Controllers monitor valve performance on-line

Microprocessor-based instruments enable users to monitor valve performance online, to collect and trend performance data over time, and to better predict or plan valve maintenance.

Emerson Process Management has announced it has surpassed sales of half a million Fisher Fieldvue digital valve controllers, leading the smart positioner market worldwide.

More than two dozen patents have been awarded for this product line to date, and sales of Fieldvue instruments exceed the total combined sales of several Emerson competitors in this market.

Introduced in 1994, the microprocessor-based Fieldvue instruments enable users to monitor valve performance online, to collect and trend performance data over time, and to better predict or plan valve maintenance.

The innovative Fieldvue instruments are a key component that powers Emerson Process Management's PlantWeb digital plant architecture to proven savings of more than 30% of project costs, and greater than 2% operations savings, including benefits of predictive valve maintenance.

"Fieldvue digital valve controllers have changed the way process control industry personnel operate and maintain their equipment," commented Bruce Johnson, vice president of instruments within Emerson's Fisher valve division.

"Fieldvue-patented diagnostic capabilities are used to pinpoint performance problems while the valves are controlling, and the plant is running.

Users do not have to service all of their control valves; instead, they can identify and service only the valves that need attention." Johnson continued: "Improved plant performance results from better control and monitoring, are provided through Fieldvue instruments.

The value of Fieldvue instruments is reflected in the amount users save on maintenance - avoiding unplanned shutdowns, extending the time between shutdowns, and operating plants at more reliable and productive levels." The Fieldvue instrument line provides a choice of capabilities to meet a variety of end user requirements.

Users may select from Hart or Foundation fieldbus communication protocols, as well as options that enable partial-stroke valve testing in safety instrumented systems (SIS).

Other product enhancements include stainless steel constructions, remote mounting configurations, or extreme temperature options.

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