I caught up with Riyaz Ali who is in our organization managing Emerson's Fisher brand of valves and regulators. You may recall Riyaz from some earlier posts on safety valve local control panels, partial-stroke test in safety applications, and testing safety solenoid...
Riyaz Ali
Improving Local Control around Safety Shutdown Valves
You have to admire the way a team of engineers when presented with a challenge, come up with a better, less costly approach. Such is the case with a local control panel for a safety valve that Emerson Fisher division's Riyaz Ali showed me. You may recall Riyaz from...
Partial-Stroke Tests, Proof Tests, and Smart Positioners in Safety Applications
Before the holidays, Dave Harrold wrote a post, A Wee Bit More About Safety Instrumented Systems, in his Dave @ AFAB Group blog. He describes his work with Dr. Angela Summers, founder/president of SIS-Tech Solutions on a guidelines book for the global IEC 61511 safety...
Checking Your Safety Solenoid Valves
In an earlier post I discussed the critical role the final control element plays in a safety loop or safety instrumented function (SIF) in safety parlance. This equipment mostly stays in one position until called upon to move should an emergency situation arise....
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