Jwalo ka disebediswa tsa bohlokwa tsa ho ntsha metsi tlase bakeng sa dijana tse mahareng tsa bongata (di-tote tsa IBC), boleng bo hodimoLi-valve tsa IBCho fumana ka ho toba polokeho, tshebetso ya ho kwala le bokgoni ba tshebetso ba polokelo le dipalangwang tsa metsi a diindasteri. Diindastering tsa lefatshe tsa dikhemikhale, phetiso ya metsi a mangata le dipakete tse kotsi tsa thepa, tse tsitsitseng le tse hanelang mafomeValve ea ho ntša metsi ea IBCs e se e le likarolo tse tšehetsang tsa bohlokoa bakeng sa litsamaiso tsa lijana tsa IBC.
Kakaretso ea rona e felletsengLi-valve tsa IBCe kenyeletsa di-valve tsa bolo, di-valve tsa serurubele le di-valve tse hokelang ka potlako tse nang le khoele, tse akaretsang dipehelo tse tlwaelehileng tsa DN40, DN50 le DN80 ka khoele ya S60×6 ya bokahohleng le sebopeho sa NPT sa 2-inch, tse tsamaellanang hantle le mehlala e meholo ya IBC tote lefatsheng ka bophara. Mmele wa di-valve o bopilwe ka botlalo ho tswa ho HDPE le polypropylene ya boleng bo hodimo (PP), o nang le kganyetso e ikgethang ho di-acid tse matla, di-alkali, di-solvent le dikhemikhale tsa indasteri. E hlometswe ka di-gasket tsa EPDM tse nang le bongata bo hodimo le masale a ho kwala a PTFE,li-valveho fihlella ho kwala ha metsi a sa dutleng, ho qoba ho fetoha ha metsi le ho tsholoha ha thepa nakong ya dipalangwang tsa lewatle le tsa naha tse hole, ho latela ka botlalo maemo a polokeho a kotsi a UN a dipalangwang tsa thepa.
E entsoe ka mehele e meholo e sebetsang hantle, li-valve li tšehetsa ho buloa le ho koaloa ka potlako ka 90°, li phethahatsa taolo ea phallo e laoloang le ho ntšoa ha metsi ka botlalo ntle le masala. Litiiso tsa foil ea aluminium tse hahiloeng kahare tse sa keneng lerōle le likhetla tse sa keneng lerōle li thibela tšilafalo ea kantle le ho se kenngoe ka molao, li boloka bohloeki ba lisebelisoa tse tala tse bolokiloeng tsa lik'hemik'hale, lik'hemik'hale tsa temo, lisebelisoa tsa indasteri le lihlahisoa tsa metsi tse seng kotsi. Ka sebopeho se kopaneng, ho kenngoa ho bonolo le litšenyehelo tse tlase tsa tlhokomelo, ronaLi-valve tsa IBCikamahanya le maemo a thata a ho bokellana ha thepa ea polokelo, libaka tsa mosebetsi tse mocheso o phahameng le tse mongobo, 'me li na le nako e telele ea tšebeletso tlas'a ts'ebetso ea ho ntša thepa khafetsa.
Letoto la li-valve tsa IBC le sebelisoa haholo makaleng a peterole, lik'hemik'hale tse ntle, pente, ho koahela, lik'hemik'hale tsa letsatsi le letsatsi, kalafo ea metsi le thepa e ngata, le tiisa phetisetso e tsitsitseng ea thepa, le fokotsa likotsi tsa ts'ebetso le ho ntlafatsa ts'ebeliso ea setshelo sa IBC ka kakaretso. Re boetse re tšehetsa thepa ea ho koala e ikhethileng, boholo ba sebopeho le litlhophiso tse khethehileng tsa ho thibela mafome ho fihlela litlhoko tse fapaneng tsa ts'ebeliso ea indasteri ea bareki ba lefats'e.
Re ikemiselitse ho ntlafatsa boleng ba ho lekana indastering, re ntse re ntlafatsa moralo oa sebopeho le mokhoa oa thepa oa li-valve tsa IBC ho fa bareki ba lefats'e ka bophara lisebelisoa tsa lijana tsa IBC tse theko e tlase, tse tloaelehileng le tse sireletsehileng, tse tšehetsang nts'etsopele e sebetsang hantle le e tsitsitseng ea thepa ea machaba ea mokelikeli o mongata.