Reductive pressure valves and three ways DZC5, DZCR5, DZC7 and DZC8 are three -way reduction of reduction of pressure, for plate assembly. They are used to adjust and reduce pressure in the users line, for a hydraulic counterweight or load balance, downloading the surplus to the tank. These valves are designed with ISO 4401 laying plan. Attack B should not be used. DZC5, DZCR5, DZC7 and DZC8 are available in four pressure adjustment fields up to 280 bar. The pressure is adjustable by means of a screw with a built -in hexagon or with knob.