ʻO Flange nā ʻāpana e hoʻopili ai i ʻelua mau hopena paipu, ua wehewehe ʻia ka pilina flange e ka flange, gasket a me ka bolt ʻekolu i hoʻopili ʻia ma ke ʻano he hui o ka hui hoʻopaʻa ʻana o ka pilina hiki ke wehe. Hoʻohui ʻia ke kinoea ma waena o nā flanges ʻelua a laila hoʻopaʻa ʻia e nā bolts. ʻOkoʻa ka flange puʻe, ʻokoʻa ka mānoanoa, a ʻokoʻa nā bolts a lākou e hoʻohana ai, i ka wā e hoʻopili ai ka paila a me ka valve me ka paipu, ua hana ʻia nā ʻāpana o nā mea hana me ke ʻano flange like, ʻike ʻia hoʻi ʻo ka pili flange, maʻamau i pani ʻia nā ʻāpana pili bolted i ʻike ʻia he flanges, e like me ka pili ʻana o ka paipu ventilation, hiki ke kapa ʻia kēia ʻano ʻāpana ʻo "flange type ʻāpana", akā ʻo kēia ʻano ʻāpana he ʻāpana o ka wai, ʻo ia ka ʻāpana o ka flange. ʻAʻole kūpono ʻole ke kāhea ʻana i ka paila wai e like me nā ʻāpana flange, akā pili liʻiliʻi liʻiliʻi, hiki ke kapa ʻia he ʻano flange ʻano ʻāpana.