Valves used in process safety applications remain static for much of their existence in a manufacturing or production process. Digital valve controllers can play an essential role in ensuring these valves operate as they should when called upon in an abnormal situation.
Emerson’s Riyaz Ali & Tom Mullins join podcast host Jim Cahill to share the story of an LNG producer and how they applied digitalization in their project design and installation to deliver integrated solutions to improve the project schedule and ongoing operational performance.
There are three basic alert settings within all Fisher digital valve controllers that provide advanced notice of degrading performance, but those alerts must be enabled, configured and monitored — ideally by following the four-step program outlined in this article.
Generally, depending upon the design of internal components of smart devices and their response to control change from the controller input signal, pneumatic parts like I/P (current-to-pressure transducer) and pneumatic relays are tailored to optimize control performance.
Emerson’s Riyaz Ali presented Digital Valve Controller Used with Final Control Elements Inching Towards Net Zero Emission at the 2024 Emerson Exchange conference in Düsseldorf, Germany. Here is his presentation abstract: Energy consumption is a big part of process...
The article, When Pneumatic Standalone Controllers Age Out, discusses alternative process controller designs that address the issues with pneumatic controllers, while providing a host of additional benefits.
Modern digital valve controllers with onboard valve monitoring and diagnostics reduce unplanned outages and increase profitability. End users choosing controllers should carefully evaluate the features offered to take advantage of the significant advancements seen in the last few decades.
During the Emerson Exchange EMEA 2024, Chand Basha Chittoor, staff engineer E&A at the SABIC Centre of Excellence in the Kingdom of Saudi Arabia, informed delegates how the company optimized turnaround planning and execution using control valve diagnostics.
Valve controllers play a vital role in industrial processes, ensuring that control valves are positioned accurately under changing process conditions. Building upon fifty years of valve controller improvements, the new Fisher™ FIELDVUE™ DVC7K digital valve controller...
Control and on-off valves carry out critical functions in process plants and facilities worldwide, so their performance and condition must be closely monitored. New digital valve controllers provide this functionality, along with other tasks, improving the operation and uptime of these valves. These controllers also enable optimization of maintenance activities by predicting failures well in advance, allowing for proactive instead of reactive actions.
The Fisher FIELDVUE DVC7K digital valve controller offers Advice at the Device technology with real-time analytics for valve health diagnostics and prescriptive corrective actions. In a ControlGlobal.com article, Advice at the device—and remotely, Emerson’s Tom Brandau is quoted on the history of digital valve controller technology.
I’ve often written about how digital valve controllers improve control valve performance and ongoing maintenance. But how about on-off valves? In this Valve World Americas featured story, How Digitized On-Off Valves Improve Operations, Emerson’s Riyaz Ali explains how...
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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.