Fluid pressure

Full Title

Type of actuator operation force > Fluid pressure

Child Classifications

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• F16D 2121/04 acting on a piston-type actuator, e.g. for liquid pressure
• F16D 2121/08 acting on a membrane-type actuator, e.g. for gas pressure
• F16D 2121/12 for releasing a normally applied brake, the type of actuator being irrelevant or not provided for in groups F16D2121/04 - F16D2121/10