Handbook of control valve sizing

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SIZING AND SELECTION OF CONTROL VALVES

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1. PROCESS DATA
2. VALVE SPECIFICATION
3. FLOW COEFFICIENT
4. SIZING EQUATIONS
5. PARAMETERS OF SIZING EQUATIONS

WHAT IS CONTROL VALVES?

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• A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level

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