Njengecandelo lokhuseleko loxinzelelo olugqithisileyo, umgaqo weivelufa yoncedo olulinganayokukuba xa uxinzelelo lwenkqubo ludlula ixabiso loxinzelelo olubekiwe, i-valve stem iphakama ukukhulula uxinzelelo lwenkqubo, ngaloo ndlela ikhusela inkqubo kunye namanye amacandelo kumonakalo.
Ngenxa yesidingo sokugcina ukutywinwa phantsi koxinzelelo oluqhelekileyo, i-valve yokunceda ngokulinganayo idinga isitywina sokuqala. Xa i-overpressure ikhutshwe, i-valve yokunciphisa i-proportional idinga ukutywina uxinzelelo kumjelo wokukhulula, odinga uphawu lwesibini. Omabini amatywina aphunyezwa ngesixhobo sokutywina esisebenza kwisiqu sevalve, ethi yona isebenze ngokuthe ngqo kunye neelestiki. Ukunyanzeliswa kokutywinwa kuya kuchaphazela ngokuqinisekileyo i-valve stem, okukhokelela kumaxabiso okukhutshwa koxinzelelo olungazinzanga.
Uyilo lolawulo oluchanekileyo lwe-RV4
ITywina lokuQala
Itywina lokuqala liyilwe njengesitywina soqhagamshelwano olusicaba, oluthintela impembelelo yokumelana nokutywinwa kwisiqu sevalve. Ngelo xesha, amandla angaphezulu kwe-valve stem ayanda, ukwenzela ukuba utshintsho oluncinci lwexinzelelo lunokwandiswa, ukwandisa impendulo efanelekileyo kunye nokuphucula uvakalelo lwe-valve.
ITywina leSibini
Elesibini itywina, iivalve yoncedo olulinganayo RV4, ihambisa ngokuthe ngqo ngaphandle komda wasentwasahlobo, kubandakanywa nentwasahlobo, ukwenzela ukuba i-spring isebenze ngokuthe ngqo kwi-valve stem ngaphandle kokudibanisa ukutywinwa, ukuphucula kakhulu ukuchaneka kokulawula kwevalve.
Yahlula isithuba soLawulo loxinzelelo
Ngokulungiswa kwezitywina ezimbini, ukuchaneka kwe-valve yokunceda i-RV4 ngokuthe ngqo kuxhomekeke ekuchanekeni kwentwasahlobo. Ukuze kuphuculwe ngakumbi ukuchaneka kokulawulwa kwevalve ngoxinzelelo, umyili we-Hikelok wahlula uluhlu lolawulo loxinzelelo kwizihlandlo ezibini ezinkulu kwaye wayila intwasahlobo eyona nto ifanelekileyo kwithuba ngalinye, ukwenzela ukuba uluhlu olusebenzayo lwentwasahlobo nganye lulawulwa kwixesha layo elizinzile, ngakumbi ukufezekisa ulawulo oluchanekileyo loxinzelelo.
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Ixesha lokuposa: Nov-11-2025