Series VX21/22/23, is a direct operated 2 port solenoid valve for air, gas, vacuum, water, steam and oil. Proper selection of body and sealing materials permits application of a wide variety of fluids. Application can be matched by simply choosing body materials (brass, stainless steel), seal materials (NBR, EPR, FPM, PTFE) and the solenoid coil (class B, class H).