Activity
  • Mitigating Control Valve Noise

    Manufacturing and production facilities tend to be noisy, especially where fluids flow through pipes. Control valves can be one of the sources of noise contributing to these conditions. In a Chemical Engineering article, Reducing the Noise from Control Valves , Emerson’s Mark Nord describes ways to reduce noise levels emitted from these control valves. He opens by describing decibels and the dBA scale in how it corrects…
  • Pick the Right Valves for Your LNG Applications

    Jean-Paul Boyer , Massimiliano Franco , Nagendra Maddula , and Eugenio Sudati recently published an article in the November 2022 issue of LNG Industry. It is titled “The Key to Valve Selection for Challenging LNG Applications” and it describes key design parameters for choosing the best valves for LNG terminal operations. A summary of the article follows. Liquified natural gas (LNG) has become a mainstay of the low…
  • The Chip Shortage Continues: How Semiconductor Manufacturers Are Responding

    The global chip shortage continues to put pressure on semiconductor manufacturers, who are searching for ways to increase production yields. One solution is to modernize operations with cutting-edge automation and data analysis tools. However, this is costly. Another option is to digitize components and work toward complete digitalization of the entire process. This would allow manufacturers to monitor and control operations…
  • Wellhead Electrification Drives Optimization Program

    At the 2022 Emerson Exchange conference, Prabhat Behera from Occidental (Oxy) shared insights and lessons learned from a wellhead electrification project. Puffer-Sweiven’s Jack Lee and Emerson’s Damian Trujillo joined him to provide additional context on the integrated model that brought together the application, product and services. Here is their session abstract: Shutdown valves installed at the wellhead for oil…
  • Reducing Emissions from Vessels, Valves, and other Equipment

    Marcel Dultra , Dan Myers , and Emily Thomas of Emerson recently published an article in the September 2022 issue of Valve World Americas. It is titled “Greening Process Equipment One Device at a Time” and it discusses a host of recently introduced technologies designed to significantly reduce emissions. A summary of the article follows. Numerous government standards targeting greenhouse gas emission reductions, as…
  • Innovation in Controlling Exothermic Reactions in Biodiesel Processing

    Emerson Impact Partner Applied Control ’s Julia Imhoff and Miranda Hunter teamed with Renaissance Technologies’ Terry Wilford to discuss a novel way to avoid catalyst damage for a high exothermic reaction. Here is their session’s abstract: When producing renewable biodiesel, a goal during the process is to produce the correct reaction between oils and catalysts. During production, if the reactor undergoes an upset condition…
  • Innovative Rotary Valve Trim for Severe Service Conditions

    Emerson’s Justin Lannin and Vinson Process Controls’ Mike Stinn teamed up to present, Hex & The City: Ponca City Refinery Reduces Maintenance with Fisher Cavitrol Hex , at the 2022 Emerson Exchange conference. Here is their session’s abstract: Phillips 66’s (P66) Ponca City Refinery, in Ponca City Oklahoma produces a full range of products and has a large blending unit where finished products are made. A severe service…
  • Reduce Waste & Increase Efficiency in Clean-in-Place Processes

    While the idea of adding costs to a food and beverage or pharmaceutical industry process like Clean-in-Place/Steam-in-Place (CIP/SIP) has not traditionally been an easy decision, in today’s industrial environment that has changed. With the retirement of experts, the lack of availability of workers, the increase in materials costs and narrowness of margins, the principal way for food and beverage and pharma companies to…
  • Role of Intelligent Electric Valve Actuators in Digital Transformation

    Valves play a critical role in managing the process’s flow for process manufacturers and producers. As companies look to transform their operations to drive greater safety, sustainability, and reliability, increasing the intelligence in these devices helps the overall digital transformation efforts. In a Process Industry Informer article, Flow Control – The Current State of Industrial Digital Transformation and a Look…
  • Avoiding Actuator Damage from Failed Components

    Manufacturers and producers must think through their process safety on ways to mitigate risks against failure conditions in the components within a basic process control system (BPCS) or safety instrumented system (SIS). For instance, failures can occur on air filter regulators (AFRs) on valve actuators. I mention this because I connected with Emerson’s Riyaz Ali , who had a discussion with a major international oil company…
  • Partial Stroke Tests and Diagnostics for Emergency Shutdown Valves

    Emergency shutdown valves perform the work of bringing the process to a safe state in the event of a hazardous condition. They must be periodically tested, because, unlike other valves, they may sit dormant for a long time. This 2:22 YouTube video, Emerson TopWorx DX PST with HART 7 , explains how this partial stroke and emergency shutdown valve controller controls and monitors these shutdown valves. To test the capability…
  • Actuation Solutions for Constrained Spaces

    I recently had an article published in the August 2022 issue of Hydrocarbon Processing. It is titled “Why Compact Actuation Solutions are Ideal for Constrained Space Installations,” and it discusses how a vertical profile actuator is providing new opportunities for space-constrained applications. A summary of the article follows. Space constraints are common in the oil and gas industry. However floating production,…
  • Clarifying Rebuilds to Extend Valve Lifespans

