hand valve

简明释义

手动阀

英英释义

例句

1.Before starting the system, make sure the hand valve 手动阀门 is fully open.

在启动系统之前，请确保手动阀门完全打开。

2.To shut off the water supply, you need to turn the hand valve 手动阀门 located under the sink.

要关闭水源，您需要转动位于水槽下方的手动阀门。

3.The technician adjusted the hand valve 手动阀门 to control the pressure in the pipeline.

技术人员调整了手动阀门以控制管道中的压力。

4.During the maintenance check, the engineer found that the hand valve 手动阀门 was leaking.

在维护检查期间，工程师发现手动阀门漏水。

5.You can easily access the hand valve 手动阀门 from the front panel of the machine.

您可以从机器的前面板轻松访问手动阀门。

作文

In the world of engineering and fluid mechanics, the term hand valve refers to a type of valve that is operated manually rather than automatically. This means that the user has direct control over the flow of a fluid through the system. The operation of a hand valve is typically achieved by turning a handle or a wheel, which opens or closes the valve, allowing or restricting the passage of liquids or gases. Understanding how to properly use a hand valve is crucial for anyone working in industries such as plumbing, manufacturing, and chemical processing.One of the primary advantages of a hand valve is its simplicity. Unlike automated valves, which may require complex electronic systems and sensors, a hand valve can be operated with minimal training. This makes it an ideal choice for situations where quick adjustments are necessary, such as in emergency shut-off scenarios. For instance, in a chemical plant, an operator might need to quickly stop the flow of a hazardous substance. With a hand valve, they can immediately turn the valve to halt the flow, ensuring safety and preventing potential accidents.However, there are also disadvantages associated with the use of a hand valve. Because they are operated manually, there can be a risk of human error. An operator might forget to close a hand valve after use, leading to leaks or spills. Additionally, if a hand valve is located in a hard-to-reach area, it may be challenging to operate it effectively. In these cases, automated valves might be more suitable, as they can be controlled remotely and programmed to operate under specific conditions.When it comes to maintenance, hand valves generally require regular checks to ensure they are functioning correctly. This includes inspecting the valve for signs of wear and tear, such as corrosion or damage to the handle or seat. Proper lubrication is also essential to ensure smooth operation. If a hand valve becomes stiff or difficult to turn, it may indicate that maintenance is needed. Regular maintenance can prolong the life of the valve and prevent unexpected failures during operation.In conclusion, the hand valve plays a vital role in many industrial applications. Its manual operation provides simplicity and immediate control, making it a valuable tool in various settings. However, users must be aware of the potential for human error and the need for regular maintenance. As industries continue to evolve, understanding the function and importance of a hand valve will remain crucial for ensuring safety and efficiency in fluid management systems.

在工程和流体力学的世界中，术语手动阀指的是一种手动操作而非自动操作的阀门。这意味着用户可以直接控制流体在系统中的流动。手动阀的操作通常通过转动手柄或轮子来实现，这样可以打开或关闭阀门，从而允许或限制液体或气体的通过。了解如何正确使用手动阀对于任何在管道、制造和化学加工等行业工作的人来说都是至关重要的。手动阀的主要优点之一是它的简单性。与可能需要复杂电子系统和传感器的自动化阀门不同，手动阀可以通过最少的培训进行操作。这使得它成为紧急关闭场合的理想选择，例如在化工厂中，操作员可能需要迅速停止有害物质的流动。通过手动阀，他们可以立即转动阀门以停止流动，从而确保安全并防止潜在事故。然而，使用手动阀也存在一些缺点。由于它们是手动操作的，因此可能存在人为错误的风险。操作员可能会忘记在使用后关闭手动阀，导致泄漏或溢出。此外，如果手动阀位于难以到达的地方，可能会很难有效地操作。在这些情况下，自动阀门可能更合适，因为它们可以远程控制并编程在特定条件下操作。在维护方面，手动阀通常需要定期检查以确保其正常运行。这包括检查阀门是否有磨损和撕裂的迹象，例如腐蚀或手柄或座位的损坏。适当的润滑也是确保顺畅操作的关键。如果手动阀变得僵硬或难以转动，则可能表明需要维护。定期维护可以延长阀门的使用寿命，并防止在操作过程中出现意外故障。总之，手动阀在许多工业应用中扮演着至关重要的角色。它的手动操作提供了简单性和即时控制，使其在各种环境中成为有价值的工具。然而，用户必须意识到人为错误的潜在风险以及定期维护的必要性。随着行业的不断发展，理解手动阀的功能和重要性将继续对确保流体管理系统的安全和效率至关重要。