![Metu: How do we install the METU AF circular flanges for the assembly of circular ventilation air-ducts? Metu: How do we install the METU AF circular flanges for the assembly of circular ventilation air-ducts?](https://metu.de/fileadmin/_processed_/1/c/csm_web_metu_af_installation_05_fb1dd0f875.jpg)
Metu: How do we install the METU AF circular flanges for the assembly of circular ventilation air-ducts?
![Bonacci Profilati – Produzione di accessori per la costruzione di impianti ed il trattamento dell'aria Bonacci Profilati – Produzione di accessori per la costruzione di impianti ed il trattamento dell'aria](https://bonacciprofilati.it/wp-content/uploads/2020/10/FLANGE_BIG-cover_3.jpg)
Bonacci Profilati – Produzione di accessori per la costruzione di impianti ed il trattamento dell'aria
![Metu: METU AF round flange (most popular METU flange with metal sealing lip) to connect round air-ducts together (200 to 3000 mm diameter) Metu: METU AF round flange (most popular METU flange with metal sealing lip) to connect round air-ducts together (200 to 3000 mm diameter)](https://metu.de/fileadmin/_processed_/6/7/csm_web_metu_af_blue_511c54cef9.jpg)
Metu: METU AF round flange (most popular METU flange with metal sealing lip) to connect round air-ducts together (200 to 3000 mm diameter)
![Metu: METU AF round flange (most popular METU flange with metal sealing lip) to connect round air-ducts together (200 to 3000 mm diameter) Metu: METU AF round flange (most popular METU flange with metal sealing lip) to connect round air-ducts together (200 to 3000 mm diameter)](https://metu.de/fileadmin/_processed_/f/e/csm_web_metu_tests_sr_klasse_d_01_dc2aa5e1af.jpg)
Metu: METU AF round flange (most popular METU flange with metal sealing lip) to connect round air-ducts together (200 to 3000 mm diameter)
![Metu: Dimensions, stability, flectional resistance, moment of inertia and section modulus of the METU M2, M3 and M4 profiles Metu: Dimensions, stability, flectional resistance, moment of inertia and section modulus of the METU M2, M3 and M4 profiles](https://metu.de/fileadmin/_processed_/7/9/csm_web_metu_a_profiles_f3ed4971a8.png)
Metu: Dimensions, stability, flectional resistance, moment of inertia and section modulus of the METU M2, M3 and M4 profiles
![Metu: METU AF round flange (most popular METU flange with metal sealing lip) to connect round air-ducts together (200 to 3000 mm diameter) Metu: METU AF round flange (most popular METU flange with metal sealing lip) to connect round air-ducts together (200 to 3000 mm diameter)](https://metu.de/fileadmin/_processed_/1/3/csm_web_metu_af_2000_linair_fd5ba1251a.jpg)