/community-hubs/deltav-community-connect/b/safety-weblog/posts/when-is-a-sil-suitability-rating-required-for-final-control-elements-598265512Update and bump: A LinkedIn post on this subject went viral, so I thought it would be worth sharing Riyaz Ali ‘s thoughts on this subject again. Abstract Final Control Elements (Control valves or Safety Shut Down Valves) are the key components ofen-USTelligent Community 13