阀座采用O形密封圈密封和施加预紧力的浮动阀座结构，使阀门进出口双向密封；
The seal ring uses the floating seat ring structure with o-sear ring sealed and pre-tightening force applied to have inlet and outlet dual-way sealed;
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。
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.
前一组巨细与自在浮动球，并归入一个流量节制释放阀座转向器商会是最佳分流单元。
A set pre-sized diverter chamber with a free-floating ball and seat incorporating a flow control release valve is the optimum diversion unit.
浮动球球阀的球体自由支承在阀座上，靠介质的压力形成单面密封，故不能保证密封。
The fluctuation ball ball valve's spheroid free supporting on the valve seat, forms the one-sided seal depending on the medium pressure, therefore cannot guarantee the seal.
浮动球球阀的球体自由支承在阀座上，靠介质的压力形成单面密封，故不能保证密封。
The fluctuation ball ball valve's spheroid free supporting on the valve seat, forms the one-sided seal depending on the medium pressure, therefore cannot guarantee the seal.
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