Ama-ISO-K Flanges aklanyelwe ukuxhuma izinhlobo ezahlukene zamapayipi nokufakwa, okuhlanganisa amapayipi ensimbi engagqwali nokufakwa.Lawa ma-flange ahlinzeka ngesisombululo sokuvala esingenakuqhathaniswa, esiqinisekisa ukuxhumana okungangeni moya nokungenamanzi phakathi kwamapayipi nokufakwa.