safety instrumented system

End of Life Expectancy for Final Control Elements in Safety and Control Systems

End of Life Expectancy for Final Control Elements in Safety and Control Systems

To summarize, mechanical equipment such as shutdown valves, control valves, actuators, and accessories such as positioners are designed keeping in mind a plant’s life of around 25 years. Though you may not find any written or stated document from any supplier or manufacturers since mechanical deterioration depends on many parameters like internal process-related conditions or external environmental conditions, operating media (air, hydraulic fluid, etc.), proper care exercised during application selection & sizing, and more.

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Preventing Over-Pressurization with HIPPS

Preventing Over-Pressurization with HIPPS

Wikipedia defines a High-integrity pressure protection system (HIPPS) as: …a type of safety instrumented system (SIS) designed to prevent over-pressurization of a plant, such as a chemical plant or oil refinery. The HIPPS will shut off the source of the high pressure...

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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.