Flange e nang le likhoele e boetse e bitsoa screwed flange kapa screwed-on flange.setaele sena se na le khoele ka hare ho bore ea flange e tsamaellanang le khoele e tona e tsamaellanang holim'a phala kapa ho kenya.Mofuta ona oa flange o sebelisoa moo welding e seng khetho.Flange e nang le likhoele e sebelisoa hangata lits'ebetsong tsa khatello e tlase le liphaephe tse nyane (ho fihla ho 4 ″ ka lebitso).