Opis
| symbol | średnica węża [DN] | średnica kołnierza [cal] | średnica kołnierza [mm] |
| SFS DN20 ¾ CAT | 20 | 3/4″ | 41,3 |
| SFS DN25 1” CAT | 25 | 1″ | 47,6 |
| SFS DN25 1 ¼ CAT | 25 | 1 1/4″ | 54,0 |
| SFS DN32 1 ¼ CAT | 32 | 1 1/4″ | 54,0 |
| SFS DN32 1 ½ CAT | 32 | 1 1/2″ | 63,5 |
| SFS DN40 1 ½ CAT | 40 | 1 1/2″ | 63,5 |
