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.

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Marine Anode

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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)
Type	A×(B1+B2)×C	D	E	F	G	Net Weight (kg)	Gross Weight (kg)
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
Chemical Element	Al	Cd	Fe	Cu	Pb	Si	Zn
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