Stainless steel solenoid valve is to open and close the valve by receiving electrical signals, so as to achieve the automatic control of the fluid medium in the pipeline. In the structure, there are direct and pilot type, according to the application of different occasions, there are often closed type, often open type. According to the different fluid media, there are special stainless steel solenoid valves for water, air, gas, steam and acid and alkali resistance.