2-way solenoid valve., Configuration: Normally Closed (NC), which means that it remains closed until it is activated by an electric current., Body Material: Brass., Port Size: 3/4 inch NPT., Applications/Media: Suitable for controlling the flow of liquids and gases, such as air, inert gases, water and light oil., Operating Pressure: It varies depending on the fluid, but generally between 5 and 125 PSI (pounds per square inch).