Valve Characteristics – Quick Opening, Linear & Equal Percentage
In essence a valve simply functions as a restriction in a flow line, with flow areas A1 and A2 and pressure differential p1 – p2, as shown in Below Figure. Valve Characteristics
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Why we Measure Control Valve flow coefficient (Cv) ?
Control valve Cv is determined by the manufacturer of the valve and can be found on the valve manufacturer’s related valve data and specification sheets. Valves are tested by running water