Application Scenario: for large storage tanks in lightning-prone areas
The Retractable Grounding Reel (RGR for short) is developed for lightning discharge of floating roof storage tanks. It realizes equipotential connection between the tank shell and floating roof, and provides the lowest impedance channel for the safe discharge of lightning current and bound charge. At the same time, it reduces the instantaneous overvoltage between the floating roof and tank shell, minimizing the possibility of a lightning-induced fire.
| Housing | 316L stainless steel |
| Spring | Spring steel |
| Cable | Double braided cable 2880/34 |
| Tinned braided copper cable (inside layer) | |
| Braided 316/304 SS cable (outside layer) | |
| Cross-sectional area ≥502mm | |
| Cable Length | 24.5m (Length can be customized) |
| Max. Pull-out Length | 24M to 30M |
| Specification | 30mm*2/0.15mm |
| Resistivity | 0.0234Ω.mm2/m |
| Total Resistance (Pull-out length 20 meters) | ＜0.03Ω |
| Overall Dimensions | 50.5*48*20cm |
| Certification | ATEX & IECEx approved |
1.316L stainless steels housing for corrosion resistance;
2.Braided strip outer stainless steel braiding protection, better tensile resistance;
3.Overall mirror polishing, more beautiful, better corrosion resistance;
4.Pre-Tensioned: The RGR is pretensioned at the factory, so no on-site tensioning is required.
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