Made in our yellow-label union shops, most doublewall y-branches are fabricated with Pittsburgh seams and they are shipped fully assembled with all their accessories (TDC corners, vane & rail, etc…) installed.
Doublewall rectangular duct is constructed with TDC end treatments. There are two different types of applications:
- Acoustical double wall duct for noise control
- Thermal double wall duct for temperature control
Contact us for a quote or to learn more about doublewall Y-branch fittings.