C_v Diagram Water Valves

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The diagram below can be used to estimate the required C_v value of a water regulating valve.

Example - Required C_v value

With a water flow of 6 gpm and required pressure drop through the valve 10 psi,

required C_v can be estimated ~2.

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Related Topics

• Control Valves - Control Valve terminology, bodies, trim, flow characteristics, Cv and Kv sizing, noise, actuators and positioners

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