The machine drawn back by hydraulic Pressure of two oil cylinder is a new machine used in the spillway radial gate, it is beginning to be used exactly in our country.

后拉式双缸液压启闭机是新型的弧门启闭机，在我国刚刚开始应用。

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The main products are: gate valve, butterfly valve, ball valve, piston valve, globe valve, hydraulic control valves, pressure reducing valve such as the eight series over 100 kinds of specifications.

目前主要产品有：闸阀、蝶阀、球阀、柱塞阀、截止阀、水力控制阀、减压阀等八大系列100多种规格。

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The pressure supported by the entrance speedy accident sluice-gate in the process of closing the dynamic hydraulic pressure is the problem the designers pay close attention to.

闸门在动水关闭的过程中所承受的动水压力是设计人员十分关注的重要问题。

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