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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.

Temperature at which the mineral oil still just flows under defined test conditions. It is somewhere between 6 and 8°C above the pour point . The pour point cannot be used to assess the characteristic

Position measurement by potentiometer is based on changes in the resistance in an electrical conductor as a function of its length ( Figure P 14 ). These days, position measurement by potentiometer is

Reversal of a pulse valve by supplying air (pressurisation) to the piloting line. Since negative-pulse control is hardly used any more, the term used most often is simply pressure actuation.

Errors which (may) occur when positioning hydraulic drives. They consist of; the Δs N, errors associated with hysteresis and the reversal error for the continuously adjustable valve (between 0.1% and

Thermoplastic elastomers

Thermoplastics

Macromolecular materials whose molecules are made up of simple, repeated molecular units (blocks). Their number determines the level of polymerisation. The materials used in fluid technology in terms

Thermoplastics

Thermoplastics