... ,10mm,15mm,20mm,25mm,32mmSpecial function:Position indicator;quick opensignal feedback,manual overridefail safe(auto-return) functionTorque ... small equipment/HVAC Water treatment Small equipment for automatic control,Replacing solenoid valve, particularly when solenoid ... electric valve, electronic valve.electric valve for water automatic control,brass or stainless steelmini motorized valve, actuated ...