The AUMA SA multi-turn actuator for continuous underwater use opens new applications for electric actuators: for water supply, in hydropower plants, in civil engineering constructions for water applications, and for specific underwater applications. Where both water supply and sewer pipes are underground, actuators and valves are often installed in pits below ground level. Where high water levels are a permanent risk, actuators designed for underwater use will operate reliably even if flooding persists.
A universal sealing system combined with comprehensive corrosion protection qualifies these actuators for underwater use. Double-sealed cable glands at the electrical connection, inner seals – some in pairs – on all housing covers, and a one-piece solid shaft prevent the ingress of water.
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