I-F4/F5 GGG50 PN10 PN16 Z45X Gate Valve uhlobo lweflange olungenasikhondo esinyukayo oluthambileyo olutywinwayo oluthambileyo lwe-ductile cast iron gate valve

Inkcazo emfutshane:

Ivalvu yesango ilawula ukuhamba kwemidiya ngokuphakamisa isango (livule) nangokulihlisa isango (livaliwe). Uphawu olucacileyo lwevalvu yesango yindlela ethe tye engaphazanyiswa, ebangela ukulahleka koxinzelelo oluncinci phezu kwevalvu. Imbobo engaphazanyiswayo yevalvu yesango ikwavumela indlela yehagu kwiinkqubo zokucoca imibhobho, ngokungafaniyo neevalvu zebhabhathane. Iivalvu zesango ziyafumaneka ngeendlela ezininzi, kubandakanya ubungakanani obahlukeneyo, izixhobo, umlinganiselo wobushushu kunye noxinzelelo, kunye noyilo lwesango kunye nebhonethi.

Ivalvu yoLawulo lwaseTshayina esemgangathweni olungileyo kunye nevalvu yokumisa, Ukuze sifezekise injongo yethu "yokuxhamla kuqala kubathengi kunye nokuxhamla kunye" kwintsebenziswano, siseka iqela lobunjineli elikhethekileyo kunye neqela lokuthengisa ukubonelela ngenkonzo engcono ukwanelisa iimfuno zabathengi bethu. Siyakwamkela ukuba usebenzisane nathi kwaye ujoyine nathi. Siye saba lolona khetho lubalaseleyo kuwe.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Ivalvu yeSango eliHlangeneyoIzinto ezisetyenzisiweyo ziquka intsimbi yekhabhoni/intsimbi engatyiwayo/intsimbi ethambileyo. Izinto ezisetyenziswayo: Igesi, ioyile yobushushu, umphunga, njl.njl.

Ubushushu beMedia: Ubushushu obuphakathi. Ubushushu obusebenzayo: -20℃-80℃.

Ububanzi obuqhelekileyo: DN50-DN1000. Uxinzelelo oluqhelekileyo: PN10/PN16.

Igama lemveliso: I-Flanged type non-rising stem soft sealing ductile cast iron Gate valve.

Inzuzo yemveliso: 1. Izinto ezigqwesileyo zitywinwa kakuhle. 2. Ukufakelwa lula kukumelana nokuhamba kwamanzi okuncinci. 3. Ukusebenza kwe-turbine okonga umbane.

 

Iivalvu zesango ziyinxalenye ebalulekileyo yamashishini ahlukeneyo, apho ulawulo lokuhamba kolwelo lubalulekile. Ezi valve zibonelela ngendlela yokuvula okanye ukuvala ngokupheleleyo ukuhamba kolwelo, ngaloo ndlela zilawula ukuhamba kolwelo kwaye zilawula uxinzelelo ngaphakathi kwenkqubo. Iivalvu zesango zisetyenziswa kakhulu kwimibhobho ethutha ulwelo olufana namanzi neoyile kunye neegesi.

Iivalvu zesango le-NRSzibizwa ngegama loyilo lwazo, oluquka umqobo ofana nesango ohamba phezulu nasezantsi ukulawula ukuhamba kwamanzi. Amasango ahambelana necala lokuhamba kwamanzi ayaphakanyiswa ukuvumela ukuhamba kolwelo okanye athotywe ukuze kuthintelwe ukuhamba kolwelo. Olu yilo lulula kodwa olusebenzayo luvumela ivalvu yesango ukuba ilawule ukuhamba kwamanzi ngokufanelekileyo kwaye iyivale ngokupheleleyo inkqubo xa kuyimfuneko.

Inzuzo ephawulekayo yeevalvu zesango kukuncipha koxinzelelo lwazo. Xa zivuliwe ngokupheleleyo, iivalvu zesango zibonelela ngendlela ethe tye yokuhamba kolwelo, nto leyo evumela ukuhamba kolwelo okuphezulu kunye nokuhla koxinzelelo oluphantsi. Ukongeza, iivalvu zesango zaziwa ngokukwazi kwazo ukuvala ngokuqinileyo, ukuqinisekisa ukuba akukho kuvuza kwenzekayo xa ivalvu ivaliwe ngokupheleleyo. Oku kuzenza zilungele ukusetyenziswa okufuna ukusebenza ngaphandle kokuvuza.

Iivalvu zeSango ezihleli ngerabhazisetyenziswa kwiintlobo ngeentlobo zamashishini, kuquka ioyile negesi, unyango lwamanzi, iikhemikhali kunye nezityalo zamandla. Kwishishini leoyile negesi, iivalvu zesango zisetyenziselwa ukulawula ukuhamba kweoyile ekrwada kunye negesi yendalo ngaphakathi kwimibhobho. Izityalo zonyango lwamanzi zisebenzisa iivalvu zesango ukulawula ukuhamba kwamanzi ngeenkqubo ezahlukeneyo zonyango. Iivalvu zesango zikwasetyenziswa rhoqo kwizityalo zamandla, zivumela ulawulo lokuhamba komphunga okanye i-coolant kwiinkqubo zeturbine.

Nangona iivalvu zesango zineengenelo ezininzi, zikwanazo nemida ethile. Enye ingxaki enkulu kukuba zisebenza kancinci xa kuthelekiswa nezinye iintlobo zeevalvu. Iivalvu zesango zifuna ukujika okuphindaphindiweyo kwevili lesandla okanye i-actuator ukuze zivuleke okanye zivale ngokupheleleyo, nto leyo enokuthabatha ixesha elide. Ukongeza, iivalvu zesango zisengozini yokonakala ngenxa yokuqokelelwa kwenkunkuma okanye izinto eziqinileyo kwindlela yokuhamba, nto leyo ebangela ukuba isango livaleke okanye libambeke.

Ngamafutshane, iivalvu zesango ziyinxalenye ebalulekileyo yeenkqubo zoshishino ezifuna ulawulo oluchanekileyo lokuhamba kolwelo. Amandla ayo okutywina anokuthenjwa kunye nokunciphisa uxinzelelo oluncinci kwenza ukuba kube yinto eyimfuneko kumashishini ahlukeneyo. Nangona zinemida ethile, iivalvu zesango ziyaqhubeka nokusetyenziswa kakhulu ngenxa yokusebenza kakuhle kunye nokusebenza kakuhle ekulawuleni ukuhamba kolwelo.

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