Amapayipi ensimbi ashiselwe amapayipi ensimbi anezingqimba ezishisayo zediphu ngaphezulu.Usayizi odumile 2inch, 3inch, 4inch.I-galvanizing ingakhuphula ukumelana nokugqwala kwepayipi lensimbi futhi yandise impilo yayo yesevisi.Ipayipi elinothayela linokusetshenziswa okubanzi.Ngaphezu kwamapayipi kalayini wamanzi, igesi, uwoyela nolunye uketshezi oluvamile olunomfutho ophansi, ibuye isetshenziswe njengamapayipi emithombo kawoyela embonini ye-petroleum, ikakhulukazi izindawo zikawoyela ezingasogwini, nezifudumezi zikawoyela nezipholile ezibandayo zemishini yokupheka amakhemikhali., I-Distillation yamalahle iwasha amapayipi okushintshanisa uwoyela, kanye nezinqwaba zamapayipi e-trestle, amapayipi ozimele asekela umhubhe kanye namapayipi ensimbi esakhiwo, njll.