... ball valve Size: 1/4",1/2",3/4",1",1 1/4" ,8mm,10mm, Electrical limit and machinery limit design, ... for 100,000 times.2. Electrical limit and machinery limit design,accurate position,avoid gear with switch.3. Multi-angle ... Information:Product/Service (We Sell): electric valve,motorized valve,industrial valve,manual valve,pneumaticvalve/air actuator,automatic valve,actuator,IC card water meter,RF ...