Extending proof test intervals by improving SIS final element reliability
Large chemical and refinery units often run up to 5 yr between plant outages, and many would extend that time even longer to maximize production.
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The Authors
Hoyme, M. - Emerson, Marshalltown, Iowa
Mike Hoyme is a Product Manager for Fisher Rotary Valves. He is a certified functional safety professional with 10 yr of valve engineering and product management experience. He strives to create final elements for SISs that both improve safety and process uptime. Mr. Hoyme earned a BS degree in mechanical engineering from the South Dakota School of Mines and Technology.
Miller, J. - Emerson, Marshalltown, Iowa
Justin Miller is a Senior Sales Engineer for Emerson’s flow controls products, specializing in the chemical industry. Previously, he spent 6 yr in product management where he supported Fisher sliding stem valves. He is a certified functional safety professional with 9 yr of valve application and product management experience. He strives to help customers find the best possible solutions to challenging applications. Mr. Miller earned a BS degree in mechanical engineering from Iowa State University.
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