Ko te hononga flanged he tinana takirere me ngā flanges i ngā pito e rua, e rite ana ki ngā flanges i runga i te paipa, mā te whakapuru i te flanges kua tāutahia ki roto i te paipa. Ko te hononga flanged te momo hononga takirere e whakamahia whānuitia ana. He pūkohu (RF), he papa (FF), he pūkohu me he kōpiko (MF) ngā flanges me ētahi atu pūwāhi. E ai ki te āhua o te mata hononga, ka taea te wehewehe ki ēnei momo:
(1) momo maeneene: mō te takirere iti te pēhanga. He watea ake te tukatuka;
(2) momo kōpiko me te momo pūkopiko: te pēhanga mahi teitei, ka taea te whakamahi i te gasket mārō;
(3) momo awaawa tenon: ka taea te whakamahi whānuitia te gasket me te nui o te kirihou i roto i ngā pāpāho waikura, ā, he pai ake te pānga hiri;
(4) momo awaawa trapezoidal: mowhiti whakarewa porotītaha hei gasket, e whakamahia ana i roto i te pēhanga mahi takirere ≥64 kg/cm2, i te takirere pāmahana teitei rānei;
(5) Momo karāhe: he rite te āhua o te hiri ki te karāhe, he mea hanga ki te konganuku. E whakamahia ana mō ngā takirere pēhanga teitei me te pēhanga mahi ≥ 100kg/cm2, ngā takirere pāmahana teitei rānei;
(6) Momo mowhiti-O: he momo hononga flange hou tēnei, ā, nā te putanga mai o ngā momo mowhiti-O rapa katoa, ā, kua whakawhanakehia, he pono ake te pānga hiri i te gasket papatahi whānui.
(1) Hononga whakapiri-puku: ka tukatukahia ngā pito e rua o te tinana takirere hei awaawa whakapiri-puku kia rite ki ngā whakaritenga o te whakapiri-puku, e rite ana ki te awaawa whakapiri paipa, ā, ka whakapūmauhia ki te paipa mā te whakapiri.
(2) hononga whakarewa kōhao: ka tukatukahia ngā pito e rua o te tinana takirere kia rite ki ngā whakaritenga o te whakarewa kōhao, ā, ka honoa ki te paipa mā te whakarewa kōhao.
He tikanga hononga watea te hononga miro, ā, he maha ngā wā e whakamahia ana mō ngā takirere iti. Ka tukatukahia te tinana takirere kia rite ki te miro paerewa, ā, e rua ngā momo miro o roto me te miro o waho. E rite ana ki te miro o te paipa. E rua ngā āhuatanga o te hononga miro:
(1) hiri tika: he mahi hiri tika tā ngā miro o roto, o waho hoki. Hei whakarite kia kore e turuturu te hononga, he maha ngā wā ka whakamahia te hinu mata, te hemp me te whitiki whakakī rauemi mata PTFE; i roto i ēnei, he whānuitia te whakamahinga o te whitiki rauemi mata PTFE. He pai te ātete ki te waikura o tēnei rauemi, he pai te pānga hiri, he ngāwari ki te whakamahi me te pupuri, ka taea te tango katoa ina wetewetehia, nā te mea he paparanga kiriata kore-mataku, he pai ake i te hinu mata, te hemp.
(2) hiri ā-kore: ka tukuna te kaha o te whakakīkī tīwiri ki te gasket i waenganui i ngā papa e rua, kia whai wāhi ai te gasket ki te hiri.
E rima ngā momo miro e whakamahia whānuitia ana:
(1) Miro noa ine;
(2) Miro noa inihi;
(3) Miro paipa hiri;
(4) miro paipa hiri kore-miro;
(5) Ngā miro paipa paerewa o Amerika.
Ko te kupu whakataki whānui e whai ake nei:
① Paerewa ā-ao ISO228/1, DIN259, mō te miro whakarara ā-roto, ā-waho hoki, waehere G, PF rānei (BSP.F);
② Paerewa Tiamana ISO7/1, DIN2999, BS21, mō te kōne niho o waho, te miro niho o roto whakarara, waehere BSP.P, RP/PS rānei;
③ Paerewa Piritana ISO7/1, BS21, miro whakarara ā-roto, ā-waho hoki, waehere PT, BSP rānei.TR, RC rānei;
④ Ko te paerewa Amerikana ANSI B21, ko te miro whakarara ā-roto, ā-waho hoki, ko te waehere NPT G(PF), RP(PS), ko te koki niho RC (PT) he 55°, ko te koki niho NPT he 60°BSP.F, ko te BSP.P me te BSP.TR e kiia ana ko ngā niho BSP.
E rima ngā momo miro paipa paerewa i te Hononga o Amerika: NPT mō te whakamahinga whānui, NPSC mō ngā miro paipa ā-roto tika mō ngā hononga, NPTR mō ngā hononga tokotoko ārahi, NPSM mō ngā miro paipa tika mō ngā hononga mīhini (hononga mīhini uru kore), me NPSL mō ngā hononga mīhini uru kore me ngā nati raka. Nō te miro paipa hiri kore-miro (N: paerewa ā-motu o Amerika; P: paipa; T: Taper)
4. Hononga whakarara
Ko te mātāpono hononga me te hiri o te ringaringa, ina whakakīia te nati, ka pēhia te ringaringa, kia ngaua ai te taha ki te pakitara o waho o te paipa, ā, kia piri pū te kōne o waho o te ringaringa me te kōne o te tinana hononga i raro i te pēhanga, kia taea ai te ārai pono i te turuturu. Pērā ingā takirere taputapu.Ko ngā painga o tēnei momo hononga ko:
(1) He iti te rahinga, he māmā te taumaha, he māmā te hanganga, he ngāwari te wetewete me te huihui;
(2) he kaha te whakawhiti, he whānui te whakamahinga, ka taea te tu atu i te pēhanga teitei (1000 kg/henimita tapawha), te pāmahana teitei (650℃) me te wiri pānga;
(3) ka taea te whiriwhiri i ngā momo rauemi, e tika ana mō te ārai i te waikura;
(4) kāore i te tino tika te mahi miihini;
(5) ngāwari te tāuta i te teitei.
5. Hononga rawhi
He tikanga honohono tere tēnei e rua noa ngā pūtu e hiahiatia ana, ā, he pai hoki mō ngā takirere pēhanga iti e tangohia pinepinetia ana.
Wā tuku: 22-Pepuere-2022