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A special case of specific impedance is characteristic acoustic impedance Z 0, which is designated as the wave resistance of the medium. Z 0 is the quotient of the sound pressure and the sound particl

Valve which blocks the flow rate in one direction and allows it in the opposite direction. They are used to block the hydraulic load lines for directional valves suffering from leaking oil or as hydra

Centre position

Entirety of the static and dynamic properties of a final controlling device in physical/technical terms and in terms of transmission (DIN 19 237).

Range within which the correcting variable can be adjusted (DIN 19 226).

Used to directly influence a subsystem ( controlled subsystem , control subsystem). It adjusts the as long as it is mechanically actuated (DIN 19 226). Example: Electric motor, solenoid, hydraulic set

The spring effect of the compressed oil column is decisive for the stiffness of actuators. The dimensions of the actuator also play a role. In the case of a hydraulic motor with a high response propor

Connection for hoses in accordance with DIN 20 043, which is quick to fit without the use of tools and can be detached.

Circuit board , which contains a multiple plug, which groups all outward-leading connections of the various functions.

Control electronics that are integrated into a larger magnetic plug with a configuration in accordance with DIN 43650. Control electronics integrated in a magnetic plug for proportional valves . The e