Ea ronaLi-valve tsa UPVCLi fumaneha ka mefuta e fapaneng ho kenyeletsoa li-valve tsa bolo, li-valve tsa serurubele, li-valve tsa ho hlahloba le li-valve tsa diaphragm ho fihlela litlhoko tse fapaneng tsa indasteri. Valve ka 'ngoe e entsoe ka nepo ho fana ka taolo e boreleli le e nepahetseng ea phallo, ho netefatsa ts'ebetso e ntle le katleho bakeng sa ts'ebetso ea hau.Ea ronavalavu ea bolo ea upvcLi na le kaho e bobebe empa e le matla, li bonolo ho li kenya, 'me li hloka tlhokomelo e nyane, e leng se u bolokelang nako le lisebelisoa nakong e telele. Bokaholimo bo boreleli, bo sa khomareleng ba thepa ea UPVC bo boetse bo thibela ho bokellana le ho koaleha, bo khothalletsa ts'ebetso e se nang sekoli le bophelo bo bolelele ba ts'ebeletso.Ntle le thepa ea bona e ntle ea mechini,valve ea bolo ea upvcli fana ka khanyetso e ntle ea lik'hemik'hale, e leng se etsang hore li lokele ho sebetsana le mefuta e mengata ea maro a senyang le a mabifi. Hore na u sebetsana le li-acid, li-alkali, kapa lik'hemik'hale tse ling tse matla, u ka tšepa li-valve tsa rona tsa UPVC ho boloka botsitso le ts'ebetso ea tsona, ho netefatsa ts'ebetso e tšepahalang le e bolokehileng ea mokelikeli.