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HYDRAULIC SCREW COMPRESSORS
INSTALLATION
OPEN CENTRE HYDRAULIC SYSTEM WITH LOAD SENSING VARIABLE
DISPLACEMENT PUMP
Picture 17: Open centre hydraulic system with Load Sensing variable
displacement pump
In open centre hydraulic system the flow is returned to tank through the control
valves open centre; that is, when the control valve is centered. It provides an open
return path to tank and the fluid is not pumped into a high pressure. In Load
Sensing variable-displacement pump, the flow rate and output pressure adjusts
automatically based on the load of the hydraulic system.
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