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Lura Parrent

As seen in: Emerson Automation Experts
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Articles

Simplifying Safety Valve Installation and Maintenance

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By Jim Cahill, Lura Parrent, Kurtis Jensen
| Emerson Automation Experts
Emerson Portfolio Manager Kurtis Jensen and Product Manager Lura Parrent recently published an article in the Jan 2023 issue of Hydrocarbon Processing. It is titled “Simplifying Safety Valve Installation and Maintenance” and it discusses new technologies on how to simplify safety valve installations while improving performance and reliability. The article is summarized below.
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Valve Reliability in Safety Instrumented Functions

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By Jim Cahill, Lura Parrent
| Emerson Automation Experts
The three key components in a safety instrumented function (SIF)—sensor, logic solver and final element—each have their own probabilities of how they will perform, or not perform, when called upon to bring the process to a safe state. Of these three components, the final element is more like to fail on demand due to its role in touching the process and mechanically operating.
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