Bambanci tsakanin shuru da bawul ɗin binciken shiru ya dogara da matakin shiru.Yin shiru bawul ɗin dubawakawai kawar da hayaniya da rage hayaniya.Bawul ɗin duba shiruna iya yin garkuwa kai tsaye da kuma kashe sautin lokacin amfani da shi.
Shiru duba bawuloliana amfani da su ne akan bututun tsarin ruwa kuma ana sanya su a bakin famfon na ruwa.Ya ƙunshi bawul jiki, bawul diski, bawul tushe, spring da sauran sassa.Ƙarfin rufewa gajere ne kuma saurin gudu baya ƙarami a lokacin rufewa.Hatimin diski na bawul yana ɗaukar hatimi mai laushi na roba, kuma dawowar bazara yana sa bawul ɗin buɗewa ya rufe ba tare da tasiri ba, yana rage amo da tasirin guduma na ruwa, don haka ana kiran shi bawul ɗin duba shiru.Bawul ɗin sa yana ɗaukar tsarin ɗagawa kuma nau'in bawul ɗin dubawa ne.
Yin shiru cak cakana shigar da su a tsaye.Don maƙallan bawul ɗin jagora mai gefe biyu, kuma ana iya shigar da su a kwance.Koyaya, don manyan bawul ɗin diamita, nauyin kai na diski ɗin bawul ɗin yana da girman gaske, wanda zai haifar da lalacewa ta gefe akan hannun rigar jagora, kuma a cikin lokuta masu tsanani yana shafar tasirin hatimi.Sabili da haka, ana bada shawara don shigarwa a tsaye don manyan bawuloli na diamita.
Bawul ɗin duba shiru kuma mai suna axial flow check valve, na'ura ce mai mahimmanci da aka sanya a mashin famfo ko kwampreso don hana matsakaicin koma baya.Saboda bawul ɗin dubawa na axial yana da halaye na ƙarfin kwarara mai ƙarfi, ƙaramin juriya mai ƙarfi, ƙirar kwarara mai kyau, amintaccen hatimi kuma babu guduma na ruwa lokacin buɗewa da rufewa.Ana shigar da shi a mashigar ruwa na famfon ruwa kuma ana iya rufe shi da sauri kafin ruwan ya koma baya., Don guje wa guduma ruwa, sautin guduma na ruwa da mummunan tasiri don cimma tasirin shiru.Saboda haka, an yi amfani da shi sosai a cikin bututun mai da iskar gas mai nisa, tashar makamashin nukiliya babban samar da ruwa, compressors da manyan famfo a cikin manyan tsire-tsire na ethylene, da dai sauransu.
Yawanci ya ƙunshi jikin bawul, wurin zama, faifan bawul, bazara, sandar jagora, hannun riga, murfin jagora da sauran sassa.Ya kamata a daidaita yanayin ciki na jikin bawul, murfin jagora, diski na bawul da sauran wuraren da ke wucewa don saduwa da tsarin ƙirar hydraulic, kuma ya kamata a zagaye a gaba kuma a nuna a baya don samun mafi kyawun hanyar ruwa.Ruwan yana aiki da farko kamar yadda laminar ke gudana a samansa, ba tare da ƙaranci ko rashin tashin hankali ba.Ramin ciki na jikin bawul shine tsarin Venturi.Lokacin da ruwa ke gudana ta hanyar tashar bawul, a hankali yana raguwa kuma yana faɗaɗawa, yana rage haɓakar haɓakar igiyoyin ruwa.Rashin matsi yana karami, tsarin tafiyar ya kasance barga, babu cavitation, da ƙananan amo.
Ana iya shigar da shi a kwance da kuma a tsaye.Lokacin da aka shigar da babban diamita a kwance, sandar jagora ya kamata ta ɗauki tsarin jagora guda biyu don guje wa lalacewa da yawa a gefe ɗaya na hannun rigar jagora da sandar jagora ta haifar da nauyin diski na bawul.Wannan yana haifar da tasirin rufe diski ɗin bawul ɗin don raguwa kuma ƙarar ƙara lokacin rufewa.
Bambanci tsakanin Silencing check valves da Silent check valves:
1. Tsarin bawul ya bambanta.Tsarin bawul ɗin duba shiru yana da ɗan sauƙi, kuma bawul ɗin duba tashar kwarara yana da tsari na al'ada.Tsarin bawul ɗin duba kwararar axial ya ɗan fi rikitarwa.Ramin ciki na jikin bawul shine tsarin Venturi tare da jagorar gudana a ciki.An daidaita fuskar gaba ɗaya.Sauye-sauye mai sauƙi na tashar tashoshi yana rage raƙuman ruwa kuma yana rage yawan juriya.
2. Tsarin ƙwanƙwasa ƙwanƙwasa bawul ɗin ya bambanta.Bawul ɗin dubawa na shiru yana ɗaukar maɓallin bawul mai laushi mai laushi, kuma gabaɗayan bawul core an rufe shi da roba, ko kujerar bawul ɗin an rufe shi da zoben roba.Axial flow check valves na iya amfani da hatimin ƙarfe mai wuyar hatimi da igiya mai ƙarfi, ko sifofi mai laushi da wuyar hatimi.Wurin rufewa ya fi ɗorewa kuma yana tsawaita rayuwar sabis.
3. Yanayin aiki masu dacewa sun bambanta.Ana amfani da bawul ɗin duba shuru musamman a cikin bututun zafin jiki na yau da kullun kamar tsarin ruwa, tare da matsananciyar matsi PN10--PN25 da diamita DN25-DN500.Kayan aiki sun haɗa da simintin ƙarfe, simintin ƙarfe, da bakin karfe.Ana amfani da bawul ɗin dubawa na axial a cikin aikace-aikace da yawa, daga iskar iskar gas mai ƙarancin zafin jiki na -161°C zuwa tururi mai zafi.Matsin lamba PN16-PN250, Matsayin Amurka Class150-Class1500.Diamita DN25-DN2000.