Code | Internal diameter MIN - MAX [mm] | Internal diameter[inch] | External diameter [mm] | Working pressure [bar] | Bursting pressure [bar] | Bending radius | Weight [kg/m] |
R7 DN 4 TWIN NF | 4 | 1/8" | 8,2 | 230 | 920 | 20 | 0,114 |
R7 DN 5 TWIN NF | 5 | 3/16" | 9,2 | 210 | 840 | 26 | 0,170 |
R7 DN 6 TWIN NF | 6 | 1/4” | 12,5 | 200 | 800 | 30 | 0,258 |
R7 DN 8 TWIN NF | 8 | 5/16” | 14,7 | 190 | 760 | 40 | 0,300 |
R7 DN 10TWIN NF | 10 | 3/8” | 17,6 | 175 | 700 | 70 | 0,360 |
R7 DN 12 TWIN NF | 13 | 1/2” | 21,6 | 150 | 600 | 90 | 0,510 |