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Fixed throttle

Cycle number possible per time unit under defined operating conditions.

Switching elements that after contact or contactlessly output position-dependent signals. As a rule they operate electrically. For electrical position switches a differentiation is made between contac

Valve that maintains the ratio of outlet pressure to inlet pressure constant.

Brief pressure rise and pressure drop or vice versa (DIN 24 312).

Time-dependent pressure change from a lower value to a higher value (DIN 24 312).

Perceivable and measurable change in frequency during the propagation of waves caused by the relative motion between the source and observer. Four different cases must be taken into account for the ca

Expresses the related variable for the information to be displayed as the sum of smallest units e defined for the system ( digitising ).

Measured variable for the pressure difference between p 1 and p 2 . The differential pressure can be positive or negative, depending on whether p 1 is greater than p 2 or smaller than p 2 (Figure D 23

Are characterised by numerical values of the individual variables with which the system can be operated without interruption (CETOP RP 100).