... valve Size: 1/4",1/2",3/4",1",1 1/4" ,8mm,10mm, Electrical limit and machinery limit design, accurate position ... Gas.Product life: 100,000 timesEnclosure:IP65Special function:Position indicator;quick open signal feedback,manual override fail safe ... /Service (We Sell): electric valve,motorized valve,industrial valve,manual valve,pneumaticvalve/air actuator,automatic valve,actuator,IC card water meter, ...