Flanges ya shingiro nibice byingenzi muri sisitemu zitandukanye zo guhuza imiyoboro, cyane cyane mubikoresho byubaka no gushushanya. Izi flange zikoreshwa muguhuza ibice bibiri byumuyoboro cyangwa guhuza umuyoboro kubintu bitandukanye, nka valve cyangwa pompe. Kimwe mu bintu byingenzi byerekana flanges yo hejuru ni diameter yabyo, igira uruhare runini mu kwemeza uko bikwiye a