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Cathodic Protection Aluminum Alloy Sacrificial Bracelet Anode

Cathodic Protection Aluminum Alloy Sacrificial Bracelet Anode
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Description

Corroco aluminum alloy sacrificial bracelet anode are designed specifically for offshore pipelines.

Bracelet Type Aluminum Anode
The pipes submerged in seawater are protected from corrosion using special aluminum anodes called "bracelet" for their particular shape.
These anodes assembled as two half-shells,fit the pipe as a bracelet and according to the method employed to match the two half- shells, the anode are three type of bracelet anode: bolted anodes, welded anodes and hinged anodes.

Aluminum anodes have a relatively low driving potential, a low consumption rate and a high current efficiency.


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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