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Commonly used term for binary valves ( switching valves ), which only open or close. Alternative: Continuously adjustable valves

Controller concepts

System in which the flow rate remains constant regardless of how high the load pressure is, assuming any pressure-controlled leakage losses are ignored. Constant flow systems in an open circuit are th

Provides information on the behaviour of the controlled variable with a changing reference variable , but constant disturbance variable . The controlled variable responds to external effects on the co

Operating viscosity

Drive system, in which the flow rate for all movements is provided directly from pumps (without a storage facility). If different speeds are required, constant pumps are used in throttle control and v

In accordance with ISO 1219-1 load-holding valves are classed in the group of pressure control valves. They prevent double-acting consumers (such as hydraulic cylinders and hydraulic motors) that have

Complete sequence of events or conditions that repeat periodically ( working cycle ).

Pump piston with a spherical piston surface, which contains piston rings for sealing. The piston shaft is lowered ( Figure S 75 ). The spherical piston is used in axial piston machines, in which the c

Process for converting analogue signals to digital signals . Sampling will convert a signal that is continuous over time into a series of impulses. The transfer does not take the form of impulses of d