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Filter that is built into the high-pressure line, i.e. after the pump. It is an advantage that only the pump delivery flow must pass through it and that the following components are protected (Figure

Natural frequency is the natural frequency of a second order delay element designed to be damping-free, If a system capable of oscillation such as a spring-mass system is prompted to oscillate as a re

Fluids have the characteristic of dissolving certain amounts of gases. In mineral oil this ability increases linearly with pressure up to approx. 300 bar. Dalton's law states: V G = dissolved gas volu

Every machine or even every cylinder , provided its movements overlap with others, has a dedicated pump with a size based on the highest load speed v k required (Figure E 13) . This means that high sp

As the flow losses are determined in pipelines using the square of the flow velocity, certain velocity values should not be exceeded. These are tiered according to the pressure in the system and the p

Noises created when switching and flowing through valves . As opposed to the switching and oscillation noises, the flow noises are the main sources of noise in valves. Oscillation noises primarily ari

Aromatic or paraffinic hydrocarbons in which certain hydrogen atoms are replaced with chlorine. Low flammability is achieved here by means of chlorine (CETOP RP 100). Certain chlorinated hydrocarbons

Time that a variable pump requires to adjust from zero to max. delivery flow (regulated). It depends on the adjustment mechanism, the pilot pressure and the adjustment travel, and also on the mass tha

Time from the "on" switching command to the "off" switching command. Of a solenoid : ratio of the switch-on time to the duration of a working cycle in %. The ratio of load to relief time is termed the

Sealing performance of elastic seals that results from the preload during the installation of the seal. It corresponds to the sealing action of the related seal shape at very low pressure. The initial