Ko ngā miro BSP (British Standard Pipe) me ngā miro NPT (National Pipe Thread) he paerewa miro paipa e rua, engari he rerekētanga matua ēnei:
- Ngā Paerewa ā-Rohe me ā-Motu
Ngā Miro BSP: He paerewa Peretānia ēnei, i titoa, i whakahaerehia hoki e te British Standards Institution (BSI). He 55 nekehanga te koki miro, ā, he 1:16 te ōwehenga whakarara. He whānuitia te whakamahinga o ngā miro BSP i ngā whenua o Ūropi me ngā whenua o te Commonwealth, ā, i roto i ngā ahumahi wai me te hau.
Ngā Miro NPT: He paerewa Amerikana ēnei, i titoa, i whakahaeretia hoki e te American National Standards Institute (ANSI) me te American Society of Mechanical Engineers (ASME). He 60 nekehanga te koki miro o ngā miro NPT, ā, he āhua tika (porotaka) me te āhua whāiti. E mōhiotia ana ngā miro NPT mō ā rātou mahi hiri pai, ā, e whakamahia whānuitia ana hei kawe i ngā wai, ngā hau, te mamaoa, me ngā wai waipēhi.
- Tikanga Hiri
Ngā Miro BSP: He tikanga tēnei mā te whakamahi i ngā mīhini horoi, i ngā hiri rānei hei hiri.
Ngā Miro NPT: I hangaia mō te hiri whakarewa-ki-whakarewa, kāore e hiahiatia he hiri tāpiri.
- Ngā Wāhi Whakamahinga
Ngā Miro BSP: E whakamahia whānuitia ana i te UK, Ahitereiria, Aotearoa, me ētahi atu rohe.
Ngā Miro NPT: He mea noa ake i te Hononga o Amerika me ngā mākete e pā ana.
Ngā Miro NPT:Ko te paerewa Amerikana me te koki miro 60-tohu, e whakamahia whānuitia ana i Amerika Te Raki me ngā rohe e tutuki ana i ngā whakaritenga ANSI.
Ngā Miro BSP:He paerewa Piritana me te koki miro 55-tohu, e whakamahia whānuitia ana i Ūropi me ngā whenua o te Commonwealth.
Wā tuku: Mei-27-2024