Ukukhetha impahla efanele yokufakelwa kwamapayipi kubaluleke kakhulu empumelelweni nasekuhlala isikhathi eside kunoma yimuphi umsebenzi wokufakelwa kwamapayipi noma wokwakha. Ukukhetha phakathi kwamapayipi e-PVC, amapayipi e-PPR, namapayipi e-PEX kuthinta kakhulu ukuqina, ukusebenza, nezidingo zokugcinwa kohlelo. Uhlobo ngalunye lunikeza izinzuzo ezihlukile eziklanyelwe izicelo ezahlukene. Lesi sihloko sihlinzeka ngokuqhathanisa okuphelele kwamapayipi e-PEX, e-PPR, kanye ne-PVC ukusiza ochwepheshe namabhizinisi enze izinqumo ezinolwazi. Sizohlola izici zazo zezinto, ukumelana nokushisa, ukumelana namakhemikhali nokugqwala, izindlela zokufaka, ukuqina, izinto zezindleko, kanye nezinketho zabahlinzeki.

Noma ngabe usebenza ohlelweni lokuhambisa amanzi ezindlini, ohlelweni lokushona kwamanzi ezindaweni zokuhweba, noma ohlelweni lokushona kwamanzi ezimbonini, ukuqonda umehluko phakathi kwezinhlobo zemibhobho lezi kuqinisekisa ukuthi ukhetha isixazululo esihlangabezana nezidingo zephrojekthi ngempumelelo. Umgomo uwukulinganisa ukusebenza, izindleko, kanye nokulula kokufakwa ngenkathi kugcinwa ukuphepha kanye nokuthobela izindinganiso zemboni.

Izahluko ezilandelayo zizocubungula izici zepayipi ngayinye, zigqamise izinto ezibalulekile njengokubekezelelana nokushisa nokumelana namakhemikhali. Ngaphezu kwalokho, sethula i-Shijiazhuang Shengshichang Trading Co., Ltd., umphakeli omethembayo ozibophezele ekunikezeni ikhwalithi nokwaneliseka kwamakhasimende, enikeza amasampula amahhala nemikhiqizo ethembekile.

Amapayipi e-PEX aziwa ngokuguquguquka kwawo, okwenza alungele izinhlelo zokufakwa kwamanzi eziyinkimbinkimbi lapho ukugoba kuyadingeka. Akhiqizwa kusuka ku-polyethylene ehlanganisiwe, amapayipi e-PEX amelana nokuqhekeka ngaphansi kwengcindezi futhi abhekane nokunwebeka okushisayo kahle. Lokhu kuguquguquka kuhumusha ekufakweni okulula ezindaweni ezinamavimbela ngaphandle kokudinga izinto eziningi zokuxhuma.

Ipayipi le-PPR, elenziwe nge-polypropylene random copolymer, liqinile kodwa futhi limelana namakhemikhali. Ukuqina kwalo kunikeza ubuqotho obuhle besakhiwo ezinhlelweni zokucindezela, okuhlanganisa nezinhlelo zokuhlinzekwa ngamanzi ashisayo abandayo. Amapayipi e-PPR ayamelana kakhulu nokubola kwamakhemikhali, okwenza afanele izindawo zezimboni lapho kulindeleke ukuchayeka ezintweni ezahlukahlukene.

Amapayipi e-PVC ayaziswa kakhulu ngenxa yokubiza kwawo okuncane nokumelana kwawo nokugqwala. I-Polyvinyl chloride inikeza isisombululo esilula kodwa esiqinile, esivame ukusetshenziselwa ukudonsa amanzi, imisele, nemigqa yamanzi abandayo. Amapayipi e-PVC ayamelana nokugqwala nokubola komhlabathi namanzi, anciphisa izindleko zokugcinwa ngokuhamba kwesikhathi. Kodwa-ke, awafaneleki kangako ezinhlelweni zokushisa okuphezulu uma kuqhathaniswa ne-PEX ne-PPR.

Ukubekezelelwa kwezinga lokushisa kuyinto ebalulekile ekukhetheni amapayipi. Amapayipi e-PEX avame ukubekezelela izinga lokushisa elifika ku-200°F (93°C), okwenza afaneleke kuzo zombili izinhlelo zamanzi ashisayo namanzi abandayo. Amandla abo okubekezelela ukushintsha kwezinga lokushisa ngaphandle komonakalo kuyinzuzo enkulu emapayipini ezindlu zokuhlala.

Imibhobho ye-PPR inokumelana kahle nokushisa, ikwazi ukubhekana namazinga okushisa afinyelela ku-180°F (82°C) njalo, ngisho nokushisa okungaphezulu isikhathi esifushane. Lokhu kwenza ibe nethembeke kakhulu ekusabalaliseni kwamanzi ashisayo kanye nezinhlelo zokushisa. Ukuqina kwayo kwe-thermal kuqinisekisa ukusebenza okuzinzile ngaphansi kwezinga lokushisa eliguquguqukayo.

