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Difference between the ideal and actual rotation speed of a hydraulic motor under given conditions. Motor slip is caused by the internal leakage of the motor, which depends on the pressure .

The displacement volume taken on by a hydraulic motor during a revolution ( set geometric displacement ). It may be constant or variable, depending on the motor construction type.

Flow rate coming from the pump, which a hydraulic motor takes on, depending on its displacement volume (geometric displacement). It is calculated as the product of the displacement and the rotation sp

Proximity switch

Pumps in which the flow rate is controlled by a slit in fixed spigots ( radial piston pumps ) or axial ( axial piston pumps ) or radial ( vane pumps ) in control discs. In principle, they are also sui

Valve as an additional backup for the closing movement of a hydraulic cylinder , e.g. for pressing or injection moulding machines. The valve is operated by the movable protective grid of the machine i

Valve which is open when at rest and is closed by actuation for the flow rate. Opposite: Normally closed (NC) valve .

Response pressure to close a device under defined conditions (DIN 24 312).

Freely moving indicator on a pressure gauge , which has the task of displaying the maximum pressure incurred in a system. The drag indicator can be reset using a control knob.

Accumulators, which are increasingly used in hydraulics in the form of hydraulic accumulators , are considered dangerous systems due to the high (gas pressures) that occur inside them and require spec