Rotork CMA electric control valve actuators provide an efficient and reliable process control solution that enables remote shale gas installations to operate in compliance with new U.S. government environmental legislation related to venting and greenhouse gas emissions. In the past, spring diaphragm actuators powered by the produced gas have been used, but now the Environmental Protection Agency mandates the lowering of fugitive emissions caused by bleed gas. Because many shale wells and flow lines are unmanned and located in remote areas, they are difficult and expensive to monitor. Therefore, new actuator technology provides an ideal solution to automate valves at remote wells such as these. For example, a shale gas company in Louisiana was looking for an affordable and efficient low power solution that could be run by solar panels to replace existing actuation equipment and control a variety of fluids at line pressures up to 413 bar (6,000 psig).
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