The 600X hydraulic electric control valve consists of a main valve, a pilot valve, a needle valve, a ball valve and a pressuregauge. The solenoid pilot valve can realize the remote control of the valve opening and closing. With the addition of additional devices, the opening and closing speed can be controlled. The 600% uses pilot valves to control valve openincand closing, saving energy. lt is widely used in high-rise buildings,living areas and other water supply systems and urbanwater supply projects.