How to Select Rotary Valve Actuators

At times it is necessary for a process engineer to choose between a pneumatically or electrically actuated valve for a system. There are advantages to both styles, and it is valuable to have data available to make the best choice.

<a href="http://www.flowbiz.com/VA/rotary.htm">http://www.flowbiz.com/VA/rotary.htm</a> Received on Sun Apr 20 12:59:00 2003