Flanges work for angle face rings, stub ends and other specific flange fitting requirements, in addition to how the actual flange connection is made for each tube flange and pipe flange repair application.
(See the illustrations below).
Pipe or tube fits inside to form male/female type fit.
Angle Face Ring
Mates up flush with pipe or tube.
Most widely used stub end. Designed to be used with lap joint flanges.
Designed to be used with slip-on flanges.
An economy stub end for use where square inside corner and heat treatment after forming are not required. For use with back up flanges.
Proper sized radius on inside diameter of backing ring to accommodate radius on filet of type “A” stub ends and Polyethelyne pipe.
45° angled radius on inside diameter of flange to assume a flush fit on type “B” and “C” stub ends or angle face rings.
ID – Inside Diameter
BC – Bolt Circle
OD – Outside Diameter
T – Thickness
