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Acrylonitrile butadiene rubber. The acrylonitrile component can be anything between 18 and 50%. Numerous seals for hydraulic and pneumatic devices are made from this synthetic rubber, including radial

People would be perfectly happy to work with just one type of oil in mobile hydraulics, i.e. using the same oil in the both the engine and the hydraulics. This, however, is not advisable from either a

Actuation device which operates via elements moved mechanically (e.g. actuation of cams by valves).

The printed circuit board is an electronic circuit manufactured using a largely automated process. The copper layer in the base plate made of insulating material (generally in the Europe format) is re

Directional valve with five annular channels in the housing for ports A, B, P and T. The spring chambers F 1 and F 2 remain outside the control area of the valve and can have a dedicated drain port (F

Incremental measurement of distances or angles which determine the position of a point or of an angular position. They are based on the initial position at the time in question (DIN 66 257).

Pulse generator

Constant force characteristic

Seal combination comprising a ring made of wear-resistance material (mostly filled PTFE) with a smooth or recessed edge sliding surface that is energised by an O-ring behind it (Figure G 27) . The som

Electrical signals which are issued depending on an adjustable time. Timer relays or timer switches are used for this. They are used if the preceding function is to be maintained for a period of time.