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Flanges are the core components of detachable, sealed connections between pipelines and equipment, consisting of a disc-shaped body with bolt holes. A sealing gasket is installed between two flanges, and tightening the bolts presses the gasket tightly to achieve leak‑free fluid conveyance. With their ease of disassembly and maintenance, flanges are indispensable standard components in pipeline systems across industries such as petroleum, chemical processing, power generation, municipal engineering, metallurgy, and shipbuilding.
