The HPV Hydraulic valve works according to three operating regimes: closed, intermediate low flow position and high flow position. The high flow position can, at worst, also coincide with the valve position completely open, but nonetheless it can be regulated to limit the capacity of the line. The high and low flow positions are regulated manually from the outside by means of needles for adjustment. The flow regulator with digital valve operating mode is made possible by a closed ring control carried out by a liter counter with an electronic contometric head. The capacity can be regulated almost constantly in all of the 0-100% range of the shutter opening. The HPV Hydraulic Valve is available also in digital version.

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