Rotork's product offering of fluid power actuators encompasses GP, CP and RC200 / RCI200 ranges of scotch-yoke pneumatic actuators, GH (scotch yoke) and RH (rack and pinion) hydraulic actuators, the GO range of gas-over-oil actuators, the HPG range of high-pressure direct-gas actuators and the Skilmatic range of electro-hydraulic actuators.
The Remote Control range is a family of valve actuators and associated products of the former Remote Controls AB of Sweden. These outstanding products are now backed by the vast global sales and service network of Rotork. Details of the product range are available from the links below and the menu on the left.
The K-TORK Range of high-performance ‘true rotary’ vane actuators are used in critical applications commonly found in most process industries. Located in Dallas, Texas, USA, K-TORK products are supplied through the global network of Rotork offices and Rotork agents and K-TORK distributors in the USA.
The Type K Range offers rotary and linear pneumatic damper drives for utility power plants, refineries, powerhouse boilers, furnaces and process heaters that require precise combustion air and flue gas handling solutions. Type K damper drives have proven to increase boiler efficiency, reduce maintenance, lower fuel consumption and reduce harmful emissions.
CP range pneumatic actuators are a versatile, modular, scotch yoke design available in both double-acting and spring-return configurations. The compact and efficient design yields high torques even at low pressures. The design concepts found in Rotork's large, heavy-duty actuators has been applied to the CP range, which brings heavy-duty actuator qualities to small, quarter-turn actuators.
GP (pneumatic) and GH (hydraulic) range scotch yoke actuators are designed to provide a rotary, quarter-turn movement for either on/off or modulating duty. The rugged yet compact design is available with two different yoke designs. The classic symmetric yoke delivers peak torque at both ends of stroke. Alternatively, they can be supplied with canted torque arms designed to deliver peak torque at only one end of stroke. Use of canted arms can often reduce actuator size, weight and cost for valves with appropriate torque demand characteristics.
Rotork linear actuators offer the advantages of compact size, high performance and a simple but highly reliable design. They are ideal for operating on/off and control functions of both globe and wedge gate valves. Both spring-return and double-acting configurations are available with either pneumatic or hydraulic cylinders.
Rack and pinion actuators often offer the most economical solution for quarter-turn valves that have a fairly constant torque requirement throughout the stroke.
The gas-over-oil range of pipeline actuators are designed to use pipeline gas as the motive power source. They utilise our robust GH and RH quarter-turn prime movers and are field proven in installations around the world. Control configurations are available to meet virtually any operational requirements.
Rotork’s ELB (Electronic Line Break) is a robust self-contained electronic pipeline monitoring system designed for use in the gas & oil industry. It will continuously monitor pipeline pressure dynamics to provide early detection of pipeline breaks and initiate automatic valve actuator movement to an emergency position based upon user-defined parameters. The powerful and versatile system can also collect detailed operational data useful for optimising performance and enhancing pipeline safety.
The HPG range of pipeline actuators are designed to use pipeline gas as the motive power source. They utilise our robust scotch yoke mechanism field proven the world over in all types of fluid power applications.
The Skilmatic range of actuators offer a unique and reliable solution for electric failsafe and modulating control for both quarter-turn and linear valves and dampers. They combine the simplicity of electrical operation with the precision of hydraulic control and the reliability of mechanical spring return or accumulator fail-safe action.
As specialist manufacturers of electro-hydraulic actuation and control equipment we offer comprehensive, purpose designed, engineered and manufactured solutions for the operation of choke and control valves for onshore and offshore installations. The electro-hydraulic stepping actuator provides a cost effective alternative solution to the mechanical ratchet style mechanism occasionally used for the positioning control of choke valves.
We are well versed with supplying subsea product to meet the harsh conditions and stringent demands of subsea applications. The subsea product range encompasses actuator and gearbox designs for retrievable and non-retrievable applications. Our engineering group works closely with contractor and end-user engineers to meet specific project requirements.
The CQ range provides an innovative fully-concentric and balanced actuator design for quarter-turn valves. The design features a helical mechanism that transforms linear piston motion into quarter-turn valve stem rotation. CQ actuators provide a much higher torque output for a given footprint than scotch yoke designs typically utilised to operate many quarter-turn valve types. It is therefore ideally suited for installation in confined spaces. Further, Rotork’s unique helical pin design provides higher efficiency than a helical gear mechanism utilised by other valve actuator manufacturers.As standard, the CQ torque output profile, like that of a scotch yoke actuator, is engineered to parallel the torque demand profile typically found with popular quarter-turn valve types. The CQ design however is unique in that the torque profile can be custom engineered and manufactured to meet specific, non-standard valve torque requirements.In our experience, the CQ standard range of sizes is suitable for applications that require a pneumatically powered actuator with torque demand less than 150,000 Nm. However, we also engineer CQ actuators with greater output and/or hydraulic power. Please apply to Rotork for these applications.
The Rotork manPOWER range high-integrity failsafe valve operation without the need for any power supply. The self-contained system is suitable for workshop or mounting on a wide range of rotary and linear operated valves and It offers a cost-effective solution for actuator applications where operation is infrequent. Typical applications include emergency shutdown valves and over-or under-pressure protection at remote, unpowered locations.
Hydraulic power units (HPU’s) complement our extensive offering of rotary and linear actuators. We have over three decades of experience in their manufacture with units in service in a variety of plants and pipelines in locations spanning the globe. Although our HPU’s are primarily intended to power our hydraulic actuators they are of course suitable for other applications as well. And, in order to provide a complete range of options to best meet the requirements of any application, RFS also has the Skilmatic range of self-contained electro-hydraulic actuators.
The 4P/4H multi-turn actuators apply the reliable Planetary Torque Controls System (PTCS), fulfilling requirements in certain industries for actuators with a hydraulic or pneumatic supply in multi-turn applications with position and applied torque control.
The Valve Remote Control System (VRCS) is considered by the “International Convention for the Safety of the Life at Sea” (SOLAS) to be critical for the safety of passengers, crew and transported cargo on any type of ship, whether on commercial ships, cruise vessels, chemical carriers, LNG, LPG, and even FPSOs.
Rotork's product offering of fluid power actuators encompasses GP, CP and RC200 / RCI200 ranges of scotch-yoke pneumatic actuators, GH (scotch yoke) and RH (rack and pinion) hydraulic actuators, the GO range of gas-over-oil actuators, the HPG range of high-pressure direct-gas actuators and the Skilmatic range of electro-hydraulic actuators.
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