Large diameter flange
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Large diameter flange
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Large-diameter flanges are core pressure‑bearing sealing components used to connect large industrial piping systems and complete equipment sets. They generally refer to flanges with nominal diameters of DN600 and above, primarily serving as detachable, sealed joints between pipelines, valves, pressure vessels, and major equipment. As indispensable key components in major infrastructure projects across sectors such as petrochemicals, energy and power, municipal engineering, and marine engineering, they ensure the safe, long‑term, and stable operation of entire industrial systems through their high pressure resistance, reliable sealing performance, and broad compatibility.
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