 21 March 2023 - 11:03 PM
If a line has a control valve and assume that it has different flowrates, say for eg 100 kg/hr, 150 kg/hr, and 200 kg/hr, can anyone tell me in which flow rate the delta P is higher? Kindly help.
Posted 22 March 2023 - 03:55 AM
Posted 22 March 2023 - 09:47 AM
Pressure differential across the valve is the highest when the valve is closed when there is no pressure drop in the piping due to friction. As flow increases, there is more pressure drop in the piping to and from the valve so the pressure drop across the valve decreases. With the valve wide open, the pressure drop is lowest across the valve.
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