... straight way type 直流式 penumatic piston 气动活塞式 pnematic film type diapgragm 气动薄膜式 ...
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气动活塞式执行机构可分为单作用和双作用两种。
Pneumatic piston actuators can be divided into single and double acting two.
它由气动活塞式执行机构和O型球阀组成，阀芯采用圆柱形通孔球体。
It consists of pneumatic piston actuator and the composition of O-type ball valve, valve core sphere using cylindrical hole.
气动执行机构采用活塞式气缸及曲臂转换结构，输出力矩大，体积精小。
The use of pneumatic actuator cylinder piston and crank conversion structure, output torque, small size fine.
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