Tag:actuator=hydraulic_cylinder
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 actuator = hydraulic_cylinder
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A hydraulic cylinder changes the state of a machine or device. 
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| Group: man made |
| Used on these elements |
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| Useful combination |
Status: approved
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| Tools for this tag |
A hydraulic cylinder is a linear mechanical actuator designed to deliver unidirectional force to a moving part of a system. It runs with a not compressible liquid fluid like oil instead of pneumatic cylinders (actuator=pneumatic_cylinder) which make use of compressed air.
This key was initially proposed to describe pipeline=valve but it is suitable for movable road bollards, automatic doors or any moving system also.