... accurate position,avoid gear with switch.3. Multi-angle assembling,easy to install.4. Float ball structure,no leakage,especially ... :1.IC card meters,heat energy meters2.Air-warm valve.HVAC and fire works.3.Water equipment,auto-control ... :Product/Service (We Sell): electric valve,motorized valve,industrial valve,manual valve,pneumaticvalve/air actuator,automatic valve,actuator,IC card water meter,RF ...