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Backflow preventer for sale is a hydraulic control combination device that strictly limits the water flow in the pipeline to only one-way flow according to the situation that the backflow pollution of the tap water supply equipment, especially the drinking water pipeline is serious, and there is no effective device to prevent the backflow pollution. As a popular kind of China bronze ball valve, the backflow preventer function is to prevent the medium in the pipeline from flowing back under any working conditions to achieve the purpose of avoiding backflow pollution. At present, different types of backflow preventers are mainly low-resistance backflow preventers and pressure-reducing backflow preventers. According to national standards, the head loss of low-resistance backflow preventer device is less than 3 meters, and the head loss of pressure-reducing backflow preventers is less than 7 meters.

Our Strengths in Ball Valve Ball Manufacturers We have manufactured many bronze valves, like bronze ball valve, gate valve, global valve, check valve, backflow preventer for many companies from home and abroad. Our customers are from north America, south America, west Urope and including China and some parts from south Asia. Our customers offer design drawings, weight, thread and material and we produce valve for them with their brand and logo. Every year, we have a large number of orders for OEM valve producing.