Kalaponahili kilaʻO ka hoʻolālā paʻa ponoʻī, ka hana maʻalahi, ʻoi aku ka maʻalahi o ka mālama ʻana, hoʻopaʻa ʻia ka ʻili a me ka spherical surface i kahi kūlana paʻa, ʻaʻole maʻalahi e holoi ʻia e ka mea maʻalahi, maʻalahi ka hana a me ka mālama ʻana, kūpono no nā solvents, acid, wai a me ke kinoea maoli. ʻano hana maʻamau ʻē aʻe. Ua kapa ʻia kahi flange i hana ʻia me ke kila kalaponahili kila. Ka ili o ke kalaponahili kilaHe palahalaha a paheʻe, ʻaʻohe burr, ʻaʻohe ʻōpala, ʻaʻohe warping concave a convex kūlana.

ʻO ka pā kila ke nānā aku i kani ultrasonic, ʻaʻole pono e ʻoki ʻia nā hemahema delamination ma ke ala ʻōwili o ke kaula kila, e kulou ana i ka kuʻi ʻana i loko o ke apo, a hana i ka ʻili o ke apo kila cylindrical. ʻAʻole e hana pololei ʻia nā wili kī me nā apo flanged ʻāʻī mai nā papa kila, a e hoʻohana ʻia nā welds komo piha. ʻAʻole pono ka hoʻohana ʻana i nā bolts carbon steel e hoʻohui i ka gasket insulation a me ka barela, me ka insulation gasket a me ka barela i hoʻohana wale ʻia no ka hiki ke koho ʻia a i ʻole pipeline wai he mea wela a pahū, ʻo kēia manawa ke koho ʻana i nā bolts stainless steel e hoʻohui pū i ka gasket insulation. a me ka barela.