Hydraulic control piping system is composed of main valve, Electromagnetic pilot valve, needle valve, ball valve, micro strainer and pressure gauge. The opening and closing of the valve can be remotely controlled by the electromagnetic pilot valve. The speed of opening and closing can be controlled by adding additional device. Hydraulic electric control valve uses pilot valve to control the opening and closing of the valve, saving energy. It can replace other valve large electric device. Electromagnetic hydraulic control valve products are widely used in high-rise buildings, living areas and other water supply network systems and urban water supply projects.