/community-hubs/deltav-community-connect/b/safety-weblog/posts/end-of-life-expectancy-for-final-control-elements-in-safety-and-control-systemsMechanical items, such as shut down valves, isolation valves, control valves, actuators and other pneumatic accessories, if selected and sized properly during the design stage to meet process parameters/conditions, fluid comparability, environmental conditionsen-USTelligent Community 13