Stub finishes are applied with lap joint flange. In this type of flange, the stub is butt welded towards the pipe, Whilst flange is freely moved around the stub conclusion. It is basically flange section but covered beneath ASME B16.nine that is certainly why it truly is regarded as pipe http://valves-and-fittings58901.blog2learn.com/25426806/valves-and-fittings-for-dummies