He maha ngā hoa kāore e mārama ki te whanaungatanga i waenga i ngā whakaritenga o te "DN",Φ"me te """. I tēnei rā, ka whakarāpopototia e au te whanaungatanga i waenganui i te tokotoru māu, me te tumanako ka āwhina i a koe!
"he aha te inihi"
Ko te inihi (“) he waeine whakatakotoranga e whakamahia whānuitia ana i roto i te pūnaha o Amerika, pērā i ngā paipa maitai,ngā takirere, ngā flange, ngā tuke, ngā papu, ngā tī, me ētahi atu, pērā i te whakatakotoranga he 10″.
Ko te tikanga o te kupu "inihi" (he inihi, he whakarāpopototanga pēnei i te "inihi") he koromatua i roto i te reo Tatimana, ā, ko te inihi te roa o te koromatua. He rerekē anō hoki te roa o te koromatua. I te rautau 14, i whakatinanahia e Kingi Edward II te "Inihi Ture Paerewa". Ko te whakaritenga ko te roa o ngā witi nui e toru i tīpakohia mai i waenganui o ngā puku parei, ā, i whakaritea kia rarangi, he kotahi inihi.
Ko te tikanga 1″=2.54cm=25.4mm
He aha te DN?
Ko te DN tētahi waeine whakatakotoranga e whakamahia whānuitia ana i roto i ngā pūnaha Haina me Ūropi, ā, koia anō hoki te whakatakotoranga mō te tohu i ngā paipa,ngā takirere, ngā flange, ngā hononga, me ngā papu, pērā iDN250.
Ko te DN e pā ana ki te diameter ingoa o te paipa (e mōhiotia ana ko te diameter ingoa), kia mōhio: ehara tēnei i te diameter o waho, ehara hoki i te diameter o roto, engari ko te toharite o te diameter o waho me te diameter o roto, e kiia ana ko te diameter o roto toharite.
He aha te meaΦ
Φ he waeine noa, e pā ana ki te diameter o waho o ngā paipa, o ngā tuke rānei, o te maitai porowhita me ētahi atu rauemi.
Nā, he aha te hononga i waenganui i a rātou?
Tuatahi, he tata rite tonu ngā tikanga kua tohua e te """ me te "DN". Ko te tikanga matua ko te diameter ingoa, e tohu ana i te rahi o tēnei whakatakotoranga, ā,Φ ko te whakakotahitanga o ngā mea e rua.
hei tauira
Hei tauira, mēnā he DN600 te paipa maitai, mēnā ka tohua taua paipa maitai ki roto i te inihi, ka huri hei 24 inihi. He hononga kei waenganui i ngā mea e rua?
Ko te whakautu he āe! Ko te inihi whānui he tauoti, ā, ki te whakareatia tika ki te 25 ka rite ki te DN, pērā i te 1″*25=DN25, 2″*25=50, 4″*25=DN100, me ētahi atu. Heoi anō, he rerekē ngā mea pērā i te 3″*25=75. Ko te whakaawhiwhi ko te DN80, ā, he ētahi inihi me ngā ira-piko, ngā ira-ira rānei pērā i te 1/2″, 3/4″, 1-1/4″, 1-1/2″, 2-1/2″, 3-1/2″ me ētahi atu, kāore e taea te tatau pēnei, engari he rite tonu te tatau, ko te uara kua tohua:
1/2″=DN15
3/4″=DN20
1-1/4″=DN32
1-1/2″=DN40
2″=DN50
2-1/2″=DN65
3″=DN80
Te wā tuku: Hui-tanguru-03-2023
