air flow control valve Articles

  • Healthy Control Valves

    A simple maintenance routine can help ensure trouble-free valve operation. Whether the control valve in your system is the first one that has required maintenance or if you are experienced with maintaining multiple valves in your system, some simple guidelines can help keep them operating at optimal performance. Physically checking all valves at least every 12 weeks is important, assuming that ...


    By Singer Valve Inc.

  • Control valve actuators: Their Impact on control and variability

    Sector: Oil & gas Category: Electric actuators Products: CVA Electric control valve actuators provide excellent performance and are ideal for oil and gas wells in remote production fields. Instrument air supply systems are costly and require significant energy to run. If mains power isn't available, an instrument air supply isn't ...


    By Rotork

  • Control valve actuators: Their Impact on control and variability

    Electric control valve actuators provide excellent performance and are ideal for oil and gas wells in remote production fields. Instrument air supply systems are costly and require significant energy to run. If mains power isn't available, an instrument air supply isn't practical, especially when only a few control valves are in use at a location. Solar powered DC electric actuators are ideal for ...


    By Rotork

  • Control valve actuators: their impact on control & variability - Case Study

    New electric control valve actuators provide significant control and reduced variability benefits over compressed air actuators in a wide range of process applications, resulting in superior control performance, fewer maintenance problems and energy savings. In a process plant, the general function of a control valve is to restrict the opening of the valve so it affects the flow or pressure of ...


    By Rotork

  • How to Size Diaphragm Actuated Control Valves

    There are many options and several conditions that need to be considered when purchasing the right valve for a job. The more information from the field, the better the choice will be. The ultimate goal is to have the best valve for the job required at the most economical price. While it is not rocket ...


    By Singer Valve Inc.

  • Valves in Water System of Heating Air Condition

    Common valves in water system of heating air condition include gate valve, globe valve and butterfly valve.   Gate vale For its moderate length, rotary adjusting rod and good regulating performance, gate valve is widely utilized in large caliber pipes.   Globe valve Globe valve is suitable for small caliber pipes for its long length, ...

  • Automatic control valves: how to assess ACV applications

    As automation and computers claimed a foothold in the operation and control of reservoirs and elevated water tanks, the industry moved the valve control from mechanical automatic control valves (ACV) to actuated butterfly and ball valves. The primary reason? Actuators can be controlled by SCADA systems, which have been almost ...


    By Singer Valve Inc.

  • Innovative flow control technology supports Australia’s programme for clean LNG

    Sector: Oil & Gas Category: Electric Actuators, Fluid Power Actuators, Control Networks, Services Products: CVA, IQ3 Standard, Skilmatic, EH, GO, CP, GP, HART Rotork flow control products have been selected for applications throughout the giant Queensland coal seam gas-to-LNG (Liquefied Natural Gas) projects in Australia. To date, ...


    By Rotork

  • Minute Flow Tip Video - Mass Flow Versus Volumetric Flow Technology

    When engineers and systems integrators need to measure gas flow rate in an industrial process or scientific research, there are many types of technologies to choose from.  This makes selecting the right gas flow meter a challenge. In addition to technology, engineers must consider many other parameters: price for value, cost of ownership, size of footprint, ...


    By Sierra Instruments, Inc.

  • Pendulum Counter-flow Cooler

      Specially designed for cooling larger size extruded feed, puffing feed and feed pellets in pellet plant, the SKLB pendulum counter-flow cooler is an advanced cooling machine. This machine gets rid of the shortcomings of side valve structure and succeeds in cooling large feed pellets. At present, with more and more puffing and extruded feed flooding into the feed market, pendulum ...


    By Allance Pellet Machinery

  • Top 10 Reasons to Choose a Diaphragm Actuated Control Valve

    Every water system typically consists of piping networks that distribute water from a source or storage reservoir to the end users. This frequently requires miles of piping mains along with pumps systems and controls that all have to be monitored and controlled somehow. Whether this control is to regulate pressure, a level or a flow, this usually will require some form of a ...


    By Singer Valve Inc.

  • Top 10 questions you should ask when purchasing a control valve

    Automatic control valves, much like everything else we purchase these days, are not all created equal. Some fall into the high quality bracket with pricing to match, while others hover closer to the lower quality and price sensitive end of the scale. Unfortunately, when evaluating control valve prices, it is not always clear what you are being offered ...


    By Singer Valve Inc.

  • Patoka Lake Plant upgrade requires new control valves

    Patoka Lake Regional Water & Sewer District (PLRWSD) serves 11 counties in southern Indiana with a population of around 130,000. The distribution of water travels through approximately 850 miles of pipe ranging in size from sizes 3 to 30 inches and includes numerous elevated towers or ...


    By Singer Valve Inc.

  • A Plast-O-Matic automatic air release valve ensures the depletion of unwanted air in pressurized tanks

    The latest addition to SeaWorld’s ever evolving kaleidoscope of animal and entertainment experiences is the “Manta”. As advertised by SeaWorld, the Manta will have riders flying face down, in a horizontal position, underneath the belly of a coaster train shaped as a giant manta. This giant manta, with a wing span of 12 feet, will soar over sea and sky in the most graceful flying ...


  • Identifying Your Ideal Air Pollution Control Technology, Scenario 2

    In our recent blog, "What's the Best Air Pollution Control Technology for My Process?", we took a look at the many factors that inform the choice of air pollution control equipment. When considering air pollution control needs for a facility, it is important for the plant's engineering ...

  • Metal Coating Emission Control

    The use of regenerative thermal oxidizers is expanding into applications where they wouldn’t have been considered years ago, says Mike Scholz As the first generation of oxidizer systems in the industry nears the end of their service life, many canmaking plants face repair or replacement of their existing air pollution control systems. Like many others in the industry, a Silgan canmaking ...

  • The benefits of monitoring compressed air

    Compressed air is used in many manufacturing processes for many different reasons, from the actuation and control of pneumatic valves and cylinders to the operation of process machinery and tooling. It can also be used as a transport medium for bulk materials or as a purge gas. For all its uses it is nonetheless expensive. This is why, through detailed monitoring, a business can enjoy the ...


    By Contrec Europe Limited

  • The benefits of monitoring compressed air

    Compressed air is used in many manufacturing processes for many different reasons, from the actuation and control of pneumatic valves and cylinders to the operation of process machinery and tooling. It can also be used as a transport medium for bulk materials or as a purge gas. For all its uses it is nonetheless expensive. This is why, through detailed monitoring, a business can enjoy the ...


    By Contrec Europe Limited

  • Basic operation of a Cycle Stop Valve

    Automatic pump control methods are described as a pump system that automatically delivers water when a tap is opened, and automatically stops the pump after all taps are closed. A variety of pump control methods have been used in the past. The Cycle Stop Valve replaces: Variable Frequency Drives (VFD’s) or “Constant Pressure Pumps”. Large pressure ...


    By Cycle Stop Valves, Inc.

  • The Evolution of Plug Flow BNR at Durham AWWTP

    ABSTRACTThis paper describes experiences with plug flow nitrification and plug flow biological nutrient removal (BNR) at Durham Advanced WWTP. The kinetic advantages of the plug flow configuration for nitrification have been recognized for some time; however, limited plug flow BNR process design information was available at the time (1997). The case study began with pilot testing in 1998, during ...

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