... DC24V 10)Medium: air. Water,,Hot water, Oil ect. 11)Application: Low-pressure large-flow normally air water control system3.Announcements:1)NBR/ ... On / Off control.2)Pls add "B" for stainless valve body when ordering, like "PU 50B".4. water direct acting solenoid ... , high flow, little electric power required.3.Available fluid : air, gas, water, oil etc.Solenoid Valve is an automatic control part used ...