该系列是一款90°部分回转手动驱动装置。适用于球阀、蝶阀、旋塞阀等阀门。箱体采用精密铸造，样式新颖，外形美观。采用蜗轮蜗杆传动，蜗轮副自锁，使用圆锥滚子承轴，传动 加灵活，效率高。蜗轮与阀门阀杆连接部分由实体和内置螺母两款供客户选择，法兰全部采用ISO5211国际标准，与阀门配套 加方便。防护等级为IP65.特殊环境还可做到IP68. 

    It is quarter turn gear actuator, suit to be used on ball valves,butterfly valves,,, and the worm gear with self-locking,also by using tapered roller bearing,-body or separated just according to customers'65, for some special environment, it also can be IP68. 

 

   e.型号大小：MY-000~MY-6共14个尺寸供选择，扭矩范围300-8500Nm.