Iiflange zomgangatho zisetyenziswa kwizicelo ezahlukeneyo, kubandakanywa imibhobho yokuhlala, imibhobho yorhwebo, kunye nemibhobho yamanzi kwimizi-mveliso.Zingasetyenziselwa ukudibanisa imibhobho yobukhulu obahlukeneyo, kwaye ngokuqhelekileyo ifakwe ngokusebenzisa iibholithi okanye izikrufu ukukhusela i-flange emgangathweni.