
Haholo-holo re hlahisa GB standard, ANSI American standard le JIS Japanese standard ball valves,li-valve tsa globe, li-valve tsa heke, li-valve tsa ho hlahloba, li-strainers le lihlahisoa tse ling. Lihlahisoa tsohle tsa rona li etsoa ho latela maemo a nepahetseng.
Re ka fana ka Li-valve tsa Welded Gate, Li-Valves tsa Flange Gate le tse ling. Ikutloe u lokolohile ho ikopanya le rona ka nako efe kapa efe. Re na le basebetsi ba litsebi ba fumanehang ho buisana le uena, ho araba lipotso tsa hau le ho fana ka tšehetso ea litsebi.
Rising vs. Non-Rising Stem
Li-valve tsa Stainless Steel Gate li arotsoe ka har'a kutu e ka ntle ea screw & yoke (OS&Y) le thipa e ka hare ea meralo e sa phahamang.
Rising Stem: The valve stem e ea holimo le tlaase, 'me likhoele tsa stem li pepesehetse ka ntle ho 'mele oa valve.
Ho potoloha ha mabili a letsoho → kutu e atoloha ho ea holimo → keiti ea wedge ea phahama ho bula valve.
Motsoako o sa Phahameng: Lehlaka la valve le potoloha feela ntle le ho phahamisa. Likhoele tsohle tsa stem li ka har'a 'mele oa valve' me li qoelisoa bohareng.
Ho potoloha ha handwheel → likhoele tse ka hare li khanna heke holimo le tlase, ha bophahamo ba kutu bo ntse bo sa fetohe.
Rising Stem: Ha kutu e ntse e tsoela pele, valve e buleha haholoanyane.
Boemo bo bulehileng / bo haufi bo ka bonoa ka ho toba ka mahlo a hlobotseng, a hlakileng ha a sheba ntle le litekanyo.
Motsoako o sa Rising: Bophahamo ba stem bo lula bo sa fetohe ka linako tsohle.
Tekanyo ea ho bula e ke ke ea bonoa ka ho toba; boemo ba valve bo ka ahloloa feela ka sekala sa letsoho la letsoho kapa matšoao.
Rising Stem: The stem e fetela holimo ha e buloa, e hloka sebaka se seholo se otlolohileng ka holim'a valve.
Ha e loketse siling e emisitsoeng kapa libaka tse tšesaane tsa lipeipi.
E sa Rising Stem: The kutu ha e phahame, e nka sebaka se senyenyane sa holimo. E loketse libaka tse tlase-tlase, liliba tse ka tlas'a lefatše, liforo le liphaephe tse patiloeng.
Rising Stem: Likhoele tsa kutu tse pepeneneng li kotsing ea mongobo, lerōle, kutu le mafome.Bophelo bo khuts'oane ba ts'ebeletso libakeng tsa kantle, tse mongobo le tse nang le asiti.
Non-Rising Stem: Likhoele tse ka hare li sirelelitsoe ke tse mahareng 'me li arohane le moea le metsi a pula.Ts'ebetso e ntle ea anti-corrosion le bophelo bo bolelele ba ts'ebeletso.
Rising Stem: E loketse mefuta eohle ea mecha ea litaba, ho kenyelletsa likhoerekhoere, litšila le likaroloana.
Motsoako o sa Tsoeleng: Likhoele tse ka hare li na le tšekamelo ea ho thibela litšila, ho koala le ho hapa.Ha e lokele likhoere-khoere, seretse le mecha ea phatlalatso e litšila; e sebetsa feela metsing a hloekileng, lihlahisoa tsa oli tse hloekileng le khase e hloekileng.
Setsi se Rising: Likhoele tse pepesitsoeng li na le mafome 'me li hloka ho tlotsoa khafetsa.
Non-Rising Stem Gate Valve: Ho se sebetse hantle ka hare ho ke ke ha bonoa kantle. Ho thata ho lemoha le ho ts'oaroa ha stem, kahoo valve e atisa ho nkeloa sebaka hang ha e senyehile.
Rising Stem: E fumaneha ka mefuta e felletseng ea li-diameter tse nyane, tse mahareng le tse kholo.
Non-Rising Stem: Haholo-holo e etsoa ka li-diameter tse mahareng le tse kholo, tse sebelisoang haholo bakeng sa liphaephe tse patiloeng ka tlas'a lefatše.
Ka kakaretso, mefuta e 'meli ea Stainless Steel Gate Valves e sebelisoa haholo lits'ebetsong tsa letsatsi le letsatsi. U ka khetha sehlahisoa se loketseng ho latela maemo a fapaneng a ho sebetsa.