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Also in 2015 Rotork acquired Servo Moteurs Service, an actuator service business located in the South of France, as an important step forward in the development of Rotork's direct service offering to its customers [22] and Roto Hammer, a manufacturer of custom-designed chain wheel manual valve operators based in Tulsa, Oklahoma, USA. [22]
He founded Rotork Engineering Company in 1957 after identifying the potential of valve actuators. As chairman, he oversaw Rotork's rise to becoming the market leader in equipment for use in oil and gas pipelines, refineries, power stations and waste water plants, and a member of the FTSE 250 Index .
The blue valve body is visible in-line with the pipe. The valve actuator opens or closes the butterfly disc of the valve based on electrical signals sent to the actuator. Another valve actuator is visible in the background, with windows to indicate the valve position. A valve actuator is the mechanism for opening and closing a valve. Manually ...
Electric rotary valve actuator controlling a butterfly valve. A rotary actuator is an actuator that produces a rotary motion or torque. The simplest actuator is purely mechanical, where linear motion in one direction gives rise to rotation. The most common actuators are electrically powered; others may be powered pneumatically or hydraulically ...
An actuator is a component of a machine that produces force, torque, or displacement, when an electrical, pneumatic or hydraulic input is supplied to it in a system (called an actuating system). The effect is usually produced in a controlled way. [1] An actuator translates such an input signal into the required form of mechanical energy.
Rotork plc — is a manufacturer of industrial flow control equipment including valve actuators, gearboxes, control systems, instrumentation, and accessories. It is headquartered in Bath, Somerset. It was founded in the 1940s.
Rotork Controls Ltd of Bath for Rotork IQ electric valve actuator. Segnet Ltd of Wickford, Essex for RPM-S RF upstream cross-connect segmentation router for broadband multimedia services. Silberline Ltd of Leven, Fife, Scotland for 'Silvet' metal pigment in novel granular form management.
This setup is most commonly used in control valve actuators in high-pressure oil and gas pipelines. Although not a common metalworking machine nowadays, crude shapers can use Scotch yokes. Almost all those use a Whitworth linkage, which gives a slow speed forward cutting stroke and a faster return.