I-valve yesango isango lokuvula nokuvala. Indlela yokuhamba yesango i-perpendicular to the direction of the fluid. I-valve yesango ingavulwa ngokugcwele futhi ivalwe ngokugcwele, futhi ayikwazi ukulungiswa noma ukucindezelwa. I-valve yesango ivalwe ngokuthintana phakathi kwesihlalo se-valve nepuleti lesango. Ngokuvamile, indawo yokuvala izobe ibekwe phezu kwezinto zensimbi ukuze kwandiswe ukumelana nokugqokwa, njengokuvela ku-1Cr13, STL6, insimbi engagqwali, njll. Isango linesango eliqinile nesango elinwebekayo. Ngokusho kwamasango ahlukene, i-valve yesango ihlukaniswe i-valve yesango eliqinile kanye ne-valve yesango elinwebekayo.

Ingxenye yokuvula nokuvala ye-valve yesango yisango, futhi isiqondiso sokunyakaza kwesango sibhekene nesiqondiso soketshezi. I-valve yesango ingavulwa ngokugcwele futhi ivalwe ngokugcwele, futhi ayikwazi ukulungiswa noma ukucindezelwa. Isango linezindawo ezimbili zokuvala. Izindawo ezimbili zokuvala zevalvu yesango yemodi evame ukusetshenziswa kakhulu zakha umumo we-wedge. I-engeli ye-wedge iyahlukahluka nemingcele yevalvu, ngokuvamile engu-5°, no-2°52′ lapho izinga lokushisa elimaphakathi lingekho phezulu. Isango le-valve yesango le-wedge lingenziwa libe liphelele, elibizwa ngokuthi isango eliqinile; ingenziwa futhi isango elingakhiqiza inani elincane lokuguqulwa ukuze lithuthukise ubuciko bayo futhi lenze ukuphambuka kwe-angle yokuvala uphawu ngesikhathi sokucubungula. Ipuleti libizwa ngokuthi isango elinwebekayo. Lapho i-valve yesango ivaliwe, indawo yokuvala ingavalwa kuphela ngokucindezela okuphakathi, okungukuthi, ukuthembela ekucindezelweni okuphakathi ukuze ucindezele indawo yokuvala yesango ukuya esihlalweni se-valve ngakolunye uhlangothi ukuze kuqinisekiswe ukuvalwa kwendawo yokubeka uphawu, okuyi-self-sealing. Ama-valve amaningi esango avaliwe ngenkani, okungukuthi, lapho i-valve ivaliwe, isango kufanele liphoqelelwe ngokumelene nesihlalo se-valve ngamandla angaphandle ukuze kuqinisekiswe ukuqina kwendawo yokuvala. Isango levalvu yesango lihamba ngokulandelana nesiqu se-valve, esibizwa ngokuthi i-lift-rod gate valvu, eyaziwa nangokuthi i-valve yesango lenduku ekhuphukayo. Ngokuvamile, kunemicu ye-trapezoidal ku-lift rod. Ngenati elingaphezulu kwevalvu kanye negroove eqondisayo emzimbeni wevalvu, ukunyakaza okujikelezayo kuguqulwa kube ukunyakaza okulandelanayo, okungukuthi, i-torque yokusebenza iguqulwa ibe i-thrust yokusebenza. Lapho i-valve ivuliwe, lapho ukuphakama kokuphakama kwesango kufana nezikhathi ezingu-1: 1 ububanzi be-valve, isiteshi samanzi singenasici, kodwa lesi sikhundla asikwazi ukuqapha ngesikhathi sokusebenza. Ekusetshenzisweni kwangempela, i-apex ye-valve stem isetshenziswa njengesibonakaliso, okungukuthi, isikhundla lapho singakwazi ukuvulwa khona, njengendawo yayo evulekile ngokugcwele. Ukuze ucabangele isenzakalo sokukhiya esibangelwa ukushintsha kwezinga lokushisa, ngokuvamile sivulwa endaweni ephezulu, bese sibuyela ku-1 / 2-1 ukuphenduka, njengesikhundla se-valve evulekile ngokugcwele. Ngakho-ke, isikhundla esivulekile ngokugcwele se-valve sinqunywa ngokusho kwendawo yesango, okungukuthi, ukushaywa. Kwamanye ama-valve esango, i-stem nut isethwe esangweni, futhi ukujikeleza kwesondo lesandla kuqhuba isiqu se-valve ukuze sijikeleze, okwenza isango liphakame. Lolu hlobo lwe-valve lubizwa ngokuthi i-valve yesango lesiqu esijikelezayo, noma i-valve yesango elimnyama.