duct flange, TDC flange, air duct flange
1)Material: Galvanized Steel, Stainless Steel
2) zinc coating: 80g/m² - 275 g/m² (G25 - G90)
Detailed introduction to Duct flange / Duct profile:
TDC (Transverse Duct Connector) system is a separate flange install onto the for rectangular ductwork. The