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Zinc Anode for Buried Pipeline

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Zinc Anode for Buried Pipeline



Zinc Anode for Buried Pipeline


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.


Implementing Standard

GB/T 4950-2002

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.


Zinc Anode for Buried Pipeline

Type

Specification

(mm)

Iron Feet Size

(mm)

Net Weight

(kg)

Gross Weight

(kg)

A(B1+B2)C

D

E

F

G

ZP-1

1000(78+88)85

700

100

16

30

49.0

50.0

ZP-2

1000(65+75)65

700

100

16

25

32.0

33.0

ZP-3

800(60+80)65

600

100

12

25

24.5

25.0

ZP-4

650(58+64)60

500

100

12

20

21.5

22.0

ZP-5

650(58+64)60

400

100

12

20

17.6

18.0

ZP-6

550(58+64)60

400

100

12

20

14.6

22.0

ZP-7

600(52+56)54

460

100

12

15

12.0

12.5

ZP-8

600(40+48)45

360

100

12

15

8.7

9.0



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



Zinc Anode for Buried Pipeline

Zinc Anode for Buried Pipeline



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