Gems B series solenoid valve is a kind of direct acting solenoid valve can provide two or three way function. The B Series solenoid valve, like all of our valve products, uses a plunger seal structure to provide long service life in conventional liquid, gas and vacuum applications. B series solenoid valves according to your needs to provide a variety of aperture, body material, rated power and coil structure combination, fully able to meet your application requirements. Series B solenoid valves are ideal for most applications where Cv values range from 0.018 to 0.43.