Udinga ukulawula ukugeleza kwamanzi, kodwa bona inqwaba yezinhlobo zamavalvu. Ukukhetha okungalungile kungabangela ukuvuza, ukuvinjwa, noma ukwehluleka ukulawula uhlelo lwakho ngendlela efanele, okuholela emonakalweni obizayo.

Kunezinhlobo eziningi zamavalvu e-PVC, kodwa avame kakhuluama-valve ebholayokulawula ukuvala/ukuvala,hlola ama-valveukuvimbela ukubuyela emuva, futhiama-valve esangongokuzihlukanisa okulula. Uhlobo ngalunye lwenza umsebenzi ohluke kakhulu ngaphakathi kwesistimu yamanzi.

Ukuqonda umsebenzi oyisisekelo we-valve ngayinye kubalulekile. Ngivame ukusebenzisa isifaniso esilula lapho ngikhuluma nozakwethu abanjengoBudi e-Indonesia. I-valve yebhola ifana neswishi yokukhanya—ikhanya noma ivaliwe, ngokushesha. I-valve yesango ifana nesithiyo esinensayo, esenziwe ngamabomu. Futhi i-valve yokuhlola ifana nomnyango oya endleleni eyodwa kuphela ovumela ithrafikhi idlule endaweni eyodwa. Amakhasimende akhe—osonkontileka, abalimi, abafaka ama-pool—bathola lokhu kwenza kube lula kakhulu ukukhetha umkhiqizo ofanele. Uma wazi ukuthi yimuphi umsebenzi okufanele wenziwe yi-valve, ukukhetha kuyacaca.

Ingabe wonke ama-valve e-PVC ayafana?

Ubona amavalvu amabili ebhola e-PVC abukeka afana, kodwa elilodwa libiza ngokuphindwe kabili. Kuyalinga ukuthenga eshibhile, kodwa ukhathazekile ukuthi izohluleka futhi ibangele inhlekelele.

Cha, wonke ama-valve e-PVC awafani. Zihluke kakhulu ngekhwalithi yezinto ezibonakalayo, izinto zokufaka uphawu, ukwakheka, nokunemba kokukhiqiza. Lo mehluko uthinta ngqo ukuthi i-valve ihlala isikhathi esingakanani nokuthi isebenza ngokwethembeka kangakanani ngaphansi kwengcindezi.

Umehluko phakathi kwe-valve enkulu nempofu usemininingwane ongeke uyibone njalo. Okokuqala yi-Impahla ye-PVCuqobo. Thina kwa-Pntek sisebenzisa i-PVC eyi-virgin engu-100%, eqinile, ehlala isikhathi eside, futhi ene-gloss finish ephezulu. Ama-valve ashibhile avame ukusebenzisa i-PVC egaywe kabusha exutshwe nezigcwalisi ezifanai-calcium carbonate. Lokhu kwenza i-valve ibe nzima, kodwa futhi ibe brittle kakhulu futhi ijwayele ukuqhekeka. Okulandelayo yiziizimpawu. Amaringi amhlophe angaphakathi kwalelo bhola abizwa ngezihlalo. Ama-valve ekhwalithi asebenzisa okuhlanzekileI-PTFE (Teflon)ukuze uthole uphawu olubushelelezi, oluphansi, oluhlala isikhathi eside. Abashibhile basebenzisa amapulasitiki asezingeni eliphansi aguga ngokushesha. Ama-O-rings amnyama esiqwini kufanele abe yi-EPDM, elungele kakhulu ukumelana namanzi ne-UV, hhayi irabha ye-NBR eshibhile. Ekugcineni, kufika phansiukunemba. Ukukhiqiza kwethu okuzenzakalelayo kuqinisekisa ukuthi wonke ama-valve aphenduka kahle. Ama-valve enziwe kabi angaba nzima futhi kube nzima ukuwaphenduka, noma axege azizwe engathembekile.

Yikuphi okungcono, i-PVC noma i-valve yensimbi?

Insimbi izwakala isindayo futhi inamandla, kuyilapho i-PVC izwa ilula. Umzwelo wakho uthi insimbi ihlale iyisinqumo esingcono, kodwa lokho kucabanga kungaholela ohlelweni oluhluleka ukugqwala.

Futhi akukho okungcono; bakhelwe imisebenzi eyahlukene. I-PVC ingcono kakhulu emanzini abandayo nasezindaweni ezonakalisayo lapho insimbi ingagqwala noma ibanjwe khona. Insimbi iyadingeka emazingeni okushisa aphezulu, ukucindezela okukhulu, namakhemikhali athile.

Ukukhetha phakathi kwe-PVC nensimbi akukona mayelana namandla, kumayelana nekhemistri. Inzuzo enkulu ye-PVC ukuthi injaloivikela ukugqwala nokugqwala. UBudi unekhasimende embonini yezokufuywa kwezilwane zasemanzini ebelijwayele ukushintsha amavalvu akhe ethusi minyaka yonke ngoba amanzi anosawoti abenza bashaqeke. Selokhu ashintshela kumavalvu ethu e-PVC, usenezinkinga eziyiziro iminyaka emihlanu. Basebenza ngokushelela njengosuku lokuqala. Yilapho i-PVC iphumelele khona ngokusobala: ukuchelela ngomanyolo, amachibi okubhukuda, imigqa yamanzi anosawoti kanye namapayipi ajwayelekile. Nokho, i-PVC inemikhawulo yayo. Angeke isetshenziselwe amanzi ashisayo, njengoba izothamba futhi ihluleke. Iphinde ibe nezilinganiso eziphansi zengcindezi kunezensimbi. Ivalvu yensimbi (njengensimbi noma ithusi) iyona kuphela ekhethwayo emigqeni yesitimu, izinhlelo zamanzi ashisayo, noma izinhlelo zokusebenza zezimboni ezinomfutho ophezulu kakhulu. Okubalulekile ukufanisa impahla ye-valve noketshezi olugeleza kuyo.

