Hakuteksti "fluid".

The particle size of the contamination in a hydraulic fluid is spread over a wide area. In view of this fact, contamination classes have been created that set out the contamination in SAE-ASTM-AIA and [...] contamination classes also form the basis for the determination of the degree of purity of the hydraulic fluid after the filter .

rate that a pump delivers. The term delivery flow should as far as possible no longer be used in fluid technology, instead flow rate should be used.

In hydraulic fluid removal of the air carried and separated out. This must take place at the highest point with the aid of bleed screws or bleed valves.

Compressed air filters that can retain particles of dirt down to 0.01 μm. This includes fluid particles of this size (e.g. aerosols), and also bacteria and viruses.

Resistance which a fluid flowing inside pipes or similar bodies must overcome. It is higher for laminar flow than for turbulent flow: where A S = flow cross section.

losses due to fluid friction are generally no longer negligible. The flow rate through the nozzle is, as on orifices, defined with the aid of Bernoulli's equation. The loses due to fluid friction and the

mostly a rectangular cross-section that is fastened to the shaft and to which a flow of hydraulic fluid is applied.

Fire-resistant hydraulic fluid based on esters of phosphates. It belongs to the group known as HFD fluids ; its fire resistance is can be explained by its molecular structure.

Fluid level height above an inlet or outlet opening. In the case of a negative inlet height, the suction pressure for pumps is lower than the ambient pressure (Figure Z 8).

In order for the hydraulic fluid to deliver sufficient lubricating effect in plain bearings and under seals , it must have sufficient wetting ability. This is generally the case with HLPD oils .