Ulusi wa flange umatchedwanso screwed flange kapena screwed-on flange.kalembedwe kameneka kamakhala ndi ulusi mkati mwa flange bore womwe umayenderana ndi ulusi wachimuna wofananira pa chitoliro kapena wokwanira.Mtundu uwu wa flange umagwiritsidwa ntchito pomwe kuwotcherera sikoyenera.Flange yopangidwa ndi ulusi imagwiritsidwa ntchito kwambiri pamagetsi otsika komanso mapaipi ang'onoang'ono (mpaka 4 ″ mwadzina).