Pressure balance type two-position three-way electromagnetic valve

The invention discloses a pressure balance type two-position three-way electromagnetic valve, and relates to the technical field of electromagnetic valves. The valve comprises a valve body, a piston assembly, a coil magnetic separation assembly, a movable seal assembly and a valve port device; the coil magnetic separation assembly is arranged on the upper portion of the valve body, a piston seal cavity, a first connector, a second connector and a third connector are formed in the valve body, the piston assembly comprises a movable iron core, an iron core spring, a piston spring and a piston body, one end of the movable iron core is movably arranged in the coil magnetic separation assembly, the other end of the movable iron core sequentially penetrates through the movable seal assembly, the valve port device and the piston body to be fixedly connected with the piston body, the movable seal assembly and the valve port device are arranged in the piston seal cavity, the piston seal cavity is divided into an upper