double check valve

简明释义

双向止回阀

英英释义

例句

1.A double check valve is essential for maintaining water quality in industrial applications.

在工业应用中，双重检查阀对于维持水质至关重要。

2.Before starting the irrigation system, make sure the double check valve is functioning properly.

在启动灌溉系统之前，请确保双重检查阀正常工作。

3.The plumber installed a double check valve to prevent backflow in the water supply system.

水管工安装了一个双重检查阀以防止水供应系统中的回流。

4.The fire suppression system includes a double check valve to ensure safety.

消防抑制系统包括一个双重检查阀以确保安全。

5.Regular maintenance of the double check valve can prevent costly repairs down the line.

定期维护双重检查阀可以防止后续昂贵的维修。

作文

In modern engineering, particularly in plumbing and fluid mechanics, the term double check valve refers to a crucial device that prevents backflow in water systems. Understanding the function and importance of a double check valve is essential for anyone involved in the design, installation, or maintenance of plumbing systems. This device consists of two independent check valves installed in series, which work together to ensure that fluid flows in one direction only. If one valve fails, the second valve acts as a backup, providing an additional layer of security against contamination and ensuring the safety of the water supply.The primary purpose of a double check valve is to protect potable water supplies from potential contaminants that could enter through backflow. Backflow can occur due to various reasons, such as changes in pressure within the plumbing system or when there is a sudden drop in water pressure, causing water to flow backward. For instance, if a hose connected to a faucet is submerged in contaminated water, a sudden change in pressure could allow that contaminated water to flow back into the clean water supply. A double check valve effectively mitigates this risk, ensuring that clean water remains uncontaminated.Moreover, the installation of a double check valve is often mandated by local plumbing codes, particularly in commercial settings where the risk of contamination is higher. Understanding these regulations is vital for contractors and engineers, as failure to comply can result in severe penalties and health risks. Additionally, regular maintenance of these valves is necessary to ensure their proper functioning. This includes checking for leaks, ensuring that the valves open and close correctly, and replacing any worn or damaged components.In residential settings, homeowners may not be aware of the presence or importance of a double check valve. However, it plays a significant role in maintaining the quality of their water supply. Homeowners should consider having a qualified plumber inspect their plumbing systems to ensure that double check valves are installed where necessary and functioning correctly. This proactive approach can save them from potential health hazards and costly repairs in the future.In conclusion, the double check valve is an essential component in plumbing systems that protects against backflow and contamination. Its dual design provides an added layer of security, making it a reliable choice for both residential and commercial applications. Understanding the function and importance of a double check valve helps ensure safe and clean water supply systems, ultimately contributing to public health and safety. As we continue to advance in technology and engineering practices, the significance of such devices will only grow, highlighting the need for ongoing education and awareness in the field of plumbing and fluid mechanics.

在现代工程中，尤其是在管道和流体力学领域，短语双重止回阀指的是一种防止水系统回流的重要装置。理解双重止回阀的功能和重要性对于任何参与管道系统设计、安装或维护的人来说都是至关重要的。该装置由两个独立的止回阀串联安装而成，协同工作以确保液体仅朝一个方向流动。如果一个阀门失效，第二个阀门就会作为备用，提供额外的安全层，以防止污染并确保水源的安全。双重止回阀的主要目的是保护饮用水供应免受潜在污染物的影响，这些污染物可能通过回流进入水源。回流可能由于多种原因发生，例如管道系统内压力变化，或水压突然下降，导致水向后流。例如，如果连接到水龙头的软管浸入了受污染的水中，水压的突然变化可能会导致这些受污染的水反流入清水供应中。双重止回阀有效地降低了这种风险，确保清水不被污染。此外，通常地方管道规范要求在商业环境中安装双重止回阀，特别是在污染风险较高的地方。了解这些法规对承包商和工程师至关重要，因为不遵守可能会导致严重的罚款和健康风险。此外，定期维护这些阀门是确保其正常工作的必要措施。这包括检查泄漏，确保阀门开关正常，以及更换任何磨损或损坏的部件。在住宅环境中，房主可能并不知道双重止回阀的存在或重要性。然而，它在维护水源质量方面发挥着重要作用。房主应考虑让合格的水管工检查他们的管道系统，以确保在必要的地方安装了双重止回阀并且其正常工作。这种主动的做法可以避免未来潜在的健康危害和昂贵的维修费用。总之，双重止回阀是管道系统中防止回流和污染的重要组成部分。其双重设计提供了额外的安全性，使其成为住宅和商业应用的可靠选择。理解双重止回阀的功能和重要性有助于确保安全和清洁的供水系统，最终为公共健康和安全做出贡献。随着我们在技术和工程实践上的不断进步，此类设备的重要性只会增加，从而强调了在管道和流体力学领域持续教育和意识的必要性。