半球阀工作原理是什么呢 阀门英文

半球阀工作原理是什么呢：

半球阀是一种常用的流体控制装置，它具有良好的密封性能、结构简单、操作方便、维修保养简单等特点，它的工作原理是：当阀门开启时，阀门底端和流体连接，流体从阀门底端进入阀体，一部分流向阀门开口，另一部分流向阀门上端，从而形成减压，使阀门上部关闭。当阀门关闭时，流体因受到压力的作用，压力的大小将决定是否关闭阀门，当阀门完全关闭时，流体将完全堵塞，从而达到控制流体的目的。

阀门英文：

Valve：

Valves are mechanical devices that control the flow of fluid and pressure within a system or process. Valves are used in a wide variety of applications, including controlling the flow of water, gas, steam, oil, and other liquids, as well as controlling the pressure of liquids and gases. Valves are available in a variety of materials and sizes, and can be operated manually or automatically.