| 摘要 |
A device run by pressurized material, producing rotation or linear movement, which device consists of control valves for controlling the device are built in the body of the device. Control valves are functioning controlled by pressurized material pilot gas or liquid, electromagnetic force and force of spring or pressure is making the valve to return to its original position. The valve is constructed about cylindrical valve part (12), ring-shaped washers (9, 10) and possibly spring (11) and has that kind of shape, that rod (4) of device or rotating shaft (24) are able to function surrounded by cylindrical valve part (12).
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