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Welding Type Zinc Anode for Ship Hull

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Welding Type Zinc Anode for Ship Hull

Welding Type Zinc Anode for Ship Hull 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. Otherwise, we can produced according to your drawings and specifications. Implementing Standard GB/T4950-2002 Main Performance Anode has small autolysis, high current efficiency and excellent self-regulating property when current occurs. Its protection period is long up to 20 to 30 years, generally no ‘over protection’ phenomenon occurring.
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Welding Type Zinc Anode for Ship Hull

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. Otherwise, we can produced according to your drawings and specifications.

Implementing Standard

GB/T4950-2002

Main Performance

Anode has small autolysis, high current efficiency and excellent self-regulating property when current occurs. Its protection period is long up to 20 to 30 years, generally no ‘over protection’ phenomenon occurring.

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 Efficiency
%

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

Welding Type Zinc Anode for Ship Hull (Single Iron Foot) 

Type

Specification
(mm)

Iron Foot Size (mm)

Net Weight
(kg)

Gross Weight
(kg)

A×B×C

D

E

F

G

ZH-1

800×140×60

900

45

5~6

8~10

45.4

47.0

ZH-2

800×140×50

900

45

5~6

6~8

37.4

39.0

ZH-3

800×140×40

900

45

5~6

5~6

29.5

31.0

ZH-4

600×120×50

700

40

5~6

6~8

24.0

25.0

ZH-5

400×120×50

470

35

4~5

6~8

15.3

16.0

ZH-6

500×100×40

580

40

4~5

5~6

12.7

13.6

ZH-7

400×100×40

460

30

4~5

5~6

10.6

11.0

ZH-8

300×100×40

360

30

3~4

5~6

7.2

7.5

ZH-9

250×100×40

310

30

3~4

5~6

6.2

6.5

ZH-10

180×70×40

230

25

3~4

5~6

3.3

3.5

 Welding Type Zinc Anode for Ship Hull (Double Iron Feet)

Type

Specification
(mm)

Iron Foot Size
(mm)

Net Weight
(kg)

Gross Weight
(kg)

A×B×C

D

E

F

G

ZH-11

300×150×50

360

30

4~5

5~6

13.7

14.5

ZH-12

300×150×40

360

30

4~5

5~6

10.7

11.5

Bolt Connection Type Zinc Anode for Ship Hull 

Type

Specification
(mm)

Iron Foot Size (mm)

Net Weight
(kg)

Gross Weight
(kg)

A×B×C

D

E

F

G

ZH-13

300×150×50

250

50

3~4

8~10

11.6

12.0

ZH-14

300×150×40

250

50

3~4

8~10

8.6

9.0

Common Used Zinc Anode for Ballast Water Tank 

Type

Specification
(mm)

Iron Foot Size
(mm)

Net Weight
(kg)

Gross Weight
(kg)

A×(B1+B2)×C

D

E

F

G

H

ZT-1

500×(115+135)×130

800

50

6

40

60

53.5

56.0

ZT-2

1500×(65+75)×70

1800

-

Φ16

20

40

48.3

50.0

ZT-3

500×(110+130)×120

800

50

6

40

60

48.0

50.0

ZT-4

1000×(58.5+74)×65

1300

-

Φ16

20

40

31.8

33.0

ZT-5

800×(56+74)×65

1100

-

Φ16

20

40

24.0

25.0

ZT-6

1150×(48+54)×51

1450

-

Φ1

15

35

18.6

20.0

ZT-7

250×(80+100)×85

310

30

4

6~8

0

12.8

13.0

ZT-8

200×(70+90)×70

260

30

3

6~8

0

7.3

7.5

Note 1: ZT-1& ZT-8 are flat type anodes;
Note 2: ZT-2, ZT-4,ZT-5 & ZT-6 anodes’ iron feet are round bar steel.

 

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