A solenoid valve operates by using an electric solenoid to actuate a valve mechanism, allowing or blocking the flow of a medium such as water, air, or chemicals. When an electric current flows through the solenoid coil, it generates a magnetic field that moves a plunger, which either opens or closes the valve. PVC solenoid valves are specifically designed with a PVC body, which offers numerous advantages in terms of durability, resistance to corrosion, and cost-effectiveness. These valves are commonly found in systems where fluid control is critical and where corrosion resistance is paramount.