Ka nui maʻamau o nā kiwikā nānā ANSI-Standard

ʻO kakiwikā nānāi hoʻolālā ʻia, hana ʻia, hana ʻia a hoʻāʻo ʻia e like me ke kūlana ʻAmelika i kapa ʻia ʻo ke kūlana ʻAmelikakiwikā nānā, no laila he aha ka nui maʻamau o ke kūlana ʻAmelikakiwikā nānāHe aha ka ʻokoʻa ma waena o ia a me ka valve hōʻoia maʻamau aupuni? I kēia manawa, ʻo ka nui maʻamau o ke kūlana ʻAmelikanā kiwikā nānāʻoi aku ka kaulana o ka hoʻolālā ʻia a hana ʻia e like me nā kūlana API a me ASME, a he nui nā kūlana valve maʻamau ʻAmelika he mea maʻamau i ka honua. ʻO nā ana maʻamau o nā kiwikā nānā American Standard penei: Nā kūlana hoʻolālā: API 6D, ASME B16.34, API 594, BS 1868, GB/T 12235, GB/T 12236, JB/T 8937 Ka lōʻihi o ke ʻano: ASME B16.10, API 6D, GB/T 12221 Nā kūlana pili: ASME B16.5, ASME B16.47, ASME B16.25, GB/T 9113, JB/T 79, HG/T 20592 Hoʻāʻo kaomi: API 598, API 6D, GB/T 13927, GB/T 26480 Ka helu kaomi a me ka mahana: ASME B16.34, GB/T 12224 Ka hoʻohana ʻana i nā kiwikā poepoe American standard ma nā wahi kaomi kiʻekiʻe ʻO nā ʻokoʻa nui ma waena o ka American standardnā kiwikā nānāa me ke kūlana aupuninā kiwikā nānāpenei: 1. ʻOkoʻa ke anawaena nominal; 2. ʻOkoʻa ka māka flange; 3. ʻOkoʻa ka lōʻihi o ke ʻano; 4. ʻOkoʻa nā koi nānā.