เวลาจะทำตรงข้ามก็ได้โดยสลับด้านของสปริง Travel adaptors can be equipped to support numerous stems. Namur valves right interface onto the actuator for Regulate and feed-back is usually attained by mounting a suitable limit switch box straight onto the ISO indicator area. Pace of rotation can be managed with precision applying inline or exhaust controllers. https://ricardomrctp.blogofchange.com/17679772/the-5-second-trick-for-pneumatic-actuator