TDC (Transverse Duct Connector) system is a separate flange install onto the for rectangular ductwork. The flanges

attach to the duct wall and have an integral mastic which allows the flange to seal itself to the duct.

Octopus Metal offers wide range of TDC flanges at very competitive price through a complete supply chain.

2) Available in zinc coating: 80g/m² - 275 g/m² (G25 - G90)

3) Specifications:   

    Item No.                     Size                        Thickness

OCT-F20-A                   20mm                          0.8mm

OCT-F30-A                  30mm                          1.0mm

OCT-F40-A                  40mm                          1.2mm 

Assorted duct corners are available.