1. Qwalasela ukuba i-lumen iqhelekile kwaye nokuba ubukhulu bodonga bufana.Umbhobho ongaphakathi kunye nomda wangaphandle wePVC wentsimbi yombhobho wentsimbi yomgangatho olungileyo yisetyhula eqhelekileyo?Udonga lombhobho we-annular lusasazwa ngokulinganayo.Thatha umbhobho wensimbi we-PVC kunye nobubanzi bangaphakathi be-89mm kunye nobukhulu bodonga lwe-7mm njengomzekelo?Inxalenye enkulu yodonga lombhobho kunye nomgangatho ophantsi unokufikelela kwi-7.5mm?Elona candelo li-thinnest yi-5.5mm kuphela?Ubangela ukuba umbhobho wentsimbi wePVC ugqabhuke okanye ugqwese?Ichaphazela ukusetyenziswa okuqhelekileyo.
2. Qwalasela ukuba kukho amaqamza omoya okanye ezinye izinto ezibonakalayo eludongeni lombhobho wentsimbi wePVC?Ngaba ayinambala kwaye iyabonakala.Udonga lombhobho wentsimbi wePVC okumgangatho ophezulu ucace gca?Akukho kungcola.Umbala ophuzi wombhobho wensimbi we-PVC onesiphene unokubangelwa ukubola, ukuguga, okanye ukugcinwa okungafanelekanga kwexesha elide ngenxa yokuphathwa kakubi ngexesha lenkqubo yokuvelisa.
3. Ngaphandle kwevumba elincinane leplastiki, umbhobho wentsimbi wePVC okumgangatho ophezulu awunavumba lazo naziphi na ezinye iimveliso zepetrochemical.Kwaye umbhobho wensimbi ongaphantsi unevumba elimnandi kunye nephunga le-diesel?Ingakumbi ehlotyeni?Abantu abanako ukusondela.
4. Iindonga zangaphakathi nangaphandle zomgangatho ophezulu wemibhobho yentsimbi yePVC zigudileyo kwaye ziziva zilungile, ngelixa imibhobho ekumgangatho ophantsi irhabaxa noko.
5. Xa ulinganisa ubukhulu bodonga?Iziphelo ezimbini zombhobho wentsimbi ye-PVC kufuneka zinqunyulwe?Umbhobho ophakathi kufuneka ukhethwe njengovavanyo lwesampulu?Ukuthintela abavelisi abathile abanganyanisekanga ukuba benze ingxabano kuzo zombini iziphelo zombhobho?
6. Sika iisentimitha ezimbalwa zocingo lwentsimbi kuzo zombini iziphelo zombhobho wentsimbi yePVC?Songa ucingo lwentsimbi ngokuphindaphindiweyo?Jonga amandla kunye nokuqina kocingo lwentsimbi.Ucingo lwentsimbi olukumgangatho ophantsi luya kwaphuka emva kokugotywa kwesinye okanye ezimbini?Intambo yensimbi yomgangatho ophezulu wepayipi yensimbi ye-PVC idinga izixhobo ezikhethekileyo zokunqunyulwa.Umgangatho wentsimbi yensimbi umisela umgangatho wepayipi yonke?Umbhobho wentsimbi yentsimbi ye-PVC eneengxaki ezisemgangathweni ezibangelwa yintsimbi yentsimbi ixhomekeke kwi-deformation engenakuguquleka.
Ixesha lokuposa: Aug-04-2022