Oval-to-Rectangle Bend
A segmented bend that changes from flat-oval duct to rectangular duct as it turns, bent the easy way or the hard way: every gore developed, with the mitre at each joint. A segmented bend that changes from flat-oval duct at End A to rectangular duct at End B as it turns, bent the easy way or the hard way: every gore developed, with the mitre at each joint.
How the oval-to-rectangle bend is developed, with a worked example · Pipe bends