偏心半球阀和V型球阀 阀门英文

偏心半球阀和V型球阀：

偏心半球阀：

偏心半球阀是一种常用的阀门，它由一个偏心的半球形阀座和一个偏心的半球形阀杆组成。阀杆的端部支承在阀座上，当阀杆转动时，偏心的半球形阀杆的轴向位置便会改变，从而控制阀门的开启和关闭。

V型球阀：

V型球阀是一种常用的阀门，它由阀体和阀杆组成，其中阀体上有两个相对的V形凹槽，阀杆上有一个V形球头，当阀杆旋转时，V形球头可以顺利移动，从而控制阀门的开启和关闭。

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.