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Umhlinzeki onokwethenjelwa wase-China ASTM A53/BS1387 Ipayipi Yensimbi Efakwe Intambo Eyintambo futhi Ehlanganisiwe (GI-61)
Ipayipi Lensimbi Elingenamthungo, njengoba negama liphakamisa, liyipayipi elingenamthungo noma elihlangene elishisiwe. Amapayipi Ensimbi Angenamthungo ayingxenye yamashubhu noma isilinda esingenalutho, ngokuvamile kodwa hhayi ngokwengxenye eyindilinga ephambanayo, esetshenziselwa ikakhulukazi ukudlulisa izinto ezingageleza. -uketshezi namagesi(uketshezi), ama-slurries, izimpushana, izimpushana nenqwaba yezinto eziqinile ezincane.Ukukhiqizwa kwamapayipi ethu ensimbi angenamthungo kulawulwa ngokuqinile futhi wonke amapayipi esiwakhiqizile ahlolwe ngokugcwele ukuze abe nezindinganiso zamazwe ngamazwe ukuze kuqinisekiswe ukuthi sihlinzeka ngemikhiqizo esezingeni eliphezulu kuphela.
