Itheyibhile ye-2 ye-AWWA C207-18 ibonelela ngeenkcukacha zeClass D ring flanges. I-AWWA C207-18 ngumgangatho opapashwe yi-American Water Works Association (AWWA) echaza imilinganiselo kunye nokunyamezela kweeflange zepayipi zensimbi ezisetyenziswa kwiinkqubo zamanzi.
I-Class D ring flanges zenzelwe ukusetyenziswa kunye nombhobho wentsimbi kwiinkonzo ezinoxinzelelo oluphakathi ukuya phezulu. Ezi flange ziqhele ukusetyenziswa kumanzi kunye nezicelo zamanzi amdaka apho uxinzelelo lokusebenza luphezulu kunezo zeBlange B.
Itheyibhile 2 ikhankanya imilinganiselo eyahlukeneyo yeeflange zeKlasi D ezifana nedayamitha yesangqa sebholiti, inani lemingxuma yebholiti, umngxuma webholiti ububanzi, ubukhulu beflange, ubude behabhu, kunye nemilinganiselo ejongene nayo. Ezi nkcukacha ziqinisekisa ukuba iiflange zenziwe ngokwemigangatho efunekayo kwaye ziqinisekisa ukulungelelaniswa okufanelekileyo kunye nokutywinwa xa ziqhagamshelwe kwiinkqubo zemibhobho.
I-Class D ring flanges ngokuqhelekileyo yenziwe nge-carbon steel okanye insimbi engenasici kwaye iyakwazi ukumelana noxinzelelo oluphezulu lokusebenza kweenkqubo zokuhambisa amanzi. Iiflange ziyilelwe ukubonelela ngoqhagamshelo oluthembekileyo nolungenakuvuza phakathi kwemibhobho, iivalvu, kunye nezifakelo kwizicelo zamanzi.
Isishwankathelo, i-Class D ring flanges njengoko kuchaziwe kwiThebhile 2 ye-AWWA C207-18 zizinto ezibalulekileyo kwiinkqubo zokuhambisa amanzi, ukubonelela ngoqhagamshelwano oluqinileyo nolukhuselekileyo lweziseko zemibhobho kwiindawo zokucocwa kwamanzi, izibonelelo zamanzi amdaka, kunye nothungelwano lwamanzi kamasipala.