    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: In your article, you mention that “preventive maintenance practices play an important role in extending the life of mechanical items. Especially if they are re-built correctly each time during a shutdown…
  • Driving Combined Cycle Efficiency Gains

    Combined cycle electrical power generation facilities play an essential role in providing baseload power to the grid. The principle of operation : …is that after completing its cycle in the first engine, the working fluid (the exhaust) is still hot enough that a second subsequent heat engine can extract energy from the heat in the exhaust. Usually, the heat passes through a heat exchanger so that the two engines can…
  • Control Valves in Safety Instrumented Functions

    A reader of this blog came upon the post, When is a SIL Suitability Rating Required for Final Control Elements? The reader sent an email to the blog post author, Emerson’s Riyaz Ali , asking (of which I’ll paraphrase): 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…
  • Valve Stem Sealing Best Practices

    I just saw a post, Article: Proper Valve Stem Sealing Best Practices , in the Valves Forum in the Valves, Actuators & Regulators group in the Emerson Exchange 365 community. The post by Emerson’s Mark Nymeyer recaps an Intech article by Lisa Miller , Proper Valve Stem Sealing Best Practices . Here is an excerpt of the opening of the post, and I invite you to read the full summary as well as Lisa’s article. Emerson…
  • Smart Electric Valve Actuators for Improved Performance

    The 2022 Industrial Valve Summit took place this week in Bergamo, Italy. It is a leading international event for oil & gas valve technologies and flow control solutions. At this event, Emerson’s Knut Riegel shared in this video how smart electric valve actuators accelerate connectivity with plant information systems to support digital transformation initiatives. The electric actuators support electrification efforts and…
  • Engineering Renewable Natural Gas Solutions

    Emerson pressure management business development manager Isaac Droessler , and pressure management director, Arrchana Lakshmanan , recently published an article in the April 2022 edition of Pipeline & Gas Journal . It’s titled Engineering Renewable Natural Gas Solutions , and it describes straightforward solutions to handling the numerous engineering challenges associated with customized biogas processing and biomethane…
  • Get Expert Operating Analysis with Remote Valve Condition Monitoring

    Emerson’s Lifecycle Services Business Development Manager John Carlow recently published an article in the March/April 2022 edition of Process Instrumentation. The article is titled Get Expert Operating Analysis with Remote Valve Condition Monitoring . It describes how plants can unleash the power of their installed equipment to avoid unplanned outages by utilizing remote monitoring services. A summary of the article…
  • Protecting Industrial Tank Integrity

    Emerson’s Earl Richard presented What’s Going On Up There? How To Control and Reduce Tank Vent Fugitive Emissions and Maintenance at the 2022 4C HSE conference. Here is his presentation abstract: Tank venting equipment such as blanketing regulators, thief hatches, pressure/vacuum relief valves and emergency vents are needed to safely operate AST’s. If these devices are not correctly sized and selected, excessive fugitive…
  • Pressure Relief Valve Continuous Monitoring for Affirmative Defense

    Emerson’s Marcio Donnangelo and Marcelo Dultra presented Reducing Data Complexity on Affirmative Defense Claims with PRV Monitoring System at the 2022 4C HSE Conference. Here is their presentation abstract: Despite the efforts to stay compliance, operation isn’t totally free from unauthorized events to happen. If that happens, Affirmative Defense should be considered. However, not knowing the frequency of emissions…
  • Valve Packing Selection for Fugitive Emissions Reduction

    As oil and gas producers balance the demands for greater production and more sustainable operations, reducing fugitive emissions is one area of focus. The packing in valves is one area to drive improvements. In a Processing article, Simplifying control valve packing selection , Emerson’s Sarah Witte and Wade Helfer highlight the importance of valve packing selection for more sustainable production. Sarah and Wade…
  • Reliable and Maintainable Intelligent Electric Actuators

    Electric valve actuators help solve fugitive emission challenges in industries where natural gas has powered the pneumatic actuators. While this is one case for their use, they also provide excellent controllability for challenging valve automation demands in the oil & gas, power, municipal, and process industries. In this 3:35 YouTube video, Bettis XTE3000 Electric Actuator , Emerson Impact Partner, Puffer-Sweiven…
  • Eliminating Methane Emissions and Improving Control Performance

    For many oil & gas producing sites, the traditional way to power valve actuators has been from the natural gas pressure from the well. The issue with this approach is the venting of methane into the atmosphere. In an Oilfield Technology article, Switching on to Electric Control Valves’ Potential (pp. 54-59), Emerson’s Scott Losing and Andrew Prusha describe how electric valve actuators have advanced to replace pneumatic…
  • Valve Reliability in Safety Instrumented Functions

    The three key components in a safety instrumented function (SIF)—sensor, logic solver and final element—each have their own probabilities of how they will perform, or not perform, when called upon to bring the process to a safe state. Of these three components, the final element is more like to fail on demand due to its role in touching the process and mechanically operating. In a Hydrocarbon Engineering article, Improving…