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The most important parameters for the effectiveness of filters are: Alpha value of filters , Beta value (β value) , Filter cumulative efficiency , (degree of retention), Dirt holding capacity of a fil

The required filter size is based on the permissible flow resistance of the oil filter at the nominal flow rate. The selection of the filter size is affected by: The selected filtration grade , The fl

In principle, filtering should as be fine as necessary, not as fine as possible. In general the filtration grade is defined by the manufacturer of the related device. These days this information is so

Pumps with a finite number of displacement units (pistons, vanes, teeth) deliver a flow rate that fluctuates around an average value due to the periodic change between the suction and pressure phase.

Aid used to clarify, prior to the definition of a control or preparing a computer program, the logical sequence of the solution by defining graphically the order in which detailed tasks are to be unde

Area of drive technology that uses the conversion, control, feedback control and transmission of energy by means of a fluid or gaseous hydraulic fluid to solve drive tasks.

Collective term for fluid and gaseous media. Here fluids is above all a common term for hydraulic fluids and compressed air.

Sound that propagates in a fluid medium. It can have been, but has not necessarily been generated in the fluid. The propagation velocity for mineral oil in steel pipes is approx. 1,300 m/s.

Friction in a hydrodynamic or hydrostatic load bearing, liquid or gaseous, continuous layer. In the hydrodynamic load-bearing layer, the pressure in the layer is produced by the movement of the bodies

Pressure gauge that operates based on the principle of the comparison of a pressure with the barometric pressure of a column of fluid (Figure F 23) . They are only suitable for measuring low pressures