Control Valves would control ideally the process without any interface to the outside. Although, that’s not practical with today’s technology. Control valves are by design an interface between the process and the outside. This interface can cause some level of...
I received a question from an earlier post, End of Life Expectancy for Final Control Elements in Safety and Control Systems, by Emerson’s Riyaz Ali. The instrument & control engineer who came upon the blog post wrote…
When is it possible to use control valves like final elements for SIS [safety instrumented system] application? I am looking for other useful documents and technical requirements when it is possible to use only control valves as the final element instead of on/off valves and not in combination with it in the SIF [safety instrumented function] application.
Three new short, YouTube videos are part of the Control Valves Basics playlist which also has quite a number of other videos to quickly ramp you up the learning curve on basic knowledge of control valves.
Valve sizing and selection has the same opportunity. At Emerson, our Final Control portfolio is unmatched in brand, breadth (wide and deep), and local subject matter expertise.
Emerson’s Katherine Bartels and Adam Harmon address the subject of control valve choked flow in liquid and gas applications in an International Society of Automation Intech article, Choked Flow in Control Valves.
At the Emerson Exchange Americas virtual series, Emerson’s Reid Youngdahl, Trevor Stoakes and Michael Wyatt show ways to visualize control valve noise and ways to reduce it.
In a Flow Control article, Understanding and solving control valve cavitation problems, Emerson’s Thirumalai Karthik (TK) Arasu opens highlighting the potential severity of cavitation.
In manufacturing processes with flowing fluids, control valves are among the most important equipment to keep the process operating smoothly and reliably. For those not experienced in their design and operation, AIChE's CEP magazine has a great article, Evaluate...
The Fisher Control Valve Handbook is the best place to begin to better understand sizing and selection of control valves for your application.
Let's end the week with a quick 3:21 YouTube video, Mobile Service Centers. These are part of valve, actuator & regulator lifecycle services available from Emerson. The mobile service centers bring certified repair and onsite service capabilities for small and...
Control valves are the workhorses of most processes. They touch the process fluids and often contend with many challenges—abrasive and corrosive fluids, high pressures and temperatures, and vibrations caused by piping and surrounding process equipment, to name a few....
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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.