How to select an actuator - A comprehensive guide Part II Characteristics Comparison

摘要

This feature is a comprehensive guide to selecting an actuator. The complete guide will be featured as a bi-monthly article in Valve World throughout 2015. In this second article I will he discussing the comparisons of pneumatic and electric actuators. At times it is necessary for a process engineer to choose between a pneumatically or an electrically actuated valve for a process system. There are advantages to both styles, and it is valuable to have data available to make the best choice.