... life for 100,000 times. 2. Electrical limit and machinery limit design,accurate position,avoid gear with switch. 3. Multi-angle assembling ... -warm valve.HVAC and fire works.3.Water equipment,auto-control watersystem,industrial mini-auto equipment, Small equipment for automatic control4 ... ) By Express(TNT,UPS,DHL,Fedex or EMS)/Air/Sea 2-way lower current motorized ball valve with water treament,solar hot ...