Quality Substrate Material
Casted from high-voltage and high-potential alloy, our aluminum ball anode is designed to meet the standard of ISO, NACE, DNV.
| Element | GALVALUM III | DNV-RP-B401-2011 | GS EP COR 201 |
| Zinc (Zn) | 2.0% ~ 6.0% | 2.5% ~ 5.75% | 4.75% ~ 5.75% |
| Indium (In) | 0.01% ~ 0.02% | 0.015% ~ 0.04% | 0.015% ~ 0.02% |
| Silicon (Si) | 0.08% ~ 0.2% | 0.12% max. | 0.06% ~ 0.12% |
| Iron (Fe) | 0.13% max. | 0.09% max. | 0.12% max. |
| Copper (Cu) | 0.006% max. | 0.003% max. | 0.003% max. |
| Cadmium (Cd) | — | 0.002% max. | 0.002% max. |
| Total Impurities | 0.1% max. | 0.1% max. | 0.1% max. |
| Aluminum (Al) | Remainder | Remainder | Remainder |
Low Driving Voltage
This aluminium ball anode provides a stable performance in seawater and electrolytes containing chloride ions as its operating potential is kept between -1.10 to -1.15 volts relative to saturated calomel electrode(SCE).
| Technical Measurement | Performance |
| Open Circuit Voltage (-V) | 1.10 min. |
| Closed Circuit Voltage (-V) | 1.05 min. |
| Current Capacity | 1135 A.h/lbs (2500 A.h/kg) |
| Current Efficiency | 90% min. |
| Consumption Rate | 7.6 lbs/A·y (3.4 kg/A·y) |
Customized Configurations
The standard anode size is illustrated below. Custom-made shapes, weights and configurations are available upon request.
| Item No. | Ball Diameter | Insert Dimensions | Weight | |||
| ØC | L | NPT | N.W | G.W | ||
| JA–AL–B47 | Ø9.84” (Ø250 mm) | Ø1.3” (Ø34 mm) | 4.0” (102 mm) | 1” | 47.5 lbs (21.5 kg) | 49.5 lbs (22.5 kg) |
