For a valve, zero leakage is defined as no visible leakage when tested at high pressure with water and low pressure with air according to existing international standards. Some of these seat leakage standards for control and isolation valves include ANSI/FCI 70-2/IEC...
You only have to watch accident investigation videos such as the U.S. Chemical Safety Board's Filling Blind video to understand the importance of pressure control and overfill prevention strategies for storage tanks in oil & gas liquids production, refining and...
The global natural gas market continues to develop as additional liquefied natural gas (LNG) facilities come online across the world. These LNG facilities have many challenges including equipment such as valves which come in contact directly with the cryogenic...
Valves are critical components inside of safety instrumented functions (SIFs) since they do the work of touching the process flows to bring the plant to a safe state in the event of a safety demand. In a Valve magazine article, How Valve Selection Can Impact SIS in...
The role of natural gas in the global energy mix continues to expand as it displaces coal and nuclear power as a baseload source of energy for electrical power generation. It is also an energy source for heating and cooking in many homes. Emerson's Sergio Pasquali...
Earlier this week, the Valve World Americas Expo & Conference convened in Houston, Texas. This gathering provides an opportunity for flow control industry professionals to share experiences, insights and to collaborate to resolve common challenges. Emerson's Dr....
Regulations on emissions for process manufacturers and producers have continued to grow ever stringent. Storage tanks in oil and gas production sites account for a sizable percentage of volatile organic compound (VOC) emissions. To address these regulations, you may...
Let's continue our 5 Questions for an Emerson Expert podcast series with our guest, Riyaz Ali. You may recall Riyaz from numerous posts about digital valve controllers and final control elements in safety instrumented system applications. He has almost 40 years'...
Wikipedia defines cavitation as: …the formation of vapour cavities in a liquid – i.e. small liquid-free zones ("bubbles" or "voids") – that are the consequence of forces acting upon the liquid. It usually occurs when a liquid is subjected to rapid changes of pressure...
The mission of this blog has always been to bring the experts around Emerson to you. Many of these folks also share their expertise in our Emerson Exchange 365 global user community and with LinkedIn posts. I'll highlight an example I saw today. Emerson's Rossella...
At the Emerson Exchange conference in Austin, Emerson's Tony Foster and Leah Stanley and Vinson Supply's Robert Lange presented, Selecting the Right Valve for Your Application to Reduce Cost and Increase Performance. Their abstract: Selecting the optimum valve for the...
At the Emerson Exchange conference in Austin, Emerson's Jonathan Vance presented Outgassing and Cavitation: Not So Good Vibrations. Here's the abstract: Outgassing and cavitation are two of the most common issues associated with control valves. Both phenomena often...
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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.