Aflangehe kahe waho a i waho paha, a iʻole ka rim (lip), i ka ikaika, i ka paleʻana i kahi he-beam a iʻole ka hemam paha; a iʻole no ka hoʻopiliʻana i kekahi mea'ē aʻe, e like me ka flange ma ka hopena o kahi paipa, steam cylinder, etc., a iʻole ma ka mauna a iʻole no ka flange o kahi kaʻa kaʻa a iʻole tram wind i ka flange he ala e hoʻopili ai i nā piptes, nā mea'ē aʻe e hana i kahi'ōnaehana piping. Hāʻawiʻia ia i ka maʻalahi maʻalahi no ka hoʻomaʻemaʻe, nānā a hoʻololi paha. ʻO nā flanges pinepine pinepineʻia a iʻole a nānāʻia paha. Hoʻokomoʻia nā'ōlaʻi i hanaʻia e ka hoʻopiliʻana iʻelua mau flangs me kahi gasket ma waena o lākou e hāʻawi i kahi hōʻailona.