Lap Joint Flanges
A lap joint flange is very similar to a slip-on flange, with the main difference being that it has a curved radius at the bore and face to house a lap joint stub-end. Lap joint flanges and stub-end assemblies are typically used in situations where frequent dismantling is required for for inspection
 |
 |
The lap joint flange itself is not welded or fixed in any way. It is free to spin for proper alignment with what ever it is joining to.