Rashin lahani na roba hatimin malam buɗe ido shi ne cewa lokacin da aka yi amfani da shi don throttling, cavitation zai faru saboda rashin amfani da ba daidai ba, haifar da roba kujera ya bawo da lalacewa.Saboda wannan dalili, an haɓaka bawul ɗin malam buɗe ido da aka rufe da ƙarfe a duniya, kuma an rage yankin cavitation.A cikin 'yan shekarun nan, ƙasata kuma ta haɓaka bawul ɗin malam buɗe ido da aka rufe da ƙarfe.A Japan, bawuloli masu siffar malam buɗe ido tare da juriyar cavitation, ƙaramar girgiza da ƙaramar amo kuma an haɓaka su a cikin 'yan shekarun nan.
Kullum, rayuwar malam buɗe ido bawul sealing wurin zama 15-20 shekaru na roba da 80-90 shekaru ga karfe karkashin al'ada yanayi.Koyaya, zaɓin daidai ya dogara da buƙatun yanayin aiki.
Dangantakar da ke tsakanin matakin buɗewa na bawul ɗin rufe bakin ƙarfe na ƙarfe da ƙimar kwararar gaske yana canzawa a layi.Idan aka yi amfani da shi don sarrafa kwararar ruwa, halayensa na gudana suma suna da alaƙa da juriyar kwararar bututun.Misali, ana shigar da bututun bututu guda biyu tare da diamita da nau'i iri ɗaya, amma adadin asarar bututun ya bambanta, kuma yawan kwararar bawul ɗin zai bambanta sosai.Idan bawul ɗin yana cikin yanayi tare da babban kewayon magudanar ruwa, bayan farantin bawul ɗin yana da haɗari ga cavitation, wanda zai iya lalata bawul ɗin.Gabaɗaya, ana amfani dashi a waje da 15°.
Lokacin da daidaitawar hatimin malam buɗe ido ya kasance a tsakiyar buɗewa, siffar buɗewa da aka kafa ta jikin bawul da ƙarshen ƙarshen farantin malam buɗe ido yana tsakiya akan mashin bawul, kuma an kafa bangarorin biyu don kammala jihohi daban-daban.Ƙarshen gaban farantin malam buɗe ido a gefe ɗaya yana motsawa zuwa hanyar ruwan da ke gudana, ɗayan kuma yana gudana a baya.Saboda haka, gefe ɗaya na jikin bawul da farantin bawul suna samar da buɗaɗɗen bututun ƙarfe, ɗayan kuma yana kama da buɗewar magudanar ruwa.Gefen bututun ƙarfe yana da saurin kwarara da sauri fiye da gefen magudanar, kuma bawul ɗin gefen magudanar zai haifar da matsananciyar Matsi, hatimin roba sau da yawa ya faɗi.
Aiki karfin juyi na karfe hatimin malam buɗe ido yana da mabambanta dabi'u saboda daban-daban budewa da kuma rufe kwatance na bawul.Bawul ɗin malam buɗe ido na kwance, musamman maɗaurin malam buɗe ido mai girma, saboda zurfin ruwa, ba za a iya yin watsi da ƙarfin wutar lantarki da aka samu ta hanyar bambance-bambancen tsakanin manyan ruwa da na ƙasa na shaft ɗin bawul.Bugu da ƙari, lokacin da aka shigar da gwiwar hannu a gefen shiga na bawul, ana samun raɗaɗi mai banƙyama kuma karfin zai karu.Lokacin da bawul ɗin ya kasance a tsakiyar buɗewa, tsarin aiki yana buƙatar zama mai kulle kansa saboda aikin motsi na ruwa.

Nortech yana ɗaya daga cikin manyan masana'antun bawul ɗin masana'antu a China tare da ingantaccen takaddun shaida ISO9001.

Manyan samfura:Butterfly Valve,Ƙwallon Ƙwallon Ƙasa,Gate Valve,Duba Valve,Globe Vavlve,Y-Strainers,Lantarki Acurator,Acurators na Pneumatic .