Abstract

The investigation of a pilot operated proportional pressure relief valve is described in this article. Different measurements are performed with a hydraulic test bench under laboratory conditions. A VT-VSPA1-1 amplifier module is used to control the current of the valve’s solenoid. The characteristics of the valve are determined as a function of the pressure – command value of the amplifier – volume flow rate. The results of the measurements can provide input data for the refinement of the mathematical model of the unit, which will be set up in the future.

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