Rotork actuators used on Brazilian FPSO vessel

The actuators will be operated by Modec to accurately control the flow of oil and gas from the FPSO to the metering system. Rotork Site Services assisted with the installation of the actuators on site by providing valve adaptation, mounting the actuators on to the valves and commissioning.

Rotork’s modular CP range of pneumatic actuators use a scotch yoke design available in both spring-return and double-acting configurations. The actuator’s compact and efficient design is capable of producing high output lb-ft of up to 39 800 lb-ft, even at low pressures.

The GP range of scotch yoke actuators provide quarter-turn movement for either on/off or modulating duty and can produce output lb-fy up to 5 million lb-ft.

Rotork’s IQ3 electric actuators can be used for isolation or regulating duties of up to 60 starts per hour, with a direct lb-ft output range from 10 lb-ft) to 2200 lb-ft). The actuator features advanced data logger technology to record detailed information including valve torque profiles, operational starts profiles, vibration and temperature trend logs, and event logs. All data, which can be viewed on a dual-stacked advanced display, can be securely transferred to a PC for analysis using Rotork’s software.

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