The K series mini solenoid valves are one of the oldest directional valves of E.MC pneumatics & hydraulics, most of these valves are supplied to north of China. One style of the K series mini solenoid valves can work independently as 3/2 way valves, and the other style valve can also be put on a valve base to work together as a 5/2 way directional valve or 3/2 way directional valve. These valves can work in very dirty environment and are popular for out housing condition.