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Sacrificial Aluminum Bracelet Anodes

Sacrificial Aluminum Bracelet Anodes
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Description

Depending on the design specifications, environmental factors, and water salinity, sacrificial bracelet anodes are commonly made of either a zinc alloy or an aluminum alloy.
Corroco’s Aluminium sacrifice bracelet anodes are economical and dependable for cathodic protection of submerged pipelines. The anti-corrosion coating on these pipelines typically includes a hefty concrete mix for negative buoyancy.

The cathodic protection system design specifies where bracelet anodes should be put. These anodes are electrically connected to the pipeline using special copper bonding cables.

The anti-corrosion coating is the pipeline's primary line of defense against rust. The bracelet anodes are intended to safeguard the pipeline in any areas where gaps, pits, or other coating defects could develop during installation or during the course of the pipeline's operational life.


APPLICATION

Offshore pipelines
Subsea pipelines
Offshore steel piles


FEATURES

High density and uniform thickness
Perfect core eccentricity ensuring uniform consumption
Quick and easy installation


Aluminium Bracelet Anode Size

Anode Type

Bracelet Size

Gap

Anode Weight


Inner Dia

Length

Thickness

Net Weight

Gross Weight

D12.8

12.8"
(325mm)

19"
(485mm)

2"
(50mm)

2"
(50mm)

139.5lbs
(63kg)

152.5lbs
(69kg)

D18-A

18"
(459mm)

15.7"
(400mm)

2"
(50mm)

4"
(100mm)

161.5lbs
(73kg)

184.0lbs
(83.5kg)

D18-B

18"
(459mm)

11.8"
(300mm)

3.5"
(90mm)

4"
(100mm)

241.0lbs
(109kg)

263.0lbs
(119kg)

D48.7-A

48.7"
(1236mm)

27"
(685mm)

3"
(75mm)

4"
(100mm)

1212.0lbs
(550kg)

1238.0lbs
(561kg)

D48.7-B

48.7"
(1236mm)

15.7"
(400mm)

3"
(75mm)

4"
(100mm)

692.0lbs
(314kg)

726.0lbs
(330kg)


Chemical Composition

TYPE

Zn %

In %

Cd %

Sn %

Mg %

Ti %

Imp

Al %

Si %

Fe%

Cu%

CA-I
(Al-Zn-In)

3.5-5

0.02-0.05





0.1max

0.09max

0.006max

Blance

CA-II
(Al-Zn-In-Mg-Ti)

4.0-7.0

0.02-0.05



0.50-1.5

0.01-0.08

0.1max

0.09max

0.001max

Blance

CA-III-A
(Al-Zn-In-Sn)

2.5-5.2

0.02-0.045


0.018-0.035



0.1max

0.09max

0.006max

Blance

CA-III-B
(Al-Zn-In-Si)

5.5-7.0

0.025-0.035





0.10-0.15

0.09max

0.006max

Blance

CA-III-C
(Al-Zn-In-Sn-Mg)

2.5-4.0

0.02-0.05


0.025-0.075

0.5-1.0


0.1max

0.09max

0.006max

Blance

CA-IV
(Al-Zn-In-Cd)

2.5-4.5

0.018-0.05

0.005-0.02




0.1max

0.09max

0.006max

Blance

CA-V
(High Potential Al anode)












Electrochemical Properties:

TYPE

Open circuit voltage (-V)

Closed Circuit Voltage (-V)

Actual capacitance A.H/KG

Efficiency % min

CA-I

1.10-1.18

1.05-1.12

2450min

90min

CA-II

1.10-1.18

1.05-1.10

2600min

94min

CA-III-A

1.10-1.18

1.05-1.10

2450min

90min

CA-III-B

1.10-1.18

1.05-1.10

2450min

90min

CA-III-C

1.10-1.18

1.05-1.10

2450min

90min

CA-IV

1.10-1.18

1.05-1.12

2450min

90min

CA-V

1.45-1.50

1.40-1.45

2080min

75min


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