Ama-valve embulunga ye-Bellows, aziwa nangokuthi ama-bellows sealed globe valves, aklanyelwe ukudala umgoqo wensimbi phakathi kwendawo ewuketshezi nomkhathi ngokushisela okuzenzakalelayo kwe-hob ukuqinisekisa ukuvuza kwesiqu esiyiziro. Uma kuqhathaniswa nevalvu yembulunga yendabuko inezinzuzo ezilandelayo:
1. I-Bellows globe valve valve impilo ende yesevisi, yehlisa inani lokulungisa, yehlise izindleko zokusebenza. Idizayini ye-bellows seal eqinile iqinisekisa ukuvuza kwe-zero stem futhi inikeza izimo zokungakhathaleli.
2. I-Valve yokuvula nokuvala i-torque incane, inciphisa umfutho wabasebenzi, futhi ingashayela noma yiluphi uhlobo lwedivayisi yokushayela, kulula ukuyilawula.
3. Ukubukeka okuhle, umzila we-valve unomugqa wokugeleza obushelelezi, unciphisa i-coefficient yokumelana nokugeleza kwe-valve, uhlobo lwemikhiqizo ephezulu yokonga amandla.
4. Uphawu lwangaphandle lwe-valve lusebenzisa i-bellows seal kanye ne-graphite, insimbi engagqwali ye-gasket seal, uphawu oluthembekile, ukusetshenziswa kwesikhathi eside akukwazi ukuthatha indawo yokupakisha ukubeka uphawu. Ekusetshenzisweni kwezimboni, i-valve yokumisa evamile ebangelwa ukuvuza: izinga lokushisa eliphezulu, elinobuthi kakhulu, elivuthayo futhi eliqhumayo, imidiya ye-radioactive nokunye, hhayi nje ukungcoliswa kwemvelo, kodwa futhi ngokuvamile kubangela ukulahlekelwa okukhulu komuntu siqu kanye nempahla. I-bellows stop valve iphephe kakhudlwana futhi izinzile, futhi izindinganiso ezithuthukile zamazwe ngamazwe zamukelwa ngokuqinile ekwakhiweni nasekukhiqizeni.
Izinzuzo kanye nokusetshenziswa kwe-valve ye-globe bellows
I-Bellows stop valve ayivuzi, esetshenziswa kumidiya enobungozi obukhulu iphephile uma kuqhathaniswa.
Ama-valve embulunga ajwayelekile avalwa ngokupakishwa, phakathi kwesiqu kanye nokupakisha kuzoshelela, ukuvuza kalula ekushiseni okuphansi (spool).
I-Bellows globe valve inganwetshwa futhi icindezeleke izimbongolo zophawu esikhundleni sokupakisha uphawu, ingavimbela ngempumelelo ukulahleka kokupakisha okubangelwa ukuvuza kwangaphandle. Ngokuvamile esetshenziselwa ukudluliswa kwe-medium enamandla ekwazi ukungena, njenge-valve ohlelweni lwe-hydrogen, inqobo nje uma izifutho zingonakalisiwe, ngokuvamile akukho ukuvuza; Nevalvu yembulunga ejwayelekile epakishwayo ukuze ivalwe, ukuvuza kalula.
Lolu hlobo lwe-valve stem yokuvula noma ukuvala i-stroke lufushane kakhulu, futhi lunomsebenzi wokusika onokwethenjelwa kakhulu, futhi ngenxa yokuguqulwa kwesihlalo se-valve ngokusebenzisa i-stroke ye-disc ilingana ngokuqondile nobuhlobo, ifaneleka kakhulu ekulawuleni ukugeleza. Ngakho-ke, lolu hlobo lwe-valve lufaneleka kahle ukusika noma ukulawula nokusetshenziswa kwe-throttling.
Isikhathi sokuthumela: Apr-26-2023
