AWWA C207-07 chiyero chakaburitswa neAmerican Water Works Association (AWWA) chinotsanangudza zviyero, kushivirira, uye zvinhu zvesimbi pombi flange dzinoshandiswa mumasevhisi emvura. Kirasi D hub flanges dzakagadzirirwa zvine mwero kusvika kune yakakwirira-kudzvanywa maapplication mumasisitimu ekugovera mvura.
Kirasi D hub flanges yakakamurwa zvichienderana nekudzvanyirirwa kwavo uye inowanzo shandiswa mumasevhisi ekuchenesa mvura, zvivakwa zvemvura yetsvina, uye masevhisi emvura emagetsi. Aya maflange akagadzirwa kuti ape kubatana kwakasimba uye kwakachengeteka pakati pepombi, mavharuvhu, uye mafittings mumashandisirwo emvura.
MuAWWA C207-07, Class D hub flanges inotsanangurwa zvichienderana neakasiyana mativi, anosanganisira flange dhayamita, bhoti gomba dhayamita, bhaudhi denderedzwa dhayamita, hub dimensions, yakatarisana, uye ukobvu kutsanangurwa. Aya maratidziro anovimbisa kuti maflange anosangana nezvinodiwa uye anopa kurongeka kwakaringana uye chisimbiso kana akabatana nemapombi masisitimu.
Kirasi D hub maflange anowanzo gadzirwa kubva kuzvinhu zvakaita sekabhoni simbi kana simbi isina tsvina kuti ive nechokwadi chekusimba uye kusadzivirirwa nekuora mumashandisirwo emvura. Iyo yakasimudzwa hubhu pakati peflange inopa imwe simba uye rutsigiro kana ichibatanidza pombi kana mavharuvhu.
Pakazere, AWWA C207-07 Kirasi D hub flanges zvinhu zvakakosha mumasisitimu ekugovera mvura, kuendesa yakavimbika uye isingabvire yekubatanidza yepombi zvivakwa munzvimbo dzekurapa mvura uye nematanho emvura emagetsi.
