Sizing of Valve and Control Valve
Abstract
Valves are the components in a fluid flow or pressure system that regulate either the flow or the pressure of the fluid. This duty may involve stopping and starting flow, controlling flow rate, diverting flow, preventing back flow, controlling pressure, or relieving pressure. The equations presented in this chapter are used to predict the flow rate of a fluid through a valve when all the factors including those related to the fluid and its flowing condition are known, when the equations are used to select a valve size, it is often necessary to use capacity factors associated with the fully open or rate condition to predict an approximate required valve flow coefficient (Cv). Predicting the flow ...
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