I-PVC vs. Metal: Yikuphi Ongakukhetha?

Yini eyenza i-valve ye-PVC 'enhle'?

Uthenga ku-inthanethi futhi uthole ivalvu ye-PVC ngentengo ephansi kakhulu. Uyazibuza ukuthi ukuthenga okuhlakaniphile noma uthenga inkinga yesikhathi esizayo ezovuza ngo-2 AM.

Ivalvu ye-PVC “enhle” yenziwe nge-PVC emsulwa engu-100%, isebenzisa izihlalo ze-PTFE zebanga eliphezulu nezindandatho ze-EPDM O, ijika kahle, futhi ihlolwe ingcindezi efekthri ukuze kuqinisekiswe ukuthi ayivuzi.

Kunezinto ezimbalwa engitshela ithimba likaBudi ukuthi lizibheke. Okokuqala, hlola i-umzimba. Kufanele ibe nesiphetho esibushelelezi, esicwebezelayo kancane. Ukubukeka okufiphele, oku-chalky kuvame ukukhombisa ukusetshenziswa kokugcwalisa, okuyenza ibe brittle. Okwesibili,sebenzisa isibambo. Kufanele iphenduke ngokushelela, ukumelana okungaguquki ukusuka ekuvulekeni ngokuphelele kuye kokuvaleka ngokuphelele. Uma iqine kakhulu, inyakaze, noma izwakala incithakalo, ukubumba kwangaphakathi kubi. Lokhu kuholela ekuvuzeni nesibambo esinganqamuka. Okwesithathu, bhekaizimpawu ezicacile. Ivalvu yekhwalithi izomakwa ngokucacile ngosayizi wayo, isilinganiso sokucindezela (njenge-PN10 noma i-PN16), kanye nohlobo lwezinto ezibonakalayo (PVC-U). Abakhiqizi abahloniphekile bayaziqhenya ngama-specs abo. Ekugcineni, kufika phansi ukwethenjwa. E-Pntek, ivalve ngayinye esiyenzayo ihlolwa ingcindezi ngaphambi kokuba iphume efekthri. Lokhu kuqinisekisa ukuthi ngeke kuvuze. Leso isici esingabonakali osikhokhelayo: ukuthula kwengqondo okuzomane kusebenze.

Ingabe i-valve entsha ye-PVC yenza umehluko?

Unevalvu endala eqinile ukuyijika noma ene-drip ehamba kancane. Kubonakala sengathi inkinga encane, kodwa ukuyiziba kungashiya isistimu yakho isengozini yezinkinga ezinkulu.

Yebo, i-valve entsha ye-PVC yenza umehluko omkhulu. Ngokushesha ithuthukisa ukuphepha ngokufaka esikhundleni se-brittle material, iqinisekisa uphawu oluhle lokumisa ukuvuza, futhi inikeza ukusebenza okushelelayo, okuthembekile lapho ukudinga kakhulu.

Ukushintsha i-valve endala akukhona nje ukulungisa; kuwukuthuthuka okukhulu ezindaweni ezintathu ezibalulekile. Okokuqala nguukuphepha. I-valve ye-PVC ehlale elangeni iminyaka iba brittle. Isibambo singanqamuka, noma okubi nakakhulu, umzimba ungaqhekeka ngenxa yomthelela omncane, ubangele isikhukhula esikhulu. I-valve entsha ibuyisela amandla okuqala ento. Okwesibili nguukwethembeka. Ukuconsa okunensayo okusuka kuvalvu endala kungaphezu nje kokumoshakala kwamanzi; kukhombisa ukuthi izimpawu zangaphakathi zehlulekile. Ivalvu entsha enezihlalo ze-PTFE ezintsha kanye ne-EPDM O-rings ihlinzeka ngokuvala okuqinile, okungamabhamuza ongathembela kukho. Okwesithathu nguukusebenza. Esimeni esiphuthumayo, udinga ukuvala amanzi ngokushesha. I-valve endala eqinile ngenxa yobudala noma isikali cishe ayinamsebenzi. I-valve entsha iphenduka kahle, ikunikeza ukulawula ngokushesha. Ngezindleko ezincane ze-ai-valve, ubuyisela ukuphepha, ukwethembeka, nomsebenzi wendawo yokulawula ebalulekile ohlelweni lwakho.

Isiphetho

OkuhlukileAma-valve e-PVCyenza imisebenzi ethile. Ikhwalithi ichazwa ngezinto ezihlanzekile kanye nokukhiqizwa okunembayo, okuqinisekisa impilo ende futhi enokwethenjelwa kakhulu kunenye indlela eshibhile.