Archive for the ‘Valves, Actuators & Regulators’ Category

Compressor Anti-Surge Control Value Improvement Practice

Posted in Chemical, Control & Safety Systems, Valves, Actuators & Regulators on Thursday, February 6th, 2020. No comments yet
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An ethylene plant has a number of very large, very critical compressors which will cause the entire plant to shutdown if they ever trip. The cracked gas compressor increases the entire cold-side feed from around 3 psig to ~475 psig, typically through 5 stages. The two refrigeration compressors are the next biggest compressors that can also shut down the entire plant if they trip.

Fail-Safe Electric Actuators for Quarter-Turn Valves

Posted in Valves, Actuators & Regulators on Friday, January 31st, 2020. No comments yet
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In this 16:19 YouTube video, Bettis RTS Fail-Safe Quarter Turn Electric Actuator Basic Technical Overview, Emerson’s Aaron Roepke provides a product overview and demonstration of certain configuration and setup steps including user interface rotation, user interface navigation, variable speed adjustment, and mechanical fail-safe speed adjustment.

Self-Contained Hydraulic Emergency Shutdown System

Posted in Safety, Valves, Actuators & Regulators on Tuesday, January 21st, 2020. No comments yet
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A safety instrumented function (SIF) in a safety instrumented system (SIS) contains a sensor, logic solver and final element. All must function properly in the event of a safety demand to take the process into a safe state in coordination with other SIFs. The final element consists of several parts including the isolation valve, actuator, […]

Adding Experts in Valve Condition Monitoring

Posted in Services, Consulting & Training, Valves, Actuators & Regulators on Tuesday, January 14th, 2020. No comments yet
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Data available in manufacturing and production facilities is growing faster than people can process. In a Process Industry Informer article, How Valve Condition Monitoring Reduces Plant Downtime, Emerson’s Fabrice Hoenig highlights this challenge: The vast amount of data that is generated about equipment condition and performance offers a great opportunity to engineers, but it can […]

Digital Valve Services for Improved Operational Performance

Posted in OEM / Engineered Solutions Providers, Services, Consulting & Training, Valves, Actuators & Regulators on Friday, January 10th, 2020. No comments yet
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For process manufacturers & producers, the performance of final control elements including valves, actuators and regulators has a major impact on their efficiency, reliability and variability. Knowing how these final control elements are performing and when they need attention can improve overall operational performance. This short 3-minute video, Digital Valve Services, highlights a portfolio of […]