Imibhobho ye-PVC, ngokuphambene, ingcono kakhulu ukusetshenziswa ezinhlelweni zamanzi abandayo ngezinga lokushisa eliphezulu elingaba ngu-140°F (60°C). Ukuchayeka emazingeni okushisa aphezulu kungaholela ekugobeni noma ekuhlulekeni. Ngakho-ke, i-PVC ayinconywa kakhulu emanzini ashisayo noma ezinhlelweni zokushisa kodwa ihlala iyinketho engabizi kakhulu yokudonsa amanzi kanye nezokunisela.

Ukumelana nokugqwala kwandisa impilo yesevisi yezinhlelo zamapayipi. Amapayipi e-PEX ayakwazi ukumelana nezinto eziningi zamakhemikhali ezitholakala ezindaweni zasekhaya nezimboni, okuhlanganisa ne-chlorine nezinto ezine-asidi, okwenza aqine ngokumelana nezinkinga ezihlobene nokugqwala.

Amapayipi e-PPR aphumelela kakhulu ekumelaneni namakhemikhali, ikakhulukazi ngokumelana ne-alkalis, ama-asidi, nosawoti. Leli phrofayela lenza i-PPR ifaneleke kakhulu ezinhlelweni ezibandakanya ukuchayeka kumakhemikhali noma uketshezi oluqinile, njengasezindaweni zokusebenzela noma ezitshalweni zamakhemikhali.

Amapayipi e-PVC ngokwemvelo ayakwazi ukumelana nokugqwala okubangelwa ukuchayeka enhlabathini nasemanzini. Kodwa-ke, angase abe sengozini kwezinye izinto ezithambisa izinto eziphilayo kanye nezindawo ezinama-alkalinity aphezulu. Ukuhlolwa okufanele kokuchayeka kumakhemikhali kuyadingeka ngaphambi kokukhetha i-PVC ezinhlelweni ezithile.

Ukufaka imibhobho ye-PEX ngokuvamile kulula ngenxa yokuguquguquka kwayo. Basebenzisa izingxenye ezikhethekile nezicelo noma amabhande okucindezela ukuxhuma, okunciphisa inani lezindawo ezidingekayo. Lokhu kusheshisa ukufakwa futhi kunciphisa ubungozi bokuvuza.

Amapayipi e-PPR adinga izindlela zokushisela ngokuhlanganisa ukushisa ukuze kuqinisekiswe izimpawu eziqinile, ezingavuza. Yize le nqubo idinga abasebenzi abanekhono nemishini efanele, ibanga izibopho eziqinile, ezingenawo umoya ezisebenza kahle kakhulu ngaphansi kwengcindezi.

Imibhobho ye-PVC ngokuvamile ihlangana kusetshenziswa i-solvent cementing, ehlanganisa ngamakhemikhali umbhobho nokufakwa kwawo. Le ndlela ayibizi kakhulu futhi isetshenziswa kabanzi kodwa idinga ukulungiswa kahle kwendawo kanye nesikhathi sokuqina ukuze kuqinisekiswe ubuqotho bokuhlanganisa.

Imibhobho ye-PEX ngokuvamile inempilo yomsebenzi yeminyaka engu-40 kuye kweyengu-50 ngaphansi kwezimo ezijwayelekile zokusebenza. Ukumelana kwayo nokukala, i-chlorine, nokugqwala kusiza ukugcina ikhwalithi yamanzi futhi kunciphisa izidingo zokugcinwa. Ukuhlolwa njalo kuqinisekisa ukuqina.

Imibhobho ye-PPR ingahlala iminyaka engu-50 noma ngaphezulu, ngenxa yokumelana kwayo namakhemikhali nokushisa. Ukwakhiwa kwayo okuqinile kanye nemihlangano ehlanganiswe ngokushisisa kunikeza ukwethembeka kwesikhathi eside ngokugcinwa okuncane.

Imibhobho ye-PVC inempilo yomsebenzi esukela eminyakeni engu-25 kuye kweyengu-40, kuye ngezimo zemvelo kanye nokufakwa okufanele. Ngenkathi imelana nokugqwala, ukuchayeka ekukhanyeni kwe-UV kanye namazinga okushisa aphezulu kunganciphisa impilo yayo yesevisi ngaphandle kokuthi ivikelwe ngendlela efanele.

Amaphayipi e-PVC ngokuvamile ayonga kakhulu ekuqaleni, ahambisana namaphrojekthi anomkhawulo wesabelomali, ikakhulukazi ezinhlelweni zokudonsa amanzi namanzi abandayo. Kodwa-ke, ukubekezelelana kwabo okuncane kwezinga lokushisa kungaholela ekufakweni okusha ngaphambi kwesikhathi ezinhlelweni ezingafanele.

