Question: A control valve with linear inherent characteristics and size Cv,max= 600 gpm/psi^.5 is installed in a liquid line. The pressure drop across the valve is

A control valve with linear inherent characteristics and size Cv,max= 600 gpm/psi^.5 is installed in a liquid line. The pressure drop across the valve is constant at 8.9 psig. The specific gravity of the liquid is 0.90. What is the flow through the valve in gpm when the valve is 50% open

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