valve operator Articles

  • 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.

  • Rotary valve maintenance: preventing operating problems

    Preventing operating problems by maintaining your rotary airlock valve Even though a rotary airlock valve is a relatively simple device, you have to maintain it properly to ensure it performs dependably. Proper maintenance will provide twin long-term dividends: better valve performance and smooth conveying system operation. First, know your valve inside and out. Maintenance ...


    By Wm. W. Meyer & Sons, Inc.

  • Remote operated shut-off valves: Developments in electrically operated solutions

    Led by COMAH (Competent Authority/Industry Standards Task Group), safeguards are being put in place by the petroleum industry to give additional safety and environmental protection to tank storage installations. A key feature of these safeguards is the installation of Remote Operated Shut-off Valves (ROSoV) with failsafe actuation as recommended by the Buncefield Standards Task ...


    By Rotork plc

  • Preventing operating problems by maintaining your rotary airlock valve

    Even though a rotary airlock valve is a relatively simple device, you have to maintain it properly to ensure it performs dependably. Proper maintenance will provide twin long-term dividends: better valve performance and smooth conveying system operation. First, know your valve inside and out. Maintenance workers should read the manufacturer's operating manual. This will help them understand the ...


    By Wm. W. Meyer & Sons, Inc.

  • Tank terminal demonstrates the electrically operated solution for ESD Valves - case study

    Overview Since the disastrous fire at the Buncefield fuel depot in 2005, much has been done to ensure that such a catastrophic accident should not happen again. Led by COMAH (Competent Authority/Industry Standards Task Group), safeguards have been put in place by the petroleum industry to provide additional safety and environmental protection to tank storage installations. Endorsing the ...


    By Rotork plc

  • Electro-hydraulic actuation delivers the solution for remote operated shut-off valves

    An extensive review of safety measures recommended by the MB Lal Committee in India, following an accidental fire at the IOCL Jaipur Terminal, has resulted in the introduction of electro-hydraulic failsafe actuators for critical tank farm Emergency Shutdown (ESD) applications. These valves, known as ROSOV (Remote Operated Shut-off Valves), now provide tank overfill protection at the majority of ...


    By Rotork plc

  • Tideflex Valves vs Flap Valves

    MeasurIT are increasingly called upon by end users to provide Tideflex valves to replace faulty flap valves (see case studies here and  ...


    By MeasurIT Technologies Ltd.

  • Taking the Mystery out of Cavitation White Paper. Pilot-Operated Automatic Control Valves

    Cavitation can be an extremely damaging force as related to the application of pilot-operated automatic control valves. The consequences of cavitation are numerous and can include: loud noise, extreme vibrations, choked flow, destruction or erosion of control valves and their components resulting in disruption of water distribution or plant shutdown. This article deal with cavitation solutions as ...


    By Singer Valve Inc.

  • EasiDrive Provides Safe, Economical Valve Operation, Ideal for Use in Oil & Gas Processing Industries

      The EasiDrive portable valve actuator securely and effectively operates valves in oil refineries, power plants, paper mills and chemical processing facilities, even where adverse climates, such as arid and dry-desert environments, make operations more challenging.  The combination of intense heat and a dry climate can make ...

  • Valuing Global Valves

    Control valve solves flow control & pressure challenges Donnacona, Quebec, Canada, is an industrial town just west of Quebec City. The town’s water treatment plant was built in 1969 and has since undergone three major retrofits: new high-pressure pumps and an electrical upgrade in 1995; a filter bottoms change in 2000; and a river water intake upgrade in 2005. The plant includes ...


    By Singer Valve Inc.

  • 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.

  • What You Need to Know about Electronic Automation of Hydraulically-operated, Diaphragm-actuated Control Valves

    Hydraulically controlled, diaphragm-actuated control valves are the mainstay of the waterworks industry to control pressure, flow, level, pump control, and at times to meter. These automatic control valves are controlled by pilots to do specific tasks and are mainly single-set-point systems. With the need to remotely actuate and control the valves and the applications becoming more complex, ...


    By IWA Publishing

  • Operator Strategies : Sorting Out the Plastic

    BETTER BUGS Ideas and products in the Better Bugs category attempt to affect the biological components and biochemistry of processes by altering the mix of microorganisms or enzymes present. After all, biology is the foundation of many, if not most, organics recycling systems. Pyrophiles: The first example of Better Bugs involves pyrophilic organisms, bugs that can take the heat. This example is ...


    By BioCycle Magazine

  • Safety Valve / Change-Over Valve Combination ( Refrigerant Applications)

    The Seetru range of Safety Valves for refrigeration applications are designed to meet the needs of the refrigeration industry, offering safety valve technology for compressor manufacturers, industrial refrigeration, commercial refrigeration, ice making systems and air conditioning.  Used if a plant shutdown is impossible or undesirable, change-over ...


    By Seetru Limited

  • Coker Valve Monitoring in a Refinery

    Measurement & Control Solution for Manufacturer of Valve Systems CAS DataLoggers provided the measurement and control solution for a large manufacturer of valve systems used in many different industries. The company produces ball, needle, choke, control, gate, and other types of valve systems with many different diameters. One of its customers was a refinery using a custom 3-way switching ...


    By CAS DataLoggers

  • Features of Sanitary Butterfly Valves

    The disc and the sanitary butterfly valve body can be in spheroidal cast iron or in steel. At this valve, when it is in the open position, small localized losses of pressure occur, while strong turbulence and vibrations are created in case of partial closure. Therefore, it is not very suitable for regulation. The maneuvers of the small diameter butterfly valves can be done ...


    By Adamant Valves

  • Configurations of Sanitary Ball Valves

    Sanitary ball valves are designed to control the transmission of the product. They are mainly used in the pharmaceutical, food, and beverage ...


    By Adamant Valves

  • An Introduction to Ventilation Butterfly Valve

    Overview: Ventilation butterfly valve is used in chemical industry, building materials, power plants, glass and other industries in the ventilation, environmental engineering dust or hot air gas pipeline. It acts as a gas medium to regulate and control the flow or shut-off in the pipes. ...


    By Adamant Valves

  • Rotork in Germany strengthens worldwide manufacturing and operations

    Since it was first founded in England in 1957, Rotork has flourished to become an established leader in actuation technology with a global network of manufacturing plants and sales offices. That growth has come both organically as well as through the acquisition of companies with complementary products and markets. In Germany, for example, the successful integration of the former company PC ...


    By Rotork plc

  • Sanitary Valves and Their Main Utilities

    Valves are commonly used throughout our daily lives. They are used to make our lives more convenient and comfortable at home, at the office, and in the industry. There is a wide range of valves available ...


    By Adamant Valves

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