Mtundu uwu wa flange umakhala ndi nsonga ndi flange. Flange palokha siwowotcherera koma m'malo mwake chimango chimayikidwa / kutsetsereka pamwamba pa flange ndikuwotchedwa kuti chitoliro.Kukonzekera uku kumathandiza kugwirizanitsa flange muzochitika zomwe kusagwirizana kungakhale vuto.M'mphepete mwa chiwombankhanga, flange palokha sichikhudzana ndi madzi.Mapeto a stub ndi chidutswa chomwe chimawotchedwa ku chitoliro ndipo chimakhudzana ndi madzimadzi.Mapeto a stub amabwera mumtundu wa A ndipo mtundu wa B. Mapeto amtundu wa A ndiofala kwambiri.Lap joint flange imangobwera mu nkhope yaphwando.Anthu amasokoneza ma flange olowa m'chiuno ndi slip pa flange chifukwa amawoneka ofanana kwambiri, kupatula kuti lap joint flange imakhala ndi mbali zozungulira kumbuyo ndi nkhope yosalala.