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It is quarter turn gear actuator, suit to be used on ball valves,butterfly valves,plug valves etc.The housing made by precise casting, and the gear boxes have fresh pattern and nice appearance.It transmitted by worm gear with self-locking. Tapered roller bearing was used to make it work more flexibly and efficiency. Stem nut can be uni-body or separated just according to customers' requirement.The mounting flange adapts to I.S.O.5211.The Protection grade can be IP65, for some special environment, it also can be IP68.
1.worm gear box adapts to I.S.O standard so that it can change parts easily..
2.Housing of worm gear box made by casting, moreover.it bears up against thrust due to superior quality and sophisticated design.
3.Regarding gear, It makes the gear box relax from noise under optimum heat treatment & precise grinding.
4.Stem nut is not uni-body but separated so that isolable type enable bush to be convenient, efficient and so on.
5.Protection Grade Can be IP65.
Manual quarter turn gear actuator