Imibhobho ye-PEX iza ngezindleko eziphakeme ekuqaleni ngenxa yezindleko zezinto zokwakha kanye nezingxenye, kodwa inikeza ukonga ngokufakwa okulula kanye nokunciphisa umsebenzi. Ukuvumelana kwazo nokuqina kwazo kwenza zibe nenzuzo esikhathini eside.

Imibhobho ye-PPR ingena ebangeni lezindleko eliphakathi nendawo kuya phezulu, izindleko zithonywa imishini yokushisela kanye nabasebenzi abanekhono. Ukutshalwa kwezimali kugcizelelwa ukusebenza kwayo okuhle ezimweni ezishisayo kakhulu kanye nalezo ezidinga amakhemikhali.

Ezinkampanini ezifuna izinto zokwakha imibhobho ezisezingeni eliphezulu, i-Shijiazhuang Shengshichang Trading Co., Ltd. igqama njengomphakeli onokwethenjelwa ozibophezele ekusebenzeni kahle. Zikhethekile ekuhlinzekeni imibhobho ye-PEX, PPR, kanye ne-PVC esezingeni eliphezulu ehlangabezana nezindinganiso eziqinile zemboni. Ukuzinikela kwazo ezingeni eliphezulu kubonakala kuyo yonke imikhiqizo, kuqinisekisa ukuqina nokusebenza kwezinhlobonhlobo zezicelo.

Inkampani inikeza amasampula amahhala, okuvumela amakhasimende ukuthi ahlolisise ikhwalithi yomkhiqizo ngaphambi kokuzibophezela. Le ndlela egxile kumakhasimende yandisa ukwethembana nokucaca. Ngaphezu kwalokho, ithimba labo losizo lobuchwepheshe lisiza amaklayenti ekukhetheni amapayipi afanele kakhulu izidingo ezithile zephrojekthi.

Ukuhlola uhla oluphelele lwezixazululo zamapayipi ezisezingeni eliphezulu, vakashela i- Imikhiqizo ikhasi. Ngomlando wenkampani kanye nezinzuzo, bona i-Mayelana Nathi isigaba. Noma yimiphi imibuzo noma usizo, i-Usizo ikhasi lihlinzeka ngosizo olunzulu.

Ukukhetha phakathi kwepayipi le-PVC, ipayipi le-PPR, kanye nepipi le-PEX kuncike kakhulu ezidingweni zephrojekthi, izimo zemvelo, kanye nokucatshangelwa kwesabelomali. I-PVC ilungele izixazululo ezingabizi kakhulu, amanzi abandayo, kanye nezixazululo zokudonsa amanzi. I-PEX inikeza ukuguquguquka kanye nokubekezelelana okuhle kwezinga lokushisa, ilungele izinhlelo zamanzi ashisayo abandayo ezindlini. I-PPR inikeza ukumelana namakhemikhali okungcono kakhulu kanye nokuqina kokushisa, okuncanyelwa izicelo zezimboni nezokushisa.

Kubalulekile ukuhlola izinto ezifana nobunzima bokufakwa, isikhathi sokuphila, ukumelana nokugqwala, nokuphathwa kahle komphakeli. Ukusebenzisa imikhiqizo evela ezinkampanini ezihlonishwayo njenge-Shijiazhuang Shengshichang Trading Co., Ltd. kuqinisekisa ukuthola izinto ezisezingeni eliphezulu ezisekelwa ubuchwepheshe kanye nenkonzo yamakhasimende.

Ngeminye imihlahlandlela mayelana nezixazululo zemibhobho kanye namaphrojekthi okufakwa kwamanzi, vakashela ku Ikhaya ikhasi ukuze uthole izinketho eziningi eziqotho nezizinzile zemvelo.

Ngemihlahlandlela enemininingwane yokufaka, imininingwane yomkhiqizo, namazinga emboni, ukuhlola izinsiza eziku-inthanethi nokuxhumana nabathengisi ngqo kungakunikeza ukuqonda okubalulekile. I-Shijiazhuang Shengshichang Trading Co., Ltd. yamukela imibuzo futhi inikeza iseluleko sochwepheshe ukuqinisekisa ukuthi uhlelo lwakho lokufakwa kwamapayipi luhlangabezana nawo wonke amapharamitha okuphepha nokusebenza.

Noma ngabe ubuyekeza ingqalasizinda ekhona noma udizayina izinhlelo ezintsha, ucwaningo olunzulu nokubonisana kochwepheshe kuhlala kubalulekile. Sebenzisa ukwesekwa okutholakalayo nolwazi lomkhiqizo kuwebhusayithi esemthethweni ukuze uthuthukise imiphumela yephrojekthi yakho.