I-PVC (i-polyvinyl chloride) kunye ne-UPVC (ipolyvinyl chloride engafakwanga plastiki) zizixhobo ezisetyenziswa ngokubanzi xa kusenziwa izifakelo ezahlukeneyo zevalvu.

I-PVC (i-polyvinyl chloride) kunye ne-UPVC (i-polyvinyl chloride engaxutywanga) zizixhobo ezisetyenziswa ngokubanzi ekwenzeni izixhobo ezahlukeneyo zevalve. Ezi zixhobo zaziwa ngokuqina kwazo, ukuxhathisa umhlwa, kunye nokufikeleleka kwazo, nto leyo ezenza zibe lukhetho oludumileyo kuluhlu olubanzi lwezicelo. Enye yezona zinto zixhaphakileyo zifakwa kwivalvu eyenziwe ngePVC kunye neUPVC yivalve yebhabhathane.

Umgaqo osebenzayo wevalve yebhabhathane yePVC usekwe kuyilo olulula kodwa olusebenzayo. Olu hlobo lwevalve luqukethe idiski, eyaziwa ngokuba yi "butterfly," ebekwe embindini wombhobho. I-disc ixhunywe kwintonga okanye i-shaft ephumela ngaphandle kwe-valve, ivumela ukusebenza kwe-manual okanye ngokuzenzekelayo.

Xa i-valve ikwindawo evaliweyo, i-disc i-perpendicular to flow of fluid, ivimbela ngokufanelekileyo ukuhamba kweendaba. Ngokwahlukileyo, xa i-valve ikwindawo evulekileyo, i-disc ihambelana nokuhamba, ivumela ukuhamba okungathintekiyo kwamanzi. Le ndlela elula ivumela ulawulo olukhawulezayo noluchanekileyo lokuhamba, ukwenza iivalve zebhabhathane zePVC zilungele uluhlu olubanzi lwezicelo.

Ukusetyenziswa kwezixhobo zePVC kunye ne-UPVC ekwakhiweni kweevalve zebhabhathane zibonelela ngeenzuzo ezininzi. Ezi zixhobo zixhathisa ukubola, zizenza zilungele ukusetyenziswa kwizicelo apho i-valve idibana neendaba ezinobundlobongela okanye ezinobungozi. Ukongeza, i-PVC kunye ne-UPVC zikhaphukhaphu kwaye kulula ukuzifaka, zizenza isisombululo esinexabiso elisebenzayo kwizicelo ezahlukeneyo zoshishino kunye nezorhwebo.

Ngaphaya koko, iivalvu zebhabhathane zePVC kunye ne-UPVC ziyaziwa ngeemfuno zazo eziphantsi zogcino kunye nobomi benkonzo ende, nto leyo ezenza zibe lukhetho oluthembekileyo kwiinkqubo zokulawula ulwelo. Ezi zivalo zikwafumaneka kwiindidi ezahlukeneyo zobukhulu kunye nolungelelwaniso ukuze zihambelane neemfuno zokuqukuqela ezahlukeneyo kunye neemfuno zofakelo.

Ukuqukumbela, i-PVC kunye ne-UPVC i-butterfly valves zizinto ezibalulekileyo kwiinkqubo zokulawula ulwelo, ezinika ulawulo oluthembekileyo nolusebenzayo. Umgaqo wabo osebenzayo olula kodwa osebenzayo, odityaniswe nezibonelelo zePVC kunye ne-UPVC, ubenza ukhetho oludumileyo kuluhlu olubanzi lwezicelo kumashishini afana nokucocwa kwamanzi, ukusetyenzwa kweekhemikhali, kunye neenkqubo zeHVAC.