- Manufactured from corrosion resistant galvanised steel as standard
- Complies with HVCA specification DW144
- Designed to provide an economical method of joining spiral duct work together
- Suitable for straight seemed or spirally wound ducts
- Reduces fabrication and installation time compared to RSA Flanges
- Easy removal of duct sections for cleaning or maintenance purposes
- Accuracy of production ensures minimum efforts to fit flange ring to duct
- Easier installation in confined spaces when compared to RSA Flanges
- A sealant pocket is rolled into the profile allowing effective sealing of ring to duct




