| KFK combo flange sizes | |
| flange symbol | dimension (cm) |
| KFK 13E | 78×118 |
| KFK 2E | 78×118 |
| KFK 46E | 78×118 |
| KFK 5E | 78×118 |
| KFK 13E | 78×140 |
| KFK 2E | 78×140 |
| KFK 46E | 78×140 |
| KFK 5E | 78×14 |
| Flange sizes – KFS profiled coverings | |
| Flange symbol | dimension (cm) |
| KFS 55×78 | 55×78 |
| KFS 66×118 | 66×118 |
| KFS 78×98 | 78×98 |
| KFS 78×118 | 78×118 |
| KFS 78×140 | 78×140 |
| Flange sizes – KPS flat covers | |
| Flange symbol | dimension (cm) |
| KPS 55×78 | 55×78 |
| KPS 66×118 | 66×118 |
| KPS 78×98 | 78×98 |
| KPS 78×118 | 78×118 |
| KPS 78×140 | 78×140 |