motorized ball valve 12V, DN20, with manual switch, 2 way, electrical valve,brass Description:This listing includes 1 ... of motorized ball valve DN20, 12VDC, 2 way, brass, with manual switch. Application:1.HVAC 2.Water treatment 3.Chemical process 4 ... worked.4). Under the pressure between 1Mpa and 2Mpa, the working current is only 45mA to 100mA (it depend on the different ...