阀门手动驱动装置概述
EA系列多回转阀门手动装置是阀门的重要组成部件，应用于多回转运动的闸阀、截止阀、节流阀、隔膜阀等类型阀门杆上下移动，启动阀门。
本装置由人力操作手轮，通过锥形齿轮等减速传动，直接驱动阀门阀杆上下移动，启闭阀门。
EA Series Multi-turn valve manual valve device is an important component parts used in Multi-turn movement valve, the cut-off valve, throttle, valve and other types of valves on a post move, start valve. The device by the human operator launches, such as through the cone-shaped gear reducer drive, direct drive valve stem up and down movement of the valve gate. Text to be translated into
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