This series of products is quarter tum electric gear actuator.Suit to be used in ball valves,butterfly valves,plug valves,rotary ball valves etc.The housing made by precise casting.new design,nice appearance.It transmitted by worm gear and worm.The worm gear with self-locking.With tapered roller bearing.so the gearboxes can be operated more flexibly and have higher efficiency.Worm gear material choose ductile iron,aluminum bronze or D2,according to open times and electric actuator speed.Two connection types for choose:stem and key connection and removable nut type.Can produce based type gearboxes used in damper valves.The output mounting flange adapts to ISO 5211.So the gearboxes installed on the valve are very convenient Input flange adapts to ISO 5211,JB2920-81 etc.General products protection grade is IP65.For special environment can be done IP68 and immersion.
