/community-hubs/valves-actuators-regulators/b/vcp-weblog/posts/local-control-for-electrohydraulic-valve-actuatorsElectrohydraulic valve actuators are used in on/off and emergency shutdown actuation applications to stop process flow upon detecting a command signal or loss of power, protecting personnel, equipment, and the environment. The Bettis EHO Electro-Hydraulicen-USTelligent Community 13