Seabed processing systems and solutions

Alpha Thames Subsea

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FLOAct™ - Choke Valve Actuator





FLOAct™ is a pressure-balanced, subsea, electric, linear actuator that is unique in that it is the first subsea electric actuator available with the performance required for the actuation of choke valves.




FLOAct™ will operate any linear valve precisely with sufficient thrust for any application, making it suitable for choke valve duties and valves requiring tight shut-off. The actuator has a high degree of positional accuracy and repeatability. It also provides accurate valve position feedback, which allows valve wear rate to be reliably monitored.

FLOAct™ is a two-part design utilising a minimum number of components; it comprises an oil-filled, pressure-balanced, electro-mechanical actuator and an electronic drive package that may be housed in the benign environment of a local subsea control module (SCM). The two-part design was developed after investigation into high-reliability components used in the aerospace industry.

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