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Roof-shaped, low height seal shape of which several, often with different materials, are assembled to form roof-shaped seal sets (Figure D 1) . In principle a differentiation is made between two forms

Parameters for the behaviour of elastomer materials in different hydraulic fluids that can range from shrinkage, through slight swelling, to complete dissolution of the elastomer. If the DVI of the in

Control concept, which includes all state variables which influence the system's behaviour in the (e.g. positions, pressures, velocity, acceleration, amongst others). For example, for a closed loop po

Temperature, at which a liquid can no longer flow under the effect of its own mass when cooled down under defined conditions. In the course of adapting to international standards, the setting point wa

Process with the aim of triggering a certain movement (function) by actuating individual valves or controls .

Hydraulic cylinder mass-produced in accordance with the relevant standards. These are the nominal pressures as per ISO 3322, diameter of cylinder bores and piston rods as per DIN ISO 3320, surface rat

The kinematic viscosity indicates whether a hydraulic fluid is thin or viscous at a certain temperature, and therefore whether the friction between the fluid layers is lower or higher. This also has a

Contamination class

Characterises the operating states to be expected as well as the behaviour of the machine affected (system, device) as a reaction to these states.

Pressure at which a device or an installation is switched off (DIN 24 312).