Posts Tagged ‘valve positioner’

Safety Valve Positioners and Common Cause Failure Questions

Posted in Final Control Element, Safety on Thursday, February 27th, 2014. 5 comments so far
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If you work with pumps in your facility, you may be familiar with the Empowering Pumps site, a wealth of information to help you with these important assets in your plant. Founder Charli K. Matthews has launched something similar for valves, Empowering Valves. I had the opportunity to contribute a guest post, Common Cause Failures […]

Howto Video on Pneumatic Valve Positioner Mounting

Posted in Education, Final Control Element on Wednesday, February 12th, 2014. 4 comments so far
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I knew when my son went to YouTube before coming to me when he needed to learn how to tie a tie–that howto videos were valuable, easily discoverable, and broadly used. I’ve share examples such as How To Install Micro Motion 9739 MVD Electronic Modules on how process automation suppliers are producing howto videos in […]

Providing Operators Process Control Valve Position Feedback

Posted in Final Control Element, Wireless on Friday, January 10th, 2014. 12 comments so far
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Control systems provide signals to control valves to regulate their position per the requirements of the control strategy. It is good engineering practice, especially for critical control valves to have valve travel feedback from independent devices such as position transmitters, limit switches, or positioner output feedback. Emerson’s Riyaz Ali, whom you may recall from earlier […]

Field Device Local Display in Process Safety Applications

Posted in Final Control Element on Wednesday, October 9th, 2013. No comments yet
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One of the great things about conferences such as last week’s Emerson Exchange Americas conference is reconnecting face-to-face with people where some time has passed. I had the chance to connect with Emerson’s Riyaz Ali, whose expertise I’ve highlighted in several digital valve controller and safety-related posts. He shared a story where he was recently […]

Additional Clarifications on Digital Valve Controllers in Safety Applications

Posted in Final Control Element, Safety on Thursday, March 1st, 2012. 2 comments so far
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A few months ago, I attempted to clear up some misconceptions about the use of digital valve controllers in safety applications in a post, Clarifications on the Use of the DVC6000 SIS in Safety Applications. It addressed misconceptions about references to the obsolete DIN 19250 standard, failsafe DVC 6000 SIS, SIL 3 suitability not being […]