... moist conditions. I Detailed Product Description motorized ball valve DN25, 2 way,24V electrical valve Smart shape, Perform reliably, large output torque ... unit of motorized ball valve DN25, 24VDC, 2 wayApplication:1.HVAC 2.Water treatment 3.Chemical process 4.Small equipment for automatic ... most suitable for heavy dirt and long time no action.3).The conditions that solenoid valve can not be worked.4 ...