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.
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...
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...
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...
The world of functional safety has its own tribal language and acronyms, e.g. safety instrumented systems (SISs), safety instrumented functions (SIFs), logic solvers, final elements (FEs), safety integrity level (SIL), probability of failure on demand (PFD), etc. In a...
Valves used in safety applications tend to stay in opened or closed positions for very long, time intervals. As Emerson's Joe McHugh explained in a Plant Engineering article, Double up on solenoid safety: …all valves experience stiction if they remain inactive for too...
Manufacturer and producer reliability teams focus much of their efforts around the large plant assets including pumps, compressors, and control systems to maintain efficient and reliable operations. Valves, actuators and regulators often don't get this same attention....
Just as people require certain qualifications to perform specific tasks, so does instrumentation, final control elements, control systems and other components in an automation architecture. In a very informative Chemical Engineering Progress (CEP) article, Purchase a...
An Asian refiner sought to improve reliable operations around their control valves a decade ago. I caught up with Emerson's Sumitaka Ichiki who shared the story of their journey to more reliable operations. Using the Fisher FlowScanner valve diagnostic software, they...
One path in digital transformation programs is to drive reliability improvements of plant assets by moving from reactive maintenance to condition based maintenance of the equipment. I caught up with Emerson's Saurabh Pathak who shared a case study with me of a large,...
The safety valve within a safety instrumented function (SIF) must be tested regularly to help assure proper operation in the event of a safety demand. Operators usually perform an offline full stroke test during a scheduled shutdown because of the impact of this test...
Control valves are the workhorses of most processes. They touch the process fluids and often contend with many challenges—abrasive and corrosive fluids, high pressures and temperatures, and vibrations caused by piping and surrounding process equipment, to name a few....
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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.