Hiki ke hele mai nā ʻāpana kila ma nā ʻano poepoe akā hiki iā lākou ke hele mai i nā ʻano huinaha a me nā ʻano ʻehā. Hoʻopili ʻia nā flanges i kekahi i kekahi ma ka bolting a hoʻohui ʻia i ka ʻōnaehana paipu ma ka wili a i ʻole ka wili ʻana a ua hoʻolālā ʻia i nā helu kaomi kikoʻī; 150lb, 300lb, 400lb, 600lb, 900lb, 1500lb a me 2500lb.
Hiki i ka flange ke pā no ka uhi ʻana a pani ʻana paha i ka hopena o kahi paipu. Kapa ʻia kēia ʻo ka flange makapō. No laila, manaʻo ʻia nā flanges he ʻāpana kūloko i hoʻohana ʻia e kākoʻo i nā ʻāpana mechanical.
ʻO ke ʻano o ka flange e hoʻohana ʻia no kahi noi paipu e hilinaʻi nui ʻia, ma ka ikaika i koi ʻia no ka hui flanged. Hoʻohana ʻia nā flanges, ʻokoʻa i nā pilina welded, e hoʻomaʻamaʻa i nā hana mālama (hiki ke wehe koke ʻia kahi hui flanged).