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Zinc Anode for Seawater Cooling System

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Zinc Anode for Seawater Cooling System


Zinc Anode for Seawater Cooling System


Zinc alloy sacrificial anode is used for the metal anti-corrosion cathodic protection of the ships, water ballast tanks, mechanical equipment, marine engineering and port facilities, drilling platform, wharf, seawater condenser, pump in sea water medium as well as the pipes and cables in low resistivity soil.



Aluminum-Zinc-Cadmium series (ZAC Series) is a sacrificial anode casted by high purity zinc and aluminum, cadmium alloy.It is approved by CCS and its quality standards is in accordance with the GB/T4950-2002 standard. The zinc anode chemical composition conforms to the standard of US MIL-A-18001H and ASTM-B418 (Type 1). The anode used for pipelines is at the same time in line with SY/T0019-97 Design Code for Sacrificial Anode Cathodic Protection of Buried Steel Pipeline.


Specifications of Rectangle Type Zinc Anode for Sea Water Cooling System

Type

Specification

(mm)

Iron Foot Size (mm)

Net Weight (kg)

Gross Weight (kg)

A(B1+B2)C

D

E

F

G

ZE-1

500(115+135)130

620

50

6

8~10

54.5

56.0

ZE-2

1000(80+100)80

1200

30

6

6~8

49.0

50.0

ZE-3

500(105+135)100

620

40

6

8~10

39.2

40.0

ZE-4

500(80+100)80

620

30

6

6~8

24.4

25.0

ZE-5

400(110+120)50

500

35

4

5~6

15.4

16.0

ZE-6

300(140+160)40

360

60

4

5~6

12.0

12.5

ZE-7

200(90+110)40

250

30

3

5~6

5.3

5.5


Specifications of Disc Type Zinc Anode for Seawater Cooling Water System

Type

Specification

(mm)

Iron Foot Size (mm)

Net Weight (kg)

Gross Weight (kg)

AB

C

D

E

F

H

G

ZE-8

30060

40

80

50

12

6~8

6

29.8

30.0

ZE-9

36040

50

100

70

14

5~6

6

28.3

28.5

ZE-10

30040

40

80

50

12

5~6

6

19.8

20.0

ZE-11

20050

35

75

45

10

5~6

4

10.3

10.5

ZE-12

18050

35

75

45

10

5~6

4

8.3

8.5

ZE-12

120100

30

75

45

10

8~10

4

7.3

7.5


Chemical Composition (%)

Chemical Element

Al

Cd

Impurity Element

Zn

Fe

Cu

Pb

Si

Content

0.3~0.6

0.05~0.12

0.005

0.005

0.006

0.125

margin


Electrochemical Properties

Electrochemical Properties

Open Circuit Potential

V

Working Potential

V

Actual Capacitance

(Ah/kg)

Consumption Rate

(Ah/kg)

Current Effiency

%

Dissolution Performance

In Sea Water

(1mA/cm2)

-1.09~-1.05

-1.05~-1.08

780

11.23

95

Surface dissolution is even, while the corrosion products are easy to fall off

In Soil

(0.03mA/cm2)

-1.05

-1.03

530

17.25

65



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