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  • Stay on Top of Your Tanks

    Jim Cahill
    For storage tanks, controlling emissions is a high priority concern. A pressure vacuum relief valve (PVRV) is a critical component in managing pressure. Knowing when and for how long it opens to release pressure also helps to determine what emissions occurred. In this quick 1:52 video, PVRV with Smart Wireless Technology , Emerson’s Steve Attri , explains how wireless technology can help determine if the PVRV is working…

  • Monitoring Storage Tank Emergency Vents

    Jim Cahill
    You will find low-pressure storage tanks in many industries including oil and gas, chemical, petrochemical, pharmaceutical, and food and beverage. Emergency vents have traditionally been used as the last line of defense in overpressure situations. In a new whitepaper, Benefits of Wireless Monitoring of Storage Tank Emergency Vents , Emerson’s Steve Attri describes how the ability to monitor pressure release conditions…

  • Monitoring Storage Tank Emergency Vents

    Jim Cahill
    You will find low-pressure storage tanks in many industries including oil and gas, chemical, petrochemical, pharmaceutical, and food and beverage. Emergency vents have traditionally been used as the last line of defense in overpressure situations. In a new whitepaper, Benefits of Wireless Monitoring of Storage Tank Emergency Vents , Emerson’s Steve Attri describes how the ability to monitor pressure release conditions…

  • Monitoring Storage Tank Emergency Vents

    Jim Cahill
    You will find low-pressure storage tanks in many industries including oil and gas, chemical, petrochemical, pharmaceutical, and food and beverage. Emergency vents have traditionally been used as the last line of defense in overpressure situations. In a new whitepaper, Benefits of Wireless Monitoring of Storage Tank Emergency Vents , Emerson’s Steve Attri describes how the ability to monitor pressure release conditions…

  • Remotely Monitoring Storage Tank Pressure and Vacuum Relief Valves

    Jim Cahill
    In current times where oil supply exceeds demand, storage tanks are filling. A recent Reuters article, Oil glut up close: How Cushing copes with full crude tanks notes: There may be no better place to witness what a world awash in crude looks like, and the 9 square-mile (23.3 square km)complex seems to bear out oil traders’ fears that the industry is running out of space to contain a historic supply glut that has…

  • Remotely Monitoring Storage Tank Pressure and Vacuum Relief Valves

    Jim Cahill
    In current times where oil supply exceeds demand, storage tanks are filling. A recent Reuters article, Oil glut up close: How Cushing copes with full crude tanks notes: There may be no better place to witness what a world awash in crude looks like, and the 9 square-mile (23.3 square km)complex seems to bear out oil traders’ fears that the industry is running out of space to contain a historic supply glut that has…

  • Pressure Regulators in Upstream Oil and Gas Processing Applications

    Jim Cahill
    Managing pressures are a large part of the control strategies for upstream oil and gas applications. These pressures include those in the main processing lines, fuel lines and vapor spaces found in storage tanks. Emerson’s Thomas Weyer shared a new pressure regulator upstream oil and gas application map with me. It was designed to show the options of pressure regulators upstream and downstream of the equipment typically…

  • Pressure Regulators in Upstream Oil and Gas Processing Applications

    Jim Cahill
    Managing pressures are a large part of the control strategies for upstream oil and gas applications. These pressures include those in the main processing lines, fuel lines and vapor spaces found in storage tanks. Emerson’s Thomas Weyer shared a new pressure regulator upstream oil and gas application map with me. It was designed to show the options of pressure regulators upstream and downstream of the equipment typically…

  • Online Pressure Regulator CAD Drawing Resource

    Jim Cahill
    For process manufacturers and producers, regulating pressure throughout the process is important for safety, efficiency and reliability. We’ve highlighted the important role of pressure regulators in numerous posts . During the front end engineering design phase of a project, having good CAD ( computer-aided design ) drawings are important in determining the best regulator for the application given piping configurations…

  • Application Guide for Natural Gas Pressure Regulators

    Jim Cahill
    I saw on my LinkedIn home page that my friends who manage Fisher Regulators have released the Natural Gas Technologies Application Guide – Edition VII , which is now available online in eBook format… very nice! This application guide is designed to help you quickly and easily select pressure regulator products for natural gas applications in transmission, distribution and utilization. If you don’t have great familiarity…

  • Working Monitor Pressure Regulators in Fuel Gas Pressure Control

    Jim Cahill
    Fuel gas drives the boilers, fired heaters, generators, compressors and more in many process manufacturing and production operations. Accurately controlling fuel gas pressure is important for optimum combustion and overall energy efficiency. I received a draft of an Emerson Exchange Denver conference presentation by Dow’s Tony Dafft, Ryan Baker with Emerson local business partner, Puffer-Sweiven , and Emerson’s Michael…

  • Controlling Pressure when Testing Oil and Gas Well Bore Cement

    Jim Cahill
    For those not familiar with the oil & gas drilling process, the cement that is between the well bore and outside of the well casing is critical to the overall integrity of the well. PetroWiki defines its role : Cement is used to hold casing in place and to prevent fluid migration between subsurface formations. TESCOM ER5000 Series Electropneumatic Controller Controlling the pressure is very important in the cement…

