References to the use of butterfly valves date back to James Watt, who: …made use of a butterfly valve in his steam engine, and the first Mercedes car built around 1901 introduced a butterfly valve in the fuel intake linked to the accelerator pedal. Wikipedia...
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...
Managing pressure is a fundamental control challenge for most process manufacturers and producers. A frequent question is whether a pressure regulator or control valve is best for a particular application. At last fall's Emerson Exchange, I live-blogged a great...
Emerson's Carsten Thoegersen and Emanuele Rivolta shares his expertise on high-integrity pressure protection systems in process safety applications. Their abstract: HIPPS (High-Integrity Pressure Protection System) is a part of the Safety Instrumented System (SIS) &...
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...
A recent ControlGlobal.com article explored the energy savings of variable frequency drive (VFD)-based centrifugal pumps versus control valves in flow control applications. The article, Eliminating the Control Valve sums its position in the subtitle, "Valves Are...
Safety instrumented functions (SIFs), also known as safety loops, are comprised of a sensor to sense the process condition, a logic solver to decide the safety action to take, and a final element to perform the action. Emerson's Riyaz Ali and I & C Specialist's C...
Emerson's Mike Boudreaux shared a Control Engineering Asia article written by the renowned process safety expert, Paul Gruhn. The article, Providing Process Safety, analyzes some of the latest trends in safety instrumented systems (SIS) designs for the process...
The March/April edition of Intech magazine features an article by ModelingAndControl.com's Greg McMillan--Key design components of final control elements. The article is derived from Greg's new book, Essentials of Modern Measurements and Final Elements in the Process...
Recently at the International Health, Safety, Environment, and Loss Prevention Conference in Kuwait, Emerson's David Walker had the opportunity to present on the topic of process safety. His presentation, Using a Smart Safety Instrumented System (SIS) to Make Better...
If ever there were a need for dynamic control, it would be for the global bond and equity markets this week. Instead of tackling that global challenge, with today's post I'll highlight Emerson senior process control consultant Mark Coughran's Emerson Exchange...
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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.