A loose flange adapter allows the connection of ducts from other manufacturers to the METU-FORM "plain" or "parallel" duct systems.
1. Loose flange adapter with "Parallel" formed-on flange (*)
2. NBR Gasket (*)
3. Loose flat flange (*)
4. Joining clip SRX
5. METU-FORM ducts with "Parallel" flanges
6. System of ducts with turned out edge (Van Stone) from another manufacturer
7. Loose flat flange
(*) Elements belonging to a flange adapter set.