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Detailed specifications for the functional requirements of a device or system, including environmental and other specific conditions to which the device (system) is exposed. On the one hand, they must

Value of the electrical inductance for the input signal under defined conditions (frequency, armature position, type of circuit) (E DIN 24 311).

States the percentage-based relationship between the electrical input signal and the hydraulic (here flow rate ) at zero load pressure in the range of the primarily linear characteristic (cf. transfer

Another term for the control piston (control spool) of a valve. The expression is also used for directional valves with valve control spools ().

Opened control circuit.

Refers to the supply and discharge of the pressure fluid in pumps/motors through the inside of the displacement unit. For example, with valve plate controlled radial piston machines where the pistons

A differentiation is made between installation in the main flow , in the partial flow or in a separate circuit ( secondary flow ). Filters in the main flow filter the entire flow rate. These include s

External gear pump on which, for reasons of noise reduction, two pairs of gear wheels are used that are offset in relation to each other by half the tooth pitch. In this way the delivery flow pulsatio

If a signal is adjusted continuously or in steps, the term signal selector is used. As the reference variable is to be set such that the task variable reaches its setpoint, the signal selector for the

According to DIN-ISO 1219, the combination of electrical and hydraulic actuation via a solenoid-actuated pilot valve ( electro-hydraulic actuation ).