+A flange is a protruding rim, lip, or collar used for strength, guidance, or attachment. It commonly joins [Pipes](/wiki/pipe) or provides a mounting surface for [Valves](/wiki/valve) and other components, ensuring a secure connection.
+## See also
+- [Gasket](/wiki/gasket)
+- [Bolt](/wiki/bolt)
+- [Welding](/wiki/welding)
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