They are really specifically made for fast Procedure of gate valve, world valve, damper together with other linear style valves. ทาง สมหวังทรัพย์ เอ็นจิเนียริ่ง เรามี หัวขับลม Electromechanical rotary actuator patterns to maneuver weights in angular units with particularly high positioning accuracy and reproducibility. All rotary actuators let rotation nearly 360 levels, https://pakoengineering.com/pneumatic-actuator-feature/