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SG743X Low Resistance Backflow Preventer
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SHENPAI
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The low-resistance backflow preventer is composed of two separate inlet and outlet check valves and a fluid safety control drain valve. It is a hydraulically controlled combined device that strictly limits the pressure water in the pipeline to flow in only one direction. Its function is to prevent the medium in the pipeline from flowing backward under any working conditions to achieve the purpose of avoiding backflow pollution.
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▌Structural Characteristics and Uses
The low-resistance backflow preventer consists of two independently separated inlet and outlet check valves and a fluid safety control drainage valve. It is a hydraulic control combination device that strictly limits the pressure water in the pipeline to flow in one direction only. Its function is to prevent the backflow of the medium in the pipeline under any working conditions, achieving the goal of avoiding backflow contamination. The DSBP745X low-resistance backflow preventer is composed of two independent spring-assisted elastic sealing check valves and an independent hydraulic differential drainage valve in the intermediate pressure-reducing chamber. The pressure chamber of the drainage valve is connected to the upstream water supply pressure, and the three internal valves share the valve body but do not have mechanical interdependence (meaning that they will not simultaneously experience related mechanical failures, ensuring independent operation).
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