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中国•志泰科技
CHINA • ZHITAI TECHNOLOGY
Three- Position Pneumatic Actuator
Three- Position Pneumatic Actuator
The three-position pneumatic actuator has two models 0° -45° -90° and 0 -90° -180º. The piston will move toward both ends after the air enters from the gas port (2); for the actuator that is fixed with auxiliary pistons for reach the middle position by mechanical limit, you can adjust the middle angle simply using the external adjust丨ngbofts at both ends, such as 20° .30°, 50° and 75° as well as 95° ,120°,130° , 150°and 175° etc.
Operating Principle
The operation of the three-position pneumatic actuator is realized based on a set of solenoid-controlled circuit systemr with its controlling principle as follows:

