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Its aim is to keep the pressure drop setting (characteristic ∆p) between the line P and alternatively the lines A and B, at a constant level.
It is normally used together with proportional directional valves, in order to control the flow rate independently of the pressure variations.
The setting of the variable adjustment compensator (characteristic ∆p) can be varied from 7 to 33 bar, via a countersunk hex adjustment screw or via an adjustment knob.
The fixed adjustment compensator is available with setting (characteristic ∆p) of 4 and 8 bar.