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September 1, 2012

Improvements make these actuators lighter and more compact

This company has redesigned its GO Range of gas-over-oil pipeline valve actuators to provide longer service in automating heavy-duty valve applications, such as those found in the gathering, transmission, compression and storage of natural gas. Requiring minimal maintenance, the valves have undergone changes including a more streamlined manufacturing process and various product improvements. The result is a lighter and more compact product with a modular construction that reduces the number of components. The actuators use pressurized oil as the driving force to provide smooth actuator control and isolate the cylinder from the pipeline gas. This prevents contaminants from entering the hydraulic cylinder, and eliminates corrosion and seal deterioration. — Rotork Controls, Rochester, N.Y.

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