The paper analyses the problems of existing flat gate valve used in dense-medium system pipeline and introduces anti-friction qualities and functions after improvement.

分析了重介质系统管路中平板闸阀存在的问题，介绍了改进后的耐磨特点和性能。

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Brief introduction to the working process, the construction characteristics, the applications and the main data's selection & calculation for the single disc, high-performance flat gate valve.

介绍了高温硬密封浮动阀座单闸板平板闸阀的工作原理、结构特点、适用范围及主要技术数据的选取和计算。

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Actually, first she swung into the room like a broken gate, holding the door frame with one hand and slamming the other one flat against the wall.

NEWYORKER: Natalie