  • Faster Subsea Hydraulic Equipment Startups

    Jim Cahill
    Offshore oil and gas producers use hydraulic power to operate much of their subsea equipment. This equipment includes valves, cylinders, motors, manifolds, blowout preventers and remote operated vehicles to name a few. Pressure regulators in Hydraulic Power Units (HPUs) help ensure the required hydraulic pressure is available for this equipment. One of the challenges in pressurizing this equipment is the time it takes…

  • Detonation Arrestors for Unstable Detonation Conditions in Piping Systems

    Jim Cahill
    For production processes with flammable substances, flame arrestors are important safety devices that allow gases to pass through but prevent flames in order to prevent a larger fire or explosion. A recent Control Engineering Europe article, Detonation arrestors reduce complexity and increase safety , highlights considerations in detonation arrestors , which are flame arrestors designed to prevent the transmission…

  • Corrosion-Resistant Materials in Chemically-Hostile Valve Applications

    Jim Cahill
    When it comes to instrumentation and final control elements which touch the process, materials of construction are one of the critical selection criteria. In a whitepaper, PPS Outshines Stainless Steel in Chemically Hostile Valve Applications , Emerson’s Steve Attri describes how this PPS material is highly resistant to corrosion in highly-corrosive applications. He opens defining and describing PPS: Polyphenylene…

  • Managing Pressure and Temperature on Oil and Gas Well Pad Burners

    Jim Cahill
    In oil and gas production and transportation, managing temperature and pressure is critical for safe and efficient operations. In a whitepaper, The Significance of Reliable Pressure Control in Oilfield Burner Systems , Emerson’s Deepak Sivanandan describes the technologies critical in managing process temperatures and pressures. Deepak opens by highlighting the integral role of burners on oil & gas well pads: …

  • Complying with Storage Tank Emissions Regulations

    Jim Cahill
    If you’re an energy producer here in the United States, you likely already familiar with the Environmental Protection Agency’s “Quad O” regulations, or officially, EPA Title 40, C.F.R. Part 60, Subpart OOOO—Standards of Performance for Crude Oil and Natural Gas Production, Transmission and Distribution . The EPA defines its purpose: This subpart establishes emission standards and compliance schedules for the control…

  • Interactive Demonstration of Pressure Regulators in Action

    Jim Cahill
    Controlling the pressure levels is one of the challenges many instrumentation and automation engineers face. Pressure regulators are often used for this task, since they are self-regulating and don’t require a control loop connected to the plant distributed control system (DCS). I saw this post, Pressure Regulator Animations by Emerson’s Michael Calaway in the Emerson Exchange 365 community. He shares links to some…

  • Testing and Evaluating Pressure Regulator and Relief Valve Applications

    Jim Cahill
    Let’s close the week with peek into the labs where pressure regulator and relief valve testing is done. In this 4:21 second YouTube video, Emerson Lab Overview , the team managing the lines of regulator technologies provide a look at the test labs and share examples of testing performed. This testing on pressure regulators and relief valves helps to assure successful operation when the regulators are placed into service…

  • Pressure Regulator and Control Valve Best Fit Applications

    Jim Cahill
    The post Pressure Regulator and Control Valve Best Fit Applications appeared first on the Emerson Process Experts blog. Managing pressure is a fundamental control challenge for most process manufacturers and producers. A frequent question is whether a pressure regulator or control valve is best for a particular application. At last fall’s Emerson Exchange, I live-blogged a great presentation by Keith Erskine with Emerson…

  • Basics of Flame Arrestor Technology

    Jim Cahill
    The post Basics of Flame Arrestor Technology appeared first on the Emerson Process Experts blog. In process operations with combustible gases, flame arrestors are devices that help mitigate the risk of combustion. Wikipedia defines these devices : A flame arrester (also spelled arrestor ), deflagration arrester , [1] or flame trap [2] is a device that stops fuel combustion by extinguishing the flame . [3] Michael…

  • Sizing Tank Blanketing Regulators

    Jim Cahill
    Steve Attri Global Product Manager In March of 2014, API Standard 2000 (Venting Atmospheric and Low-Pressure Storage Tanks), 7 th edition was released. In a whitepaper, Sizing Tank Blanketing Regulators Using the Latest API 2000 7th Edition Guidelines , Emerson’s Steve S. Attri describes how the latest changes affect the sizing of tank blanketing regulators. The whitepaper also includes how backpressure regulators…

  • Refinery and Chemical Plant Pressure Regulator Applications

    Jim Cahill
    Pressure regulators play an important role in process operations. Wikipedia describes their operation : A pressure regulator’s primary function is to match the flow of gas through the regulator to the demand for gas placed upon the system. If the load flow decreases, then the regulator flow must decrease also. If the load flow increases, then the regulator flow must increase in order to keep the controlled pressure…

  • Control Valve or Pressure Regulator?

    Jim Cahill
    Pressure is typically one of the most fundamental control parameters for process manufacturers and producers. Many types of final control elements including control valves and pressure regulators are used to perform this function. How do you decide which to use? I received an advanced copy of a paper being developed by Emerson’s Jake Buford . The paper, Choosing the Proper Pressure Control Device for your Application…

  • Regulators versus Control Valves: What’s the Best Fit?

    Jim Cahill
    Keith Erskine with Emerson local business partner Puffer-Sweiven and Vince Mezzano with Fluor co-presented a look at considerations in selecting control valves versus regulators. Their abstract: This session will review the selection criteria for consideration of pressure regulators vs. control valves for uses on various applications to ensure the best technical and cost-effective solutions. Understanding unique application…

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