Posts Tagged ‘safety integrity level’

When is a Safety Integrity Level Rating of a Valve Required?

Posted in Final Control Element, Safety on Tuesday, November 3rd, 2015. No comments yet
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Control valves play a large role in process control. Emerson’s Riyaz Ali shared with me that he is often asked about their use in safety instrumented functions (also known as safety loops). When asked recently, he shared an ISA Safety Division newsletter from the fall of 2007. Unfortunately, I couldn’t find the newsletter in my […]

Verification in the IEC 61511 Safety Lifecycle

Posted in Safety on Wednesday, August 19th, 2015. No comments yet
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I received a great question about the application of the IEC 61511 safety lifecycle. The person noted that a question was raised after the safety integrity level (SIL) study and safety requirements specification (SRS) had been performed. The question is about the verification of these and who would need to perform them. I turned to […]

Control Valve Suitability in Safety Applications

Posted in Final Control Element, Safety on Wednesday, April 8th, 2015. No comments yet
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Sometimes an email exchange turns up something developed years ago that still has great value. So is this case with an article I received as an attachment on final control elements and their suitability in safety instrumented functions (SIFs), a.k.a. safety loops. The article, When SIL suitability is required for final control elements, was written […]

Level Switches in Tank Overfill Safety Applications

Posted in Level on Wednesday, April 1st, 2015. 2 comments so far
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Level measurements, especially in safety critical applications such as tank overspill protection, continue to advance in capability, accuracy and reliability. In this 3:16 YouTube video, Prevent overfills & decrease operating costs with Rosemount 2100 vibrating fork level switches, Emerson’s Marianne Williams shares how the Rosemount 2100 series of liquid level switches help solve measurement challenges […]

Tank Monitoring and Overfill Prevention

Posted in Level, Tank Gauging on Monday, June 23rd, 2014. 2 comments so far
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Earlier this year, the National Institute for Storage Tank Management (NISTM) held the 16th Annual International Aboveground Storage Tank Conference & Trade Show. At this conference, Emerson’s Johan Sandberg presented, The Future of Tank Monitoring and Overfill Prevention. Johan is a Global Business Development Manager for the Rosemount Tank Gauging family of technologies. He addressed […]