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...
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...
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...
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...
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...
ISA Portugal recently hosted a conference on functional safety. Emerson's Russell Cockman, whom you may recall from earlier safety-related posts, presented 10 ways to improve functional safety without worrying where to put the decimal point in the calculation. From...
Final elements such as safety shutdown valves, emergency isolation valves, blowdown valves, etc., in safety instrumented functions (SIFs) are equipped with various accessories such as digital valve controllers, solenoid valves (SOV), and volume boosters, to name a...
exida's Dr. William Goble and Emerson's Afton Coleman presented, What's is in a SIL Safety Certification?, at the 2012 Emerson Exchange conference. Their abstract:How is a product "certified" for use in a safety instrumented system? What does this mean, and how do I...
For oil & gas, chemical, petrochemical, and pharmaceutical producers, measuring levels in tanks is an important component for inventory management. I saw a write up by Emerson's Kevin Cullen that describes how level measurement is not only important for inventory...
I had the chance to catch up with Emerson's Riyaz Ali at the Emerson Exchange last month in Nashville. You may recall Riyaz from many process safety-related posts. In his conversations with process automation and safety professionals, he has been encountering some...
Update and bump: I received great news from Riyaz that the ISA Kuwait section has agreed to let us upload and link to their December 2009 newsletter containing Riyaz's article, When is a Safety Integrity Level (SIL) Rating of a Valve Required? I'd like to thank the...
Emerson's Mike Boudreaux shares some misconceptions that automation and safety professionals have about functional safety. Here they are in Mike's words: Emerson has provided free safety lifecycle seminars to process industry companies around the world, including...
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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.