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What factors should be considered when selecting the pressure rating for the takeover flange?

2021-11-13View Original

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In engineering design, the pressure class of the container’s nozzle flange is usually specified by the process systems discipline. The following factors should be considered when selecting the pressure rating for the takeover flange. ① Design pressure and design temperature of the container. ② Connection standards for valves, fittings, and detectors such as temperature, pressure, and level that are directly connected to it. ③ The effect of thermal stress in process pipelines (especially high-temperature and thermal pipelines) on pipe flanges. ④ Process parameters and properties of the operating medium. For containers operating under vacuum conditions, when the degree of vacuum

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