电动球阀如何手动控制 阀门英文

电动球阀如何手动控制：

1.首先，找到电动球阀的手柄，将手柄拉至手动控制位置。

2.然后，找到手动控制标记，并旋转手柄，使其在手动控制位置上旋转90度。

3.再次进行旋转，使手动控制标记的颜色与球阀的位置相一致。

4.最后，将手柄移动至手动控制位置，即可完成电动球阀的手动控制。

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.