Zinc Anode for Buried Pipeline


About product

Zinc anode for buried pipelines in marine applications, specifically for oil pipelines, is crucial for corrosion protection. These specialized anodes are designed to combat the corrosive effects of seawater and other marine environments, ensuring the integrity and longevity of the buried pipeline. By sacrificially corroding themselves, the zinc anode diverts corrosive forces away from the pipeline, effectively preventing corrosion damage. This reliable corrosion protection solution is essential for maintaining the safety and efficiency of oil pipelines in marine settings. Choose high-quality zinc anodes to safeguard your buried oil pipeline, mitigating the risks associated with corrosion and ensuring its optimal performance in challenging marine conditions.

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Zinc Alloy


oil pipeline



Product Detail

The Compositions Of Zinc Anode for Buried Pipeline

The composition of a zinc pipeline anode is carefully formulated to provide effective corrosion protection. It consists of various chemical elements, including aluminum (Al) and cadmium (Cd), along with impurity elements such as zinc (Zn), iron (Fe), copper (Cu), lead (Pb), and silicon (Si).

In terms of the primary elements, aluminum is typically present in a range of 0.3% to 0.6%, while cadmium is found in smaller amounts, ranging from 0.05% to 0.12%. These elements play a crucial role in enhancing the anode’s corrosion resistance and sacrificial properties.

Furthermore, the pipeline anode may contain trace amounts of impurity elements. Zinc, being the primary component, is naturally present. To maintain the anode’s purity, strict limits are set for impurity elements. The content of zinc impurities, such as iron, copper, lead, and silicon, is carefully controlled to be ≤0.005%, ≤0.005%, ≤0.006%, and ≤0.125%, respectively.

The remaining content is primarily zinc, forming the bulk of the anode material. This high zinc content ensures the anode’s effectiveness in sacrificially corroding to protect the buried pipeline from corrosion damage.

Risks of Submarine Oil Pipelines Without Zinc Anode

Without the use of zinc anodes for cathodic protection in submarine oil pipelines, several risks and challenges can arise:

  • Pressure Integrity Concerns: Corrosion-induced damage weakens the pressure integrity of the submarine oil pipeline. The absence of zinc anodes exacerbates the risk of leaks or ruptures, especially in areas with higher fluid pressure or temperature variations. Maintaining pressure integrity is crucial for the safe and efficient transportation of oil through the pipeline.
  • Internal Corrosion Risks: The absence of zinc anodes not only affects the external surface of the pipeline but also increases the likelihood of internal corrosion. Corrosion products or deposits can accumulate within the pipeline, leading to reduced flow capacity, increased friction, and potential blockages. Internal corrosion can also contribute to the degradation of the pipeline’s mechanical properties over time.
  • Limited Inspection Capabilities: Corrosion detection and monitoring become more challenging without the protection of zinc anodes. The absence of a sacrificial anode system makes it difficult to accurately assess the extent and location of corrosion along the pipeline. This limitation hampers proactive maintenance and integrity management practices, increasing the risk of undetected corrosion-related issues.

Parameter Of Zinc Anode for Buried Pipeline

zinc anode for buried pipeline




