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Posts Tagged ‘Fisher’

Improving Control Valve Reliability through Valve Condition Monitoring

Posted in Digital Transformation, Final Control Element on Monday, November 18th, 2019 (9 hours ago). No comments yet
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An Asian refiner sought to improve reliable operations around their control valves a decade ago. I caught up with Emerson’s Sumitaka Ichiki who shared the story of their journey to more reliable operations. Using the Fisher FlowScanner valve diagnostic software, they analyzed the dynamic response of many of their critical valves. Based on their findings, […]

Valve Condition Monitoring Connected Services

Posted in Controllers & Positioners on Monday, October 28th, 2019. No comments yet
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One path in digital transformation programs is to drive reliability improvements of plant assets by moving from reactive maintenance to condition based maintenance of the equipment. I caught up with Emerson’s Saurabh Pathak who shared a case study with me of a large, Middle Eastern natural gas transportation & distribution company. This company had a […]

Approaches to Partial Stroke Testing Safety Valves

Posted in Final Control Element, Safety on Wednesday, October 23rd, 2019. No comments yet
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The safety valve within a safety instrumented function (SIF) must be tested regularly to help assure proper operation in the event of a safety demand. Operators usually perform an offline full stroke test during a scheduled shutdown because of the impact of this test on the process. But when a SIF (a.k.a. safety loop) requires […]

Globe Valve Basics

Posted in Education, Final Control Element on Thursday, July 18th, 2019. No comments yet
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If you’re new to the process industries and have responsibilities including a safe, reliable and efficient production process, then you likely need to understand how control valves work. And, one of the best sources for learning is the Control Valve Handbook. For instance, if you need to learn about globe valves, section 3.1.1 of the […]

Pressure Drop across Control Valves

Posted in Final Control Element on Wednesday, July 3rd, 2019. No comments yet
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Let’s end this short week for the United States of America’s 4th of July Independence Day holiday with an educational video from Emerson’s Fisher Valves & Instruments YouTube channel. The video, Control Valve Sizing Basics: What is Pressure Drop?, describes what this is, how to calculate it, and its importance in the selection of the […]