Selecting Valves for Proportional Control


Proportional valves are suited to a wide variety of applications in machinery, basic processes and simple or complex hydro-pneumatic systems. They provide a cost-effective and compact solution for controlling flow or pressure at relatively low flow rates.

There are many different designs and styles of proportional valves for varying operating pressures and flow rates, with either electric or electro-pneumatic actuation. To the uninitiated, there can be a confusing amount of choice.

In the following guide we’ll take you through the main considerations governing proportional valve selection in order to help you make an informed choice
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