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

  • Wireless valve control – a ‘perfect fit’ for tank farm automation

    During construction, MMLP decided to upgrade and introduce the capability to handle a second product. This necessitated the requirement of isolating the tanks to avoid cross-contamination. To achieve this, MMLP chose Rotork’s electric valve actuation system under centralised control. The Rotork system incorporates all appropriate interlocks which safeguard the integrity of the terminal ...


    By Rotork plc

  • Rotork valve automation at solar power plants - Case Study

    Overview Spain is now the world's largest generator of electricity from solar power plants. Spanish solar energy plants utilise parabolic trough technology combined with a thermal storage system using molten salt batteries to maximise their power generating capacity. The parabolic trough is constructed as a long parabolic mirror with a Dewar tube running its length at the focal point. ...


    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.

  • 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

  • City of Sheridan retrofits control valve with automation for water efficiency - Case Study

    Their Challenge  The City of Sheridan, Wyoming needed more control over their water storage tanks and an increase in system redundancy.  Our Solution  By repurposing an existing Singer® pressure reducing valve, the city leveraged gravity flow from an upstream treatment plant to fill a water storage ...


    By Singer Valve Inc.

  • Wireless valve control – a “perfect fit” for tank farm automation - Case Study

    Overview Martin Midstream Partners L.P. (MMLP) is a publicly traded limited partnership with primary business lines focused on terminalling, storage, processing and packaging services for petroleum products and byproducts encompassing natural gas liquids storage, marketing and distribution services and natural gas storage, sulphur and sulphur-based products processing, manufacturing, ...


    By Rotork plc

  • 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

  • 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

  • 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

  • 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

  • Fascinating Features of Sanitary Check Valves

    Sanitary check valves are mainly used to prevent t ...


    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

  • 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.

  • 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

  • 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.

  • 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

  • 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

  • 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

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