There are two standards to which we offers a variety of stub ends to accompany our flanges.
Lap Joint End Ring – Used in lieu of Stub Ends. A ring section c/w chamfered ID for welding to pipe.
Collar is also called stub end is used in place of welded flanges where rotating back up flanges are desired.
Our high quality stub ends (Butt weld fittings ) are tested and verified for durability, accuracy and precision.