该系列是一种大输出力、高性能的气动活塞式执行机构，分为双动作型和单动作型两种。与角行程调节阀组合使用，可用于调节和开关的场合。该系列也可用于其它回转运动的场合。

This Series provides double-acting and spring return pneumatic cylinder actuators characterized by large output and high-performance. Combined with rotary stem motion type control valves, the actuators of this Series are suited for modulating and on-off services. Uses with other rotary motion devices are also good.