The data that is really needed when selecting and sizing a control valve is rarely understood and specified, which leads to excessive variability originating from the valve. In this presentation, ISA Mentor Program co-founder Greg McMillan discusses pervasive problems and rampant misconceptions. He then provides guidance—supported by test results—on how to select a good throttling control valve. He also explains PID tuning adjustments and a key PID feature that can be utilized to provide precise, smooth, and fast control.
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