motorized ball valve, 220v, 2 way, DN20, electrical valve Application:1.HVAC2.Water treatment3.Chemical process4.Small equipment for automatic control5.Replacing solenoid valve, particularly when solenoid cannot work reliably Features:1).Smart shape, Perform reliably, large output torque, as long as 50000-100000 times.multi-angle assembling, convenience for all kinds of requirements.2).Float ball ...