Kāore e taea te wehe i te hanganga o te pūnaha wai ahumahi mai i tengā taputapu paipahei hononga. I roto i ngā momo whakamahinga pēnei i te taiao pēhanga teitei, ngā āhuatanga mahi tino kino, te kawe hau-wai kino rānei, ka kitea te ahua iti o ngā hononga miro i ngā wāhi katoa. Ko tā rātou mahi tino pai ki te ātete ki te pēhanga, te ātete ki te wiri me te hiri ka āwhina i te pūnaha wai kia mahi haumaru ake, kia pumau ake hoki, kia pono ai, kia whakamahia hoki e te tini o te tangata.
Hei hanga i tētahi pūnaha wai haumaru, ko te kaupapa matua ko te whiriwhiri i te miro tika. Ki te hiahia koe ki te whiriwhiri i te miro tika, me tautuhi tuatahi koe i a ia.
Ngā momo miro noa o Hikelok
E rua ngā momo miro e whakamahia whānuitia ana e Hikelok, ko tētahi he miro hono, e wehea ana ki te miro M me te miro UN, ā, ko tētahi he miro paipa, e wehea ana ki te miro NPT, te miro BSPP me te miro BSPT. Ko te nuinga o tēnei pepa e aro ana kimiro paipahei tauira.
Ngā momo miro paipa
(1) Miro NPT(Miro Paipa Paerewa ā-Motu o Amerika), mā te whakamahi i te paerewa ASME B1 20.1, ko te koki kōtaha niho he 60°, ko te tihi me te raro o te niho kei roto i te āhua papatahi, ā, ko te taper o te miro koeko he 1 ∶ 16, e kiia ana ko te miro taper.
(2) Miro BSPP, e rite ana ki te miro G (British Standard Parallel Pipe), e whakamahi ana i te paerewa ISO 228-1, ko te koki kōtaha niho he 55 °, ko te tihi me te raro o te niho he āhua pewa, ā, ko te miro o roto me waho he miro paipa porotaka, e kiia ana ko te miro whakarara.
(3) Miro BSPT, e rite ana ki te miro R (miro paipa hiri whānui o Peretānia), e whakamahi ana i te paerewa ISO 7-1, ko te koki kōtaha niho he 55 °, ko te tihi me te raro o te niho he pewa porowhita, ā, ko te taper o te miro koeko he 1∶16. E mōhiotia whānuitia ana ko te miro taper.
Me pēhea te whakaū i ngā whakaritenga o ngā miro paipa e toru
Mai i ngā kōrero o runga ake nei, ka taea e tātou te mōhio ka taea hoki te whakarōpū i ngā miro paipa ki ngā wāhanga e rua: te miro whakarara me te miro whakarara. Nō reira, i te wā e wehewehe ana i ngā miro, me wehewehe tuatahi tātou mēnā he miro whakarara, he miro whakarara rānei.
Te tautuhi tuatahi
Ka taea te whakatau tuatahi i runga i te mea he miro whakarara te miro. Whakamahia he caliper vernier hei ine i te diameter i waenga i ngā pito niho o te miro tuatahi, tuawhā me te miro whakamutunga, e ai ki te tūranga e whakaaturia ana i te pikitia i raro nei. Mēnā ka piki haere, ka heke haere rānei te diameter, he tohu tēnei he miro whakarara te miro, he miro BSPT, he miro NPT rānei i roto i te miro whakarara. Mēnā he ōrite ngā diameter katoa, he tohu tēnei kāore he miro whakarara o te miro, ā, he miro BSPP whakarara.
Whakaū anō
Kotahi anake te miro BSPP mō te miro whakarara, nō reira me wehewehe anō mēnā he miro BSPT, he miro NPT rānei i roto i te miro kōniko.
Te ine i te koki o te kōtaha niho: i aromatawaitia i runga i te koki o te kōtaha niho, te miro BSPT me te koki kōtaha niho o te 55° me te miro NPT me te koki kōtaha niho o te 60°.
Miro BSPT Miro NPT
Tirohia te āhua o te niho: aromatawaihia i runga i te āhua o te tihi niho me te raro niho. Kei te tihi porowhita me te raro porowhita te miro BSPT, ā, kei te tihi papatahi me te raro papatahi te miro NPT.
Miro BSPT Miro NPT
Te whakataunga whakamutunga
E hiahiatia ana ngā taputapu e rua e whai ake nei hei whakaū tika i te momo miro.
Tikanga 1: whakamahia te ine miro, ka tīpako i te ine miro e rite ana hei whakaū whakamutunga. Ka whiria pai te miro ine ki te ine miro. Mena ka paahitia ngā ture tirotiro ine miro e rite ana, ko te whakatakotoranga miro ko te whakatakotoranga tuturu o te miro i inehia.
Tikanga 2: whakamahia te ine niho, ka tīpako i te ine niho e rite ana hei whakatairite kia tino uru te ine niho ki te miro i inehia, kātahi ka ko te whakatakotoranga miro te whakatakotoranga tuturu o te miro i inehia.
Haunga ngā tikanga o runga ake nei, ka taea hoki e tātou te tirotiro i ngā paerewa miro e rite ana o ngā miro e toru i muri i te ine i te diameter o te karauna miro me te caliper vernier me te aromatawai i te miro taper me te miro whakarara, ā, ka kitea te whakatakotoranga miro me te diameter o te karauna miro rite ki te miro i inehia i roto i te paerewa miro hei whakaū anō, engari me āwhina tonu te ine miro me te ine niho ki te whakatau whakamutunga.
I te hoko i ngā hononga paipa Hikelok, he mea pai kia tāutahia, kia whakamahia ngātahitia hoki me ngā takirere whakahaere Hikelok. Ka taea e koe te whiriwhiritakirere ngira, takirere pōro, takirere whakaora ōrite, takirere ine, takirere tirotiro, ngā manifold takirere, pūnaha tauira, me ētahi atu, kia haumaru ake ai, kia whai hua ake ai hoki te hononga o te pūnaha wai.
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: Maehe-28-2022