Hōʻike huahana:
ʻO nā huahana nui o nā mea hoʻopili paipu kalapona e pili ana i ke kuʻekuʻe lima, ke kalapona kila flange, ke kalapona kila tee, carbon steel tee, carbon steel diameter kūikawā paipu (nui a me ka liʻiliʻi poʻo), kalapona kila poʻo (pipe cap), etc. ʻO nā maʻamau e pili ana i ka standard national, American standard, Japanese standard, etc., i loko o ia mea e komo pū ana ka standard national me ka standard Ministry of Chemical Industry, Sinopec pipe fittings standard, power pipe fittings standard.ʻO nā paipu kila kila ka huaʻōlelo maʻamau no ka hoʻopili ʻana, ka hoʻomalu, hoʻololi, shunt, sila a me nā mea kākoʻo i ka ʻōnaehana paipu.ʻO ka paipu paipu kekahi mea e hoʻopili ai i kahi paipu i kahi paipu.ʻO nā paipu paipu kiʻekiʻe e kūpono i nā lako mahu kiʻekiʻe, kemika kiʻekiʻe wela a me ke kiʻekiʻe o ka paipu paipu, ka mana a me nā moku kīwila nuklea, nā mea hoʻoheheʻe kiʻekiʻe kiʻekiʻe a me nā kaiapuni kūikawā ʻē aʻe.Hoʻohana nui ʻia nā paipu paipu i ke kūkulu ʻana, ʻoihana kemika, mining, ikehu a me nā ʻoihana ʻenehana ʻē aʻe.ʻAʻole pono e poina ʻia kāna kuleana koʻikoʻi.