Pre-backfilled zinc anode 14 kg
Réf. DIP-054
14 kg sacrificial zinc anode (ASTM B-418 type I), bare or pre-backfilled in a bag, for cathodic protection and earthing. Capacity 780 Ah/kg, efficiency 90%.
Description
This bagged zinc anode is particularly suited to the cathodic protection and earthing of metal structures, compliant with MIL-A-18001 / ASTM B-418 type I. It is available bare or pre-backfilled, with adjustable diameter and cable length (red XLPE/PVC cable, U1000 R2V type 1×25 mm²).
The bare anode weighs 14 kg at Ø40 mm × 1300 mm; in a bag, the assembly weighs 43 kg at Ø130 mm × 1700 mm. The standard backfill is composed of 75% gypsum, 20% bentonite and 5% sodium sulphate. Electrochemical characteristics: efficiency 90%, capacity 780 Ah/kg, consumption ≈11.2 kg/A·yr, natural open-circuit potential of -1050 to -1100 mV against a Cu/CuSO₄ electrode.
Caractéristiques techniques
| Material | Zinc ASTM B-418 type I (MIL-A-18001) |
| Weight | 14 kg |
| Bare anode | Ø40 mm × 1300 mm |
| In a bag | 43 kg, Ø130 mm × 1700 mm |
| Backfill | Gypsum 75%, bentonite 20%, sodium sulphate 5% |
| Efficiency | 90% |
| Capacity | 780 Ah/kg |
| Consumption | ≈ 11.2 kg/A·yr |
| Open-circuit potential | -1050 to -1100 mV (Cu/CuSO₄) |
| Cable | Red XLPE/PVC U1000 R2V 1×25 mm² |
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