Iivalvu zebhabhathane zifanelekile kwiipayipi ezithutha izixhobo ezahlukeneyo zolwelo ezibolayo nezingonakalisiyo kwiinkqubo zobunjineli ezifana negesi yamalahle, igesi yendalo, igesi yepetroliyam enyibilikisiweyo, igesi yesixeko, umoya oshushu nobandayo, ukunyibilikisa iikhemikhali, ukuvelisa umbane kunye nokukhuselwa kwendalo, kwaye zisetyenziselwa ukulungisa nokunqumla ukuhamba kwezixhobo.
Iivalvu zebhabhathane zifanelekile ukulawula ukuhamba kwamanzi. Ngenxa yokuba ukulahleka koxinzelelo lwevalvu yebhabhathane kumbhobho kukhulu, malunga nokuphindwe kathathu kunevalvu yesango, xa kukhethwa ivalvu yebhabhathane, impembelelo yenkqubo yombhobho ngokulahlekelwa koxinzelelo kufuneka iqwalaselwe ngokupheleleyo, kwaye ukuqina kwepleyiti yebhabhathane ukumelana noxinzelelo lwendlela yombhobho kufuneka kuqwalaselwe xa ivaliwe. Ukongeza, imida yobushushu bokusebenza kwezinto zesihlalo se-elastomeric kumaqondo obushushu aphezulu nayo kufuneka iqwalaselwe.
Ubude besakhiwo kunye nobude besakhiwo ngokubanziivalvu yebhabhathanezincinci, isantya sokuvula nokuvala siyakhawuleza, kwaye ineempawu ezilungileyo zokulawula ulwelo. Umgaqo wolwakhiwo lwevalvu yebhabhathane yeyona ifanelekileyo ekwenzeni iivalvu ezinkulu. Xaivalvu yebhabhathane kufuneka isetyenziswe ukulawula ukuhamba kwamanzi, eyona nto ibalulekileyo kukukhetha ngokuchanekileyo ubungakanani kunye nohlobo lwevalvu yebhabhathane ukuze isebenze ngokufanelekileyo nangokufanelekileyo.
Ngokwesiqhelo, xa kuqhutywa i-throttling, kufuneka ulawulo olulawulayo kunye nodaka oluphakathi, ubude obufutshane besakhiwo kunye nesantya sokuvula nokuvala esikhawulezayo (1/4r). Kucetyiswa ukuba kunqunyulwe uxinzelelo oluphantsi (uxinzelelo oluncinci oluhlukeneyo), ivalvu yebhabhathane.Ivalvu yebhabhathaneIngasetyenziswa ekulungiseni iindawo ezimbini, umjelo oncitshisiweyo, ingxolo ephantsi, ukugalela umoya kunye nokufaka igesi, ukuvuza okuncinci emoyeni, kunye nendawo yokurhawuzelela.
I-ci-oncentric ivalvu yebhabhathane ifanelekile kumanzi acocekileyo, amanzi amdaka, amanzi olwandle, amanzi anetyuwa, umphunga, igesi yendalo, ukutya, amayeza, ioyile kunye nemibhobho eyahlukeneyo ye-Acid-base kunye neminye.
Ivalvu yebhabhathane ethambileyo etywiniweyo ifanelekile ukuvula nokuvala okuneendlela ezimbini kunye nokulungisa imibhobho yokungenisa umoya kunye nokususa uthuli kwaye isetyenziswa kakhulu kwimibhobho yegesi kunye nemijelo yamanzi yesinyithi, imboni yokukhanya, umbane, kunye neenkqubo zepetrochemical.
Ixesha lokuthumela: Septemba-29-2022
