QF Y branch 60 Degrees
Nordfab QF® duct branches in Y shape (sometimes called “true wyes”) are standard 60º between legs, optional 90º.
When ordering specify A, B, C. All branches are priced by the large end A.
Both B & C each must be at least 50% of A, with B or C being at least 80% of the opposite leg.
Use the following formula to determine length: L = A + 4"
• Available in Galvanized and 304SS (as shown below) or optional 316SS or carbon steel
• Available with flanged ends in diameters up to 72", and other various end types
• Available with 90° angle
• Optional gauges 20, 18, 16, 14, 12 and 10