E.MC pneumatics&hydraulics EDF sereis solenoid valves are used in water, especially for the music fountain control. The in water This sereis valves has wider and bigger orifice sizes from 15mm to 150mm, depending on the music fountain. Smaller size valves are nromally connected by thread from 1/2” to 2”, and bigger size valves are connected by flanges to make it more stable. EDF valve has very stable function and can work in very dirty condition for long time, widly used in every corner of the world.