E ai ki te ingoa, ko te miro paipa e pā ana ki te miro e whakamahia ana i runga i te paipa. I konei, ko te paipa e pā ana ki te paipa ingoa. Nā te mea e kiia ana tēnei momo paipa he paipa ingoa, ko te miro paipa he miro ingoa. Ko ngā miro paipa, hei momo hononga paipa, e whakamahia whānuitia ana mō te hononga me te hiri i ngā paipa iti me te rahi waenga e kawe ana i ngā wai me ngā hau. E toru ngā momo miro paipa e kitea whānuitia ana. Ko ēnei: te miro NPT, te miro BSPT, me te miro BSPP.
Ko ngā rerekētanga matua i waenga i ngā momo miro e toru:
| Miro Paipa | Koki | Taper/Parere | Runga & Raro | Puka Hiri | Paerewa |
| NPT | 60° | Whakawhāitihia | Papatahi te tihi, papatahi te raro | Whakakī | ASME B1.20.1 |
| BSPT | 55° | Whakawhāitihia | Runga porowhita, raro porowhita-t | Whakakī | ISO7-1 |
| BSPP | 55° | Parera | Runga porowhita, raro porowhita-t | Pakitara | ISO228-1 |
Ngā mātāpono hiri me ngā tikanga hiri o ngā momo miro paipa e toru
Ahakoa he miro paipa hiri 55° (BSPT) he miro paipa hiri 60° rānei (NPT), me whakakī te takirua hiri o te miro ki te reo i te wā e whakawirihia ana. Ko te tikanga, ka whakamahia te rīpene hiri PTFE hei takai i te miro o waho, ā, ko te maha o ngā takai ka rerekē mai i te 4 ki te 10 i runga i te matotoru o te rīpene hiri PTFE. Ina whakaritea te āputa i waenganui i te tihi me te raro o te niho, ka whakapūmau i te whakapūmau o te miro paipa. Ka pēhia ngā miro o roto me o waho tetahi ki tetahi, ka whakakorea tuatahi te āputa i waenganui i ngā taha kua pēhia. Kātahi, i te pikinga o te kaha whakapūmau, ka koi haere te tihi o te niho, ka pōuri haere te raro o te niho, ā, ka ngaro haere te āputa i waenganui i te tihi o te niho me te raro o te niho, ka tutuki ai te kaupapa o te aukati i te turuturu. Ina he whakawhiti, he pokanoa rānei i waenganui i te tihi me te raro o te niho, ka pēhia tuatahitia tetahi ki tetahi, ka pōuri haere te tihi o te niho, ka koi haere te raro o te niho, kātahi ka pa te taha o te niho ka whakakorea haere te āputa. Nō reira ka tutuki ai te mahi hiri o te miro paipa.
Kāore he mahi hiri a te miro paipa kore hiri 55° (BSPP), ā, he mahi hono noa iho te miro. Nō reira, me whakamahi he gasket hiri hei hiri i te mata o te pito. E rua ngā momo hiri mata o te pito: ko tētahi he whakamahi i te gasket papatahi ki te mata o te pito o te miro tāne, ā, ko tētahi he whakamahi i te gasket whakakotahi (he gasket rapa kua whakakāhia ki te taha o roto o te mowhiti whakarewa) ki te mata o te pito o te miro uwha.
Mō ētahi atu taipitopito tono, tirohia te kōwhiringangā rārangi pukapukai rungaPaetukutuku mana o HikelokMena he pātai āu mō te whiriwhiri, whakapā atu ki ngā kaimahi hokohoko ngaio a Hikelok e tuwhera ana i te ipurangi mō ngā hāora 24.
Wā tuku: Hurae-22-2025