Njengoko iyinxalenye yodwa yesithuthi edibana nomhlaba, itayara ibaluleke kakhulu kukhuseleko lwesithuthi. Kwitayara, ivalvu yetayara idlala indima ebalulekileyo kukhuseleko lokuqhuba. Umsebenzi wevalvu yetayara kukufutha nokuthomalalisa itayara, inxalenye encinci, kunye nokugcina itayara emva kokunyuka kwetywina. Ivalvu eqhelekileyo yenziwe ngamacandelo amathathu aphambili: umzimba wevalvu, umongo wevalvu kunye nesigqubuthelo sevalvu. IthamsanqaIlori yePremiumIvalvu isebenzisa irabha ye-EPDM esemgangathweni ophezulu kunye nentonga yobhedu ekumgangatho ophezulu. Siqinisekisa ukutywinwa kwemveliso kunye nokhuseleko lomsebenzisi. Zonke iivalvu zethu zamatayara elori zenziwe ngoomatshini bokucubungula ubhedu olukumgangatho ophezulu kunye ne-CNC, ezenza iindawo ezichanekileyo nezigudileyo.Iivalvu zePremiumisebenzisa irabha ye-EPDM esemgangathweni ophezulu kunye nentonga yobhedu ekumgangatho ophezulu. Ke ngoko, siqinisekisa ukutywinwa kwemveliso kunye nokhuseleko lomsebenzisi. Iivalvu zethu zivavanywa ngokupheleleyo ngaphambi kokuba ziphume efektri.