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Device for absolute angle measurements. A coded disc (graduated disc) turns in the beam path of an electro-optical reading device and creates signals there over a corresponding code track, which state

The efficiency of a valve is determined by the pressure losses and the leakage losses . In most cases, the pressure losses Δp dr, which are comprised of form-related losses (form drag ratio) and throt

Difference between the opening and closing pressure for pressure-limiting valves (Figure S 15). It is created by the mechanical friction of the closing element, flow forces and the spring. It means th

Macromolecular materials used to achieve a flatter VT characteristic curve. Due to their long length, the molecules of the viscosity index corrector are shear sensitive such that their effect subsides

Position assumed by the moving parts of a valve when the actuation energy is switched off ( centre position ).

The effective hydrostatic power at the output side is determined by the effective flow rate and the effective pressure difference. Refers to the power produced by a flow rate Q at a pressure differenc

Technical area covering the friction between surfaces moved against one another and their consequences –– primarily in terms of wear –– and prevention –– lubrication ( Figure T 18 ).

Local input and output unit in a data network

If the measured result is a function of one or more measured values , then the error on the measured result can be determined based on the law of error propagation . It describes the propagation of th

Term for — mainly slow-speed — hydraulic motors with very high displacement and therefore very high torque. High torque motors are generally designed as multi-stroke hydrostatic motors in terms of the