What is the working principle of a internal pressure ratio sensor?
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What is the working principle of the pressure ratio sensor in a screw compressor? What value does it actually measure? Is it the displacement of the slide valve?
The position of the slide valve that allows adjustment of the internal pressure ratio corresponds to the volume of the area from which gas is discharged; meanwhile, the energy slide valve position corresponds to the short-circuit position at the suction side.
The internal pressure ratio of the screw compressor is adjusted by a slider, and the sensor reflects the displacement of this slider