November 2020

Valves, Pumps and Turbomachinery

Selecting the right rotary control valve

The primary function of a control valve is to regulate flow. Accurate, consistent and reliable performance of this task affects many important process unit or plant metrics,

The primary function of a control valve is to regulate flow. Accurate, consistent and reliable performance of this task affects many important process unit or plant metrics, such as throughput, quality and uptime. Valve responsiveness is a key factor for determining process loop performance, but it is often limited by valve construction. Selection of the right valve type and features can be a complex task. While globe valves are generally the valve of choice in control applications, rotary valves can also offer an attractive alternative due to their compact size, higher flow capacities and lower installed cost. Rotary valves do have some limitations, but these challenges can be overcome by

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