valve actuator News

  • Compact actuators for LNG cryogenic valves

    The use of LNG (Liquefied Natural Gas) as a cheaper and less polluting alternative to diesel for generators providing the power to remote sites is becoming increasingly widespread. With many thousands of sites throughout the world, oil and gas drilling industry companies are among the operators who have introduced the technique, which involves the use of specialised trailer-based plant to ...


    By Rotork plc

  • Nuclear valve actuator maintenance programme explained

    Since the 1960s Rotork Hiller has been a key supplier of safety-related actuators for the nuclear power industry, with a focus on Main Steam Isolation Valve (MSIV) and Main Feedwater Isolation Valve (MFIV) applications. During this time Hiller’s maintenance programme has been developed, refined and successfully utilised by many commercial nuclear power plant operators. Major benefits ...


    By Rotork plc

  • CVA electric actuation for larger control valves

    The new CVL-5000 actuator extends the scope of Rotork Process Controls’ innovative CVA electric control valve actuator range to enable the automation of larger valves and valves with higher pressure ratings. Providing a maximum rated thrust of 5000lbsf (22241Nm) and a linear stroke length of up to 4.5 inches (115mm), the CVL-5000 retains all the features and benefits of the ...


    By Rotork plc

  • Manually energised solution for failsafe valve actuators

    Rotork has introduced an innovative range of manually energised spring-return actuators to provide an economical solution for failsafe valves that are infrequently operated. The Rotork ManPower range greatly reduces installation time and expense since no external electrical, hydraulic or pneumatic power supply is required. Suitable for a wide range of ball, butterfly and plug valves, the ...


    By Rotork plc

  • Corrosion resistance essential for Spanish WWTP valve actuators

    One of the main considerations concerning the valve actuators at the Bens WWTP (Waste Water Treatment Plant) in Coruña, Spain, was its close proximity to the Atlantic coast and the resulting saline atmosphere in the area.  It is well known that this environment is highly corrosive to exposed electrical equipment and can be a major cause of unreliability and breakdowns. Rotork was able ...


    By Rotork plc

  • Rotork valve actuators at the Olympic Park Energy Centre

    Rotork intelligent electric valve actuators have been installed at the London Olympic Park Energy Centre, a combined cooling, heating and power plant incorporating a biomass boiler fuelled by sustainable wood pulp and natural gas. Rotork IQT and IQTM direct drive quarter-turn actuators are operating isolating and modulating butterfly valves in plant that will provide ...


    By Rotork plc

  • Customised valve actuation – when standard products are not the answer

    The overriding majority of valve actuation applications in today’s industries are fulfilled with standard products. In some cases an actuator may need to be modified to suit specific operating requirements, but here again a solution based on a standard product can usually be found. There are occasions, however, when the physical and operational demands of an application rule out anything ...


    By Rotork plc

  • Compact low power electric actuator for choke valves

    In the latest development of its successful range of CMA electric control valve actuators, Rotork has introduced a new version specifically designed for the demands of choke valve operation. Built with extensive industry experience, the CMR-250/GB3 actuator meets exacting requirements for low power, high torque modulating control in a compact package for applications including severe service ...


    By Rotork plc

  • Nuclear power contract for Rotork intelligent valve actuators

    Rotork has been awarded a major contract for the supply of electric valve actuators for the Hong Yan River and Ningde Nuclear Power Station project in China. More than 1200 Rotork IQPro intelligent electric valve actuators have been ordered for Phase 1 of the new power station complex, which will deliver a designed generating capacity of 16000MW when all phases are completed. The Rotork actuators ...


    By Rotork plc

  • Rotork valve actuators at hub of automated flood alleviation scheme

    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 ...


    By Rotork plc

  • Croatian water treatment plant chooses Rotork valve actuators

    Rotork RC200 series pneumatic actuators have been installed for valve control and operation in a new water treatment plant at the Sisak Power Plant, south of Zagreb in Croatia. The Croatian national power company Hrvatska Elektroprivreda (HEP) has invested Euro 4 million in the new plant, which filters and demineralises water from the nearby River Sava before it is used for steam generation and ...


    By Rotork plc

  • Rotork control valve actuation passes the glass making test

    Following extensive testing, leading glass container manufacturers are specifying the Rotork CMA electric actuator for a critical valve control function in the glass making process. The valves are used to control the temperature and pressure in the furnaces by regulating the air and gas mixture with extreme precision. Maintaining a constant temperature and pressure is essential for energy ...


    By Rotork plc

  • CVA electric control valve actuators in refinery automation project

    Rotork’s latest electric control valve actuation technology has been selected for the automation of metering pumps in Group 2C hazardous areas in an automation project at an oil refinery in India Sixteen CVA (model number CVL500) linear actuators with IECEx international explosionproof certification have been ordered to control metering pump valve positions by means of a 4-20 ...


    By Rotork plc

  • Rotork valve actuators in ‘landmark’ waste water treatment project

    Rotork IQPro intelligent electric valve actuation technology will assist the operation of the largest and most advanced waste water treatment, water reuse and sludge treatment plant in the Middle East. Described as a ‘landmark’ project, the Doha North Sewage Treatment Works in Qatar has a peak waste water treatment design capacity of 439,000 cubic meters per day, ...


    By Rotork plc

  • Rotork CK valve actuators deliver intelligent modular solutions

    Built on the cornerstones of reliability and safety inherent in all Rotork products, the CK enhances the scope of Rotork flow control technology. The modular CK design provides flexibility and configurability, enabling quick selection from stock to meet customer specification with short lead times. The torque range facilitates reliable operation of valve types and sizes typically found in ...


    By Rotork plc

  • Rotork wins new valve actuation framework with South East Water

    Following formal pre-qualification and tender processes, Rotork UK has been awarded a new and exclusive valve actuator supply framework agreement with South East Water for a period of three years, with the option to extend to five years. South East Water serves a population of 2.1 million, supplying safe, high quality drinking water to 880,000 properties in Kent, Sussex, Surrey, Berkshire and ...


    By Rotork plc

  • IQ valve actuation upgrades assist Thames Water’s Beckton improvements

    Thames Water Beckton is one of Europe’s largest sewage treatment works, serving 3.5 million people in the area of east London.  A £190 million improvement project is underway at the site that will enable it to treat up to 60% more sewage and fully treat increased flows during heavy rainfall.  The result will improve the quality of the River Thames and also allow for a 10% ...


    By Rotork plc

  • United Utilities returns to Rotork for new valve actuation framework agreement

    Rotork is pleased to announce the award of the new framework agreement for the supply of valve actuators to United Utilities, the UK’s largest listed water company. Serving a population of seven million, United Utilities operates 184 reservoirs, more than 700 water and sewage treatment plants and 170,000 kilometres of pipework and sewers in an area bounded by the English Midlands, ...


    By Rotork plc

  • Scottish Water selects Rotork for new valve actuation framework contract

    Following a formal tender process, Scottish Water has awarded the framework agreement for new valve actuators to Rotork UK. The agreement appoints Rotork as the sole supplier of new actuators to Scottish Water and its business partners, valvemakers and appointed contractors for the AMP 6 cycle. The new framework complements an existing agreement that provides servicing and spares for the several ...


    By Rotork plc

  • Explosionproof CMA actuators deliver ‘Performance Plus’ process valve control

    Available in quarter-turn, rotary and linear versions, robust Rotork CMA actuators perform numerous process control valve, metering pump and damper applications. Single-phase or DC electrical power is all that is required for simplified installation and control valve actuation in safe or hazardous areas. Explosionproof certification to international standards is available. The latest ...


    By Rotork plc

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