Eastern Sheet Metal > Products > Eastern Flange


The Eastern Advantage To save contractors valuable field installation time, the Eastern Flange is pre-assembled to spiral duct at the factory. Spot welds and any necessary sealing is already completed before it arrives at the jobsite. A tight fit is esssential to preventing leaks in duct. The Eastern Flange makes connecting duct systems quick. 
  • SMACNA Class 3 Leakage standards for -2” w.g. to 10” w.g. 
  • Withstands temperatures -20℉ to 212℉ 
  • Smoke-developed and flame spread ratings 0/0 per ASTM E84 
  • Secure with self-tapping screws per SMACNA standards


Round - Dual Wall Installation

Oval - Dual Wall Installation

Oval - Single Wall Installation