automated valve operator Articles

  • 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

  • Rotork valve actuators at hub of automated flood alleviation scheme - Case Study

    Overview An extended scope contract performed by Rotork Site Services has successfully delivered full automation of a flood alleviation scheme protecting the historic town of Cardigan in West Wales. The project involved replacing unreliable actuators from another manufacturer, installing a PLC control cabinet and interfacing with the existing river level sensor and telemetry system. ...


    By Rotork plc

  • Abha water utility comes out on top with automated control valves

    Abha is a small modern city in the fertile mountains of southwestern SAUDI ARABIA. Its cool summers make it a popular destination for tourists, but in general the population hovers around 250,000. The city has a new reservoir on top of a hill that releases water through 6 km of piping down to its main Noaman reservoir. The top tank is 100 meters higher than the lower tank. This makes for a great ...


    By Singer Valve Inc.

  • Weigh batching: the benefits of an automated system

    In many plants that batch-blend bulk products, weigh batching is a manual, time-consuming operation in which ingredients are weighed individually before being charged to a blender or other process vessel. A significant number of such plants could benefit from the installation of an automated weigh batching system. For small as well as large operations, an automated weigh batching system can pay ...


    By Flexicon Corporation

  • 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

  • The Retrofit route to large-scale refinery automation - Case Study

    Overview A major petrochemical modernisation programme in Turkey includes a retrofit project that will deliver automated actuation and control for over 900 valves at a refinery’s tank farms. Tupras is Turkey’s largest industrial company and leading refiner, operating four refineries of which the Izmit Refinery, in Kocael Province by the Sea of Marmara, is the largest. First ...


    By Rotork plc

  • 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

  • Advantages of Sanitary Valves with Electric Appliances

    The sanitary valve with electrical device refers to the sanitary valve driven by an electric motor to manipulate. The valve driven by an electrical device has the following advantages: 1. It can significantly reduce the time to open and close the valve. 2. It can greatly ...


    By Adamant Valves

  • Why Sanitary Diaphragm Valves Are Ideal

    The name diaphragm is derived from a flexible disc that comes into contact with a seat at the top of the valve to form a seal. Diaphragm valves are some of the most common valves on the market ...


    By Adamant Valves

  • Ecopark 4, Spain, trusts AUTOSORT for the efficient automation of its separation processes - Case Study

    Ecopark 4 in Hostalets de Pierola (Barcelona), part of the infrastructure of the Barcelona Metropolitan Area (AMB), uses ten of TOMRA Sorting Recycling's AUTOSORT optical separators, which currently recover 90% of sortable material. This fully automated plant has three treatment streams which process around 300,000 tons annually. Ecopark 4, located in Hostalets de Pierola (Barcelona), is a ...


    By TOMRA Sorting GmbH.

  • Choosing DC valve actuators with the lowest energy consumption

    Around the world there is a growing need for automated valve control in remote locations where mains electrical power is not available. For example, effective water management demands efficient and responsive flow control for applications such as groundwater remediation, irrigation and flood prevention. With perceived climate changes introducing more extremes of rainfall or drought conditions, ...


    By Rotork plc

  • Divers install eccentric plug valve in reservoir tunnel

    A team of specialist divers – working in a cramped, water-filled tunnel 20 metres beneath the surface of a reservoir – has just completed installation of an eccentric plug valve to control water flow.The valve and associated equipment has been supplied to United Utilities by Viking Johnson (http://www.vikingjohnson.com), a world leader in the supply of pipe joints ...


    By Viking Johnson

  • Why You Should Use Sanitary Ball Valves

    Sanitary ball valves are used in a wide range of applications involving high pressure. These valves are popular for two main reasons. First, they allow unrestricted total flow that does not allow any hardware restriction through the valve. Second, the valve can also be serviced without the complete ...


    By Adamant Valves

  • Future standards and their effect on solenoid valve technology

    Untitled Document Valves have made remarkable progress over the last three decades. Manual shutoff has given way to automated shutdown systems. In-line mounted valves have lost their ...


    By Baum Publications Ltd.

  • Pipeline valve actuators for safety-related duties

    Sectors: Oil & Gas Category: Failsafe Valve Actuation Products: HPG, GO, Electro-Hydraulic (SI) Introduction Pipelines present a number of operational requirements demanding specialised actuation solutions. These include actuation of valves in remote areas, where mains power sources are not ...


    By Rotork plc

  • Valve actuation and control in the modern refinery - Case Study

    Introduction The Reliance refinery at Jamnagar in India is one of the largest single refinery sites in the world and virtually all of its valves are motorised with Rotork actuators. Almost 3000 Rotork IQ intelligent valve actuators were installed during the construction of the original refinery, tank farm and power station in the late 1990s, together with a Rotork Pakscan 2E two-wire ...


    By Rotork plc

  • 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.

  • Valve actuation at the world’s largest flow metering calibration facility - Case Study

    Currently nearing completion, EuroLoop will be the world’s largest test site for industrial flow meters. Two separate circuits are available, for testing both gas meters and liquid meters. Both circuits are fully automated, making extensive use of electric and pneumatic actuators with sophisticated control systems. Situated by the New Meuse River in Rotterdam, EuroLoop will be the ...


    By Rotork plc

  • Fuel terminal upgrade installs advanced valve actuation and control - Case Study

    Sector: Oil & Gas Category: Control Networks, Electric Actuators, Fluid Power Actuators, Services Products: CP, Extended Scope, Field Service, IQ3 Range, Pakscan Overview Independent tank storage provider Vopak is increasing and enhancing fuel capacity at the Vopak Terminal Durban in South ...


    By Rotork plc

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