1.       It is easy opening & closing that the gear box are directly mounted on Gate & Globe valve under thrust loads.
2.The gear box enable efficiency to rise over 90%.which consists of suitable bearing.
3.Regarding gear,It makes the gear box relax from noise under optimum heat treatment & precise grinding.
4.It can avoid from waterproof & oil leakage as sophisticated oil seal is used at the through part.Protection Grade Can be IP65.
5.Hand wheel & stem cover are optional index.