PVC (polyvinyl chloride) le UPVC (unplasticized polyvinyl chloride) ke lisebelisoa tse sebelisoang haholo ha ho etsoa li-valve ka lebaka la ho tšoarella ha tsona le ho hanyetsa ho bola.

Lisebelisoa tsena li atisa ho sebelisoa ha ho etsoa li-valve tsa bolo ea PVC, e leng likarolo tsa bohlokoa tsamaisong ea lipeipi le liindasteri. Ho utloisisa molao-motheo oa ts'ebetso ea li-valve tsa bolo ea PVC ke habohlokoa ho netefatsa hore li sebetsa hantle.

Li-valve tsa bolo ea PVC li entsoe ka ntho e chitja e koetsoeng, eo hangata e bitsoang bolo, e behiloeng kahare ho 'mele oa valve. Bolo e na le lesoba kapa kou ka har'a setsi se lumellang hore ho be le taolo ea phallo ha e tsamaisana le likou tsa ho kena le ho tsoa tsa valve. Ha bolo e pota-potiloe ka likhato tse 90, lesoba le fetoha perpendicular ho phalla, ka katleho e koala phallo.

Likarolo tsa bohlokoa tsa valve ea bolo ea PVC li kenyelletsa bolo, 'mele oa li-valve, kutu, letsoho le litiiso. 'Mele oa valve hangata o entsoe ka PVC kapa UPVC, e fana ka khanyetso e ntle ea lik'hemik'hale le matla a mochini. The stem e amana le bolo 'me e ikarabella ho potoloha bolo ho laola ho phalla. Seqha se lumella ho sebetsa ka letsoho, ho nolofalletsa basebelisi ho bula kapa ho koala valve ha ho hlokahala. Litiiso, hangata tse entsoeng ka polasetiki kapa lisebelisoa tsa elastomeric, li tiisa tiiso e tiileng ha valve e koetsoe, e thibela ho tsoa.

Molao-motheo o sebetsang oa valve ea bolo ea PVC o itšetlehile ka ho potoloha ha bolo ho lumella kapa ho thibela ho phalla ha mokelikeli. Ha sebapi se phethiloe, kutu e potoloha bolo ka har'a 'mele oa valve, e tsamaisana le lesoba le koung ea ho kena le ea ho tsoa ho lumella ho phalla kapa ho beha lesoba ka pel'a likou ho emisa ho phalla.

Li-valve tsa bolo ea PVC li sebelisoa haholo lits'ebetsong tse fapaneng, ho kenyelletsa kalafo ea metsi, ts'ebetso ea lik'hemik'hale, lits'ebetso tsa ho nosetsa le lipeipi tsa liindasteri. Moralo oa bona o bonolo empa o sebetsa, hammoho le ho tšoarella ha thepa ea PVC le UPVC, e ba etsa khetho e tsebahalang bakeng sa ho laola phallo ea metsi le likhase liindastering tse fapaneng.

Qetellong, molao-motheo oa ho sebetsa oa li-valve tsa bolo ea PVC o pota-potile ho potoloha ha ntho ea spherical e koalang ho laola ho phalla ha metsi. Tšebeliso ea lisebelisoa tsa PVC le UPVC ha ho etsoa li-valve tsena li tiisa hore li phela nako e telele le ho tšepahala lits'ebetsong tse fapaneng tsa indasteri le tsa lipeipi.