Auma offers a sensor system for signalling valve end positions which can be mounted to the company’s
GS .3 part-turn gearboxes. The solution allows plant operators to monitor the position of manually operated valves, and hence to collect crucial valve position information from all the valves in their plants. It can also be used in combination with electric valve actuators when redundant valve end position feedback is required. It uses inductive sensor elements which ensure contactless monitoring of the end position for 90° part-turn valves. In contrast to mechanical limit switches, the electronic sensor system is wear-free and not subject to corrosion. GS .3 gearboxes can be ordered with the integral sensor system. The system can also be easily retrofitted to existing GS .3 gearboxes in the field. It is available in two versions: a cost-efficient basic version and a fully-sealed premium version with aluminium housing offering IP 69K protection. Both versions are also available with Atex approval.
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