Bettis Gas Hydraulic Scotch Yoke Valve Actuators, ideal for automating valves on high-pressure natural gas pipelines in remote areas without pneumatic or hydraulic lines. Designed for extreme climates, these actuators offer zero leak pistons and rod seals, with material options to match specific needs. They provide diverse control systems, including remote and high/low shutoff, backed by a five-year warranty. These actuators convert linear to rotary motion, offering breakaway torques up to 6,000,000 lbs-in, with light aluminium, iron, or steel cases.