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Backflow is a term in plumbing for an unwanted flow of water in the reverse direction. It can be a serious health risk for the contamination of potable water supplies with foul water . In the most obvious case, a toilet flush cistern and its water supply must be isolated from the toilet bowl.
基本介紹. 中文名 ：倒流防止器. 外文名 ：backflow preventer. 組成 ：止回部件. 作用 ：防止給水管道水流倒流. 基本介紹,主要分類,工作情況,工作過程,工作原理,減壓原理,功能,適用場合,技術特點,技術參數,安裝與調試,維護與保養,原理作用,安裝要求,安裝部位,安裝 ...
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A backflow prevention device is used to protect potable water supplies from contamination or pollution due to backflow. In water distribution systems , water is normally maintained at a significant pressure to enable water to flow from the tap, shower, or other fixture.
2022年10月28日 · Backflow Preventer Types | NFPA
- Shawn Mahoney
2021年7月15日 · What is backflow? What is a backflow preventer? We're back in the Watts Works wet lab to answer those age old questions. Gary and Cameron breakdown why backf...
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- Watts Water
Understanding the two main conditions that can cause backflow, namely backsiphonage and backpressure, is crucial in safeguarding the water supply from contamination. At Backflows Only, our team of experts is dedicated to promoting water safety and raising awareness about the risks associated with backflow incidents.
