... .Imported TFE film, wear-free 3.long working life DC3.6V-DC24V Electric Ball ValveFeatures:Seven O rings in and out ... , seven leakage proof structuresImported TFE film, wear-freeImported silica gel for O rings, ageing resistanceCompact appearance of actuator, prevention of ... is 35-45mA when the flow pressure is 124Mpa.) DC3.6V-DC24V Electric Ball Valve