1.该装置是直接安装在闸阀和截止阀上的手动装置。 2.该装置采用弧齿锥齿轮和平面推力轴承,有运转平稳,扭矩大,噪音小,效率高的优点。 3.在所有的结合部,采用了密封胶全密封处理,达到了防水,防油渗漏的效果,防护等级为IP65。 4.手轮和阀杆罩可根据用户需求定制。 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.