Aluminum Bracelet Anodes
Indium-activated aluminum bracelet anodes are specifically developed for offshore pipelines, they provide a cost effective approach for the cathodic protection of offshore and marine structures.
|
Element |
Type Galvalum III |
DNV-RP-B401-2011 |
GS EP COR 201 |
|
Al-Zn-In-Si |
Al-Zn-In |
Al-Zn-In |
|
|
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% |
|
Cadmium (Cd) |
/ |
0.002% Max |
0.002% Max |
|
Silicon (Si) |
0.08~0.20% |
0.12% Max. |
0.06 ~ 0.12% |
|
Iron (Fe) |
0.13% |
0.09% Max. |
0.12% Max. |
|
Copper (Cu) |
0.006% Max. |
0.003% Max. |
0.003% Max. |
|
Others Total |
0.10% Max. |
0.10% Max. |
0.10% Max. |
|
Aluminum (Al) |
Remainder |
Remainder |
Remainder |
Open/close circuit potential is with respect to a Saturated Calomel Reference Electrode.
|
Operating Potential (-V) |
Current Capacity |
Consumption Rate |
Current Efficiency |
Solubility |
|
1.05 - 1.10 |
1135A.h/lbs (2500A.h/kg) |
7.6lbs/amp.yr |
90% Min. |
Solute Uniformly |
There are two basic configurations: Square End type and Tapered End type, which could be either welded or bolted on the protected structures.
|
Anode Type |
Bracelet Size |
Gap |
Anode Weight |
|||
|
Inner Dia. |
Length |
Thickness |
Net Weight |
Gross Weight |
||
|
JA - AL - BL01 |
12.8” (325mm) |
19” (485mm) |
2” (50mm) |
2” (50mm) |
139.5lbs (63kg) |
152.5lbs (69kg) |
|
JA - AL - BL02 |
18” (459mm) |
15.7” (400mm) |
2” (50mm) |
4” (100mm) |
161.5lbs (73kg) |
184.0lbs (83.5kg) |
|
JA - AL - BL03 |
18” (459mm) |
11.8” (300mm) |
3.5” (90mm) |
4” (100mm) |
241.0lbs (109kg) |
263.0lbs (119kg) |
|
JA - AL - BL04 |
48.7” (1236mm) |
27” (685mm) |
3” (75mm) |
4” (100mm) |
1212lbs (550kg) |
1238lbs (561kg) |
|
JA - AL - BL05 |
48.7” (1236mm) |
15.7” (400mm) |
3” (75mm) |
4” (100mm) |
692lbs (314kg) |
726lbs (330kg) |
