Rotork assists BAE Systems in naval base actuator upgrades

Rotork has been working with BAE Systems to improve a series of A-range actuators to IQ3 actuators which function penstocks controlling motion of ships between the sea and transitional locks and dry docks at Her Majesty’s Naval Base Portsmouth (HMNB Portsmouth).
While they last of A-range actuators had reached the tip of their operational life after lengthy service in a difficult setting. BAE Systems wished to retain all the benefits of electrical actuators, so IQ3 actuators were chosen. These had to be specifically adapted by Rotork to overcome problems around confined areas and troublesome entry.
Before and IS gearboxes had been mechanically adapted in order that both actuator and gearbox could be manually operated without coming into the confined area. Rotork designed particular hand auto levers and thru drive mechanisms for the actuator and gearbox to remove the need for confined house access.
Actuators inside the IQ range are watertight, offering ingress safety to IP66/68 at 20 m for 10 days. They have a complicated dual stacked show with configurable information logger performance, and an absolute place sensor offers reliability and accuracy.

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