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Method for making the functional - and often complex - relationships involved in the operation of hydraulic devices visible by means of schematics (circuit diagrams) in which the various processes are

Takes into account along with the compressibility of the pressure fluid also the elasticity of the surrounding components as well as the connection line between the valve and . The equivalent bulk mod

Material removal that occurs in hydraulic devices at the points where the hydraulic fluid impacts at high speed. Erosion wear comprises cavitation erosion and particle jet erosion and is material depe

Time that is required for timer elements to recover for renewed correct function.

Semiconductor memory

Check valve that can also be opened against the locking direction if required. This action occurs via a control piston (K 2) that is dimensioned so that it can open the valve cone against the system p

If a chamber at pressure p is suddenly connected to a drain line (e.g. on switching over a directional valve ) then the compression energy stored in the fluid is suddenly released, as a result the com

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.

Device for removing undissolved air (gas) that may be carried in the hydraulic fluid in a hydraulic system . The valve must be fitted at the highest point in the system and can trigger automatically o

Breather filter