Brass backflow preventer is an important safety device used to prevent backflow contamination of drinking water pipelines, so as to ensure the hygiene and safety of drinking water. The brass backflow preventer adopts a two-stage check system and a drain pressure relief system, which has multiple guarantee functions.
The first-stage check system of brass backflow preventer is mainly composed of valve body, water inlet joint, valve disc, gasket, spring, etc., which can effectively prevent the backflow of water in the pipeline. When the water pressure in the pipeline drops, the first check valve system automatically closes, preventing external water from entering the pipe, thus avoiding the occurrence of backflow contamination.
In addition to the first check system, the brass backflow preventer is equipped with a drain pressure relief system. The system is mainly composed of bonnet, diaphragm, spool, gasket, drain, spring, air blocker, etc. When the water pressure in the pipeline is too high, the drainage and relief system will automatically open to release the excessive water pressure to protect the safety of the pipeline and related equipment.
The upper chamber of the brass backflow preventer is connected to the inlet of the first check valve system, allowing the flow of water through the device smoothly. At the same time, the brass backflow preventer is designed and manufactured with a rigorous process to ensure its performance and reliability.
In short, brass backflow preventer is an efficient, safe and reliable equipment, which can effectively prevent backflow pollution in drinking water pipelines, thus providing a guarantee for people's health and life.