Iyo yekugadzira nzira yePVC bhora vharafu ine anotevera matanho.
A. Ita imwe-chidimbu chevhavha core iyo yakagadzikana inobatanidza hunde yevharuvhu uye bhora revharuvhu;
B. Isa bhora revharuvhu repakati pepakati pevharuvhu uye chikamu chetsinde yevharuvhu chakabatana nebhora revharuvhu muforoma yekugadzira muviri wevharuvhu bhora;
C. Kupisa uye kunyungudutsa zvinhu zvepurasitiki;iyo yepurasitiki bhora vharafu muviri inoumbwa mushure mekutonhora muforoma.
Rutivi rumwe norumwe rweplastic ball valve body rine buri rekuti pane bhora.Pamusoro pemuviri wevharuvhu ine stem yekuwedzera yekubuda.
Mushure mekunge muviri wevharuvhu wepurasitiki watonhodzwa uye waumbwa, chikamu chinobatanidza chebhora netsinde yevharuvhu yepakati-yevhavhavha yepakati inovharirwa zvachose mumutumbi wepurasitiki bhora.Iro dzinde repakati pevhavhavhavha yechidimbu chimwe rinoenda kunze kubva paburi redzinde riri pamusoro pemuviri wevharuvhu yepurasitiki, ukuwo bhora rechikamu chimwe chevharuvhu rakabatana kana kuti rine mukaha mukati memuviri wevharuvhu. epurasitiki bhora vharafu muviri.Imwe yemazaru epamativi ese yakabatana nevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhahuvanemuburi,uye neburi revhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhangananekuyerera mumutumbi wepurasitiki valve.
In nhanho a, iyo-chidimbu-chidimbu chevhavha musimboti inogona kugadzirwa nezvinhu zvakasiyana.Semuenzaniso, kana simba revhavha yevhavha imwe chete ichidiwa kuti isvike pachiyero chepamusoro, imwe-chidimbu chevhavha yevhavha inogona kugadzirwa nezvinhu zvesimbi;kana imwe-chidimbu chevhavha yepakati ichidikanwa kuve yakareruka, isingadziviriri, uye iri nyore kugadzirisa, iyo-chidimbu chevhavha yepakati inogona kugadzirwa nezvinhu zvepurasitiki.Kana imwe-chidimbu chevhavha yepakati iine simba rakawanda uye kusagadzikana kwekuora, iyo-chidimbu chevhavha yepakati inogona kugadzirwa nepurasitiki zvinhu;apo imwe-chidimbu chevhavha yepakati inoda corrosion resistance, iyo-chidimbu chevhavha yepakati inogona kugadzirwa nepurasitiki zvinhu.Iyo spool yemuviri inogonawo kugadzirwa nezvinhu zvakasanganiswa.Musanganiswa wezvinhu pano unoreva chinhu chinoumbwa nezvinhu zviviri kana kupfuura, sechinhu chinoumbwa nepurasitiki chakaputirwa nesimbi, kana chinhu chakaumbwa chakaputirwa nematanda akasiyana epurasitiki.Panguva imwecheteyo, tsinde yevharuvhu uye bhora revhavha rinogonawo kugadzirwa nezvimwe zvinhu, senge ceramics.Ehe, iro tsinde yevharuvhu uye bhora revhavha rinogonawo kugadzirwa nezvinhu zviviri zvakasiyana.Semuenzaniso, simbi-plastic composite valve core inogona kugadzirwa kubva kusimbi skeleton uye yepurasitiki yekupfeka iyo inopfeka simbi skeleton.
Munhanho b, kuitira kumisikidza chimiro chekuisa chisimbiso pakati pehunde yevharuvhu uye muviri wevharuvhu mune inotevera kugadziridzwa kwevhavhavha yebhora, bhokisi rekuzadza rinoisa pane imwe-chidimbu chevhavha core uye valve stem inogonawo kuiswa muforoma. gadzira epurasitiki bhora vharafu muviri kuti uwane Filler bhokisi kuisa uye kuzadza bhokisi kuiswa kune yakaumbwa epurasitiki bhora vharafu miviri.
In nhanho c, nekuita jekiseni rekugadzira pamushini wekuumba jekiseni (zvechokwadi dzimwe nzira dze thermoplastic dzekuumba hadzina kuisirwa), maitiro ekudziya, kunyungudutsa uye kutonhora zvinhu zvepurasitiki muforoma kuti igadzire muviri wepurasitiki wevhavhavhavha inogona kupedzwa zviri nyore. .Nekuti jekiseni kuumba kunogona kuvandudza kukurumidza uye kurongeka kwekugadzira uye kuve nechokwadi chekwakakodzera chiyero chezvigadzirwa, inokodzera kugadzirwa kwakakura kwemaindasitiri.
Uye zvakare, mudanho c, zvinokurudzirwa kushandisa polyethylene zvinhu kugadzira epurasitiki bhora vharafu muviri, asi zvinhu zvekugadzira epurasitiki valve muviri haangogumiri kune polyethylene zvinhu.Semuenzaniso, polypropylene, polyvinyl chloride, ABS uye zvimwe zvinhu zvepurasitiki zvinogona kushandiswa kugadzira epurasitiki bhora mavharuvhu miviri.Panguva imwecheteyo, iyo yepurasitiki bhora vharafu muviri inogona zvakare kuve yepurasitiki bhora vharafu muviri ine furemu inoumbwa nesimbi kana zvimwe zvinhu.
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Nguva yekutumira: Oct-13-2022
