Code | Internal diameter [mm] | Internal diameter[inch] | External diameter [mm] | Working pressure [bar] | Bursting pressure [bar] | Bending radius | Weight [kg/m] |
ST DN 5 TWIN NF | 5 | 3/16" | 9,6 | 325 | 1300 | 22 | 0,170 |
ST DN 6 TWIN NF | 6,6 | 1/4" | 11,9 | 300 | 1200 | 30 | 0,230 |
ST DN 8 TWIN NF | 8 | 5/16" | 14,4 | 240 | 960 | 40 | 0,260 |
ST DN 10 TWIN NF | 9,7 | 3/8" | 16,6 | 225 | 900 | 65 | 0,330 |
ST DN 12 TWIN NF | 13 | 1/2" | 20,3 | 185 | 740 | 80 | 0,440 |