WMF3BP—5.6/WMF3FP—5.6 Cable structure dimensions are as follows:
Item | Process | Structure or Processthickness(mm) | Diameter(mm) | |
1 | Conductor | 0.25×7 | 0.75 | |
2 | Import PP/FEP | Cable core | 0.26 | 1.3 |
Sheath | 0.2 | 3 | ||
3 | Armor | Inner | 0.8×12 | 4 |
Outer | 0.8×18 | 5.6 | ||
Remark | The armor adopts high toughness/stainless steel wire, galvanized steel wire, low sulfur, the steel wire |
WMF3BP—5.6/WMF3FP—5.6 Cable performance:
Item | Project | Standards |
1 | 20 ℃ conductor dc resistance ≤Ω/km | 84.3 |
2 | 20℃insulation resistance line between core and armoured ≥MΩ.km | 200/500 |
3 | High temperature insulation resistance: 150℃/200℃ for 2h, line between the core and armored ≥MΩ.km | 5 |
4 | High temperature and high pressure insulation resistance: 150℃/ 200℃,66.6/117.6 Mpa 1h,line between core over the ground ≥MΩ.km | 2.5 |
5 | Ac withstand voltage test: the line between the core and armoured 50HZ 5min V | 1000 |
6 | Capacitance test: a core for the rest of the core sheathed; Frequency of 800-1000 HZ≤μf/Km | 0.17 |
7 | Cable tensile force ≥KN | 25 |
8 | The maximum recommended work tension KN | 15 |
9 | Cable extension rate per thousand ≤‰ | 1 |
10 | Cold resistance crack resistance test: test bar 10 times wire core diameter winding don't crack℃ | -30 |
11 | Heat resistance level ℃ | 150/232 |