Duct Elbows- Tubed
Tubed Elbow are constructed from non-seamed tubing that is mechanically bent. The elbows are available in 90, 60, 45 or 30 degrees, in 16,14 or 11 gauge and in galvanized or SS.
The ends can be fitted with a Rolled-Lipped collar or a angle ring flange.
US Duct tubed elbows are generally considered in applications for oil mist because they have no seam. Additionally they are widely used for paper trim for the same reason.
They are the only SS option in sizes 3"-6".