Feature Report: Part 1: Using Installed Gain to Improve Valve Selection
Among other things, this analysis is helpful in comparing one valve candidate with another and in exposing over- and under-sized valves
Melissa Niesen, Emerson Process Management
The perfect valve to control your process has been selected. The valve will pass your maximum flow. Everything is great, right? In some cases digging a little deeper might help. The control valve usually should not be the most restrictive element of the process, but it also should not be oversized or have performance issues that do not mesh well with the process characteristics.
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