Sezvinoratidzwa nezita racho, shinda yepombi inoreva shinda inoshandiswa papombi. Pano, shinda iyi inoreva shinda yezita. Sezvo rudzi urwu rwepombi ruchinzi shinda yezita, shinda yepombi chaizvoizvo ishinda yezita. shinda dzepombi, senzira yekubatanidza pombi, dzinoshandiswa zvakanyanya pakubatanidza nekuvhara mapaipi madiki nepakati anotakura mvura nemagasi. Kune mhando nhatu dzakajairika dzeshinda dzepombi. Idzi ndidzo: shinda yeNPT, shinda yeBSPT, uye shinda yeBSPP.
Misiyano mikuru pakati pemhando nhatu dzetambo:
| Shinda yepombi | Angle | Taper/Parellel | Kumusoro & Pazasi | Fomu rekuisa chisimbiso | Zvakajairika |
| NPT | 60° | Yakatetepa | Pamusoro pakati sandara, pasi pakati sandara | Muzadzisi | ASME B1.20.1 |
| BSPT | 55° | Yakatetepa | Kumusoro kwakatenderera, pasi pakatenderera | Muzadzisi | ISO7-1 |
| BSPP | 55° | Parellel | Kumusoro kwakatenderera, pasi pakatenderera | Gasket | ISO228-1 |
Nheyo dzekuvhara uye nzira dzekuvhara dzemhando nhatu dzetambo dzepombi
Ingava shinda yepombi yakavharirwa ye55° (BSPT) kana shinda yepombi yakavharirwa ye60° (NPT), shinda yekuvhara inofanira kuzadzwa ne medium panguva yekukurunga. Kazhinji, tepi yekuvhara yePTFE inoshandiswa kuputira shinda yekunze, uye huwandu hwema wraps hunosiyana kubva pa4 kusvika ku10 zvichienderana nehukobvu hwetepi yekuvhara yePTFE. Kana mukaha uri pakati pepamusoro nepasi pezino wakatarisana, unosimba nekusimba kwetambo yepombi. Tambo dzemukati nedzekunze dzinodzvanywa, kutanga kubvisa mukaha uri pakati pemativi akadzvanywa. Zvadaro, sezvo simba rekusimbisa richiwedzera, pamusoro pezino unova wakapinza zvishoma nezvishoma, pasi pezino unova wakapfava zvishoma nezvishoma, uye mukaha uri pakati pepamusoro pezino nepasi pezino unonyangarika zvishoma nezvishoma, zvichizadzisa chinangwa chekudzivirira kubuda. Kana paine kuchinja kana kupindirana pakati pepamusoro nepasi pezino, vanotanga vadzvanya, zvichiita kuti pamusoro pezino pave pakapfava zvishoma nezvishoma uye pasi pezino pave pakapinza zvishoma nezvishoma, uye ipapo kubatana kweparutivi pezino uye zvishoma nezvishoma kubvisa mukaha. Nokudaro kuwana basa rekuvhara shinda yepombi.
Thread yepipe isina kuvharwa ye55° (BSPP) pachayo haina basa rekuvhara, uye thread iyi inongoshanda sekubatanidza chete. Saka, gasket yekuvhara inodiwa kuti uvhare face. Kune mhando mbiri dzekuvhara face: imwe ndeyekushandisa gasket rakati sandara pamucheto wetambo yemurume, uye imwe ndeyekushandisa gasket yakasanganiswa (gasket yepurasitiki yakanyungudutswa padivi remukati memhete yesimbi) pamucheto wetambo yemukadzi.
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Nguva yekutumira: Chikunguru-22-2025