pressure vacuum breaker

简明释义

压力-真空安全阀

英英释义

例句

1.The local code requires all irrigation systems to have a pressure vacuum breaker installed.

当地法规要求所有灌溉系统都必须安装压力真空断路器。

2.The irrigation system was installed with a pressure vacuum breaker to prevent backflow.

灌溉系统安装了一个压力真空断路器以防止回流。

3.A pressure vacuum breaker is crucial in preventing contamination of the water supply.

一个压力真空断路器在防止水源污染中至关重要。

4.It's essential to check the pressure vacuum breaker regularly to ensure it is functioning properly.

定期检查压力真空断路器以确保其正常工作是至关重要的。

5.During the plumbing inspection, the technician found a faulty pressure vacuum breaker that needed replacement.

在管道检查中，技术人员发现一个需要更换的故障压力真空断路器。

作文

In the realm of plumbing and irrigation systems, ensuring the integrity and efficiency of water flow is paramount. One crucial component that plays a significant role in this process is the pressure vacuum breaker. A pressure vacuum breaker is a device designed to prevent backflow in water supply systems, thereby safeguarding drinking water from potential contamination. This device operates by automatically releasing air into the system when a negative pressure is detected, effectively breaking any vacuum that could lead to back siphoning. Understanding the functionality of a pressure vacuum breaker is essential for anyone involved in plumbing or irrigation. When water is drawn from a source, such as a well or municipal supply, it creates a certain level of pressure. However, if there is a sudden drop in pressure—perhaps due to a pipe bursting or a pump failure—the water can begin to flow backward, potentially carrying contaminants into the clean water supply. The pressure vacuum breaker acts as a safeguard against this scenario. By allowing air to enter the system, it prevents the formation of a vacuum that could otherwise facilitate backflow.The installation of a pressure vacuum breaker is typically required in various applications, especially in irrigation systems where the risk of contamination is higher. For instance, when using fertilizers or pesticides, it is critical to ensure that these substances do not inadvertently enter the potable water supply. The presence of a pressure vacuum breaker in such systems provides peace of mind to homeowners and professionals alike, knowing that there is a reliable mechanism in place to protect water quality.Moreover, regular maintenance of a pressure vacuum breaker is vital to its effective operation. Over time, debris and mineral buildup can impair its functionality, leading to potential failures. Therefore, inspections should be conducted periodically to ensure that the device is working correctly. If any issues are detected, such as leaks or mechanical failures, timely repairs or replacements should be made to maintain safety standards.In conclusion, the pressure vacuum breaker is an indispensable component in modern water management systems. Its ability to prevent backflow and protect against contamination makes it a critical device for both residential and commercial applications. By understanding its function and importance, individuals can better appreciate the complexities of plumbing and irrigation systems, ultimately contributing to safer and more efficient water usage. As we continue to innovate and improve our water management practices, the pressure vacuum breaker will undoubtedly remain a key player in ensuring the health and safety of our water supply.

在管道和灌溉系统的领域中，确保水流的完整性和效率至关重要。一个在这个过程中发挥重要作用的关键组件是压力真空断路器。压力真空断路器是一种旨在防止水供应系统中回流的装置，从而保护饮用水免受潜在污染。该装置通过在检测到负压时自动释放空气进入系统，有效地打破可能导致回流的真空。理解压力真空断路器的功能对于任何参与管道或灌溉工作的人来说都是必不可少的。当水从某个源头（如井或市政供水）抽取时，会产生一定的压力。然而，如果压力突然下降——例如由于管道破裂或泵故障——水可能会开始向后流动，可能会将污染物带入清水供应中。压力真空断路器作为这种情况的保护措施。通过允许空气进入系统，它可以防止形成真空，否则会促进回流。压力真空断路器的安装通常在各种应用中是必要的，尤其是在灌溉系统中，污染风险更高。例如，在使用肥料或农药时，确保这些物质不会意外进入饮用水供应至关重要。在这样的系统中，压力真空断路器的存在为房主和专业人士提供了安心，因为他们知道有一个可靠的机制来保护水质。此外，定期维护压力真空断路器对其有效运行至关重要。随着时间的推移，碎屑和矿物质的积聚可能会影响其功能，导致潜在故障。因此，应定期进行检查，以确保设备正常工作。如果发现任何问题，例如泄漏或机械故障，应及时进行维修或更换，以维持安全标准。总之，压力真空断路器是现代水管理系统中不可或缺的组成部分。它防止回流和保护免受污染的能力使其成为住宅和商业应用中的关键设备。通过理解其功能和重要性，个人可以更好地欣赏管道和灌溉系统的复杂性，最终有助于更安全、更高效的水使用。随着我们继续创新和改善水管理实践，压力真空断路器无疑将在确保水供应的健康和安全方面继续发挥关键作用。