This series of products is quarter turn manual 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.The gearboxes output torque according to mounting flange allowed torque.Stem diameter and height adapt international standard.The mounting flange adapts to ISO 5211.So the gearboxes installed on the valve are very convenient.General products protection grade is IP65.For special environment can be done IP68 and immersion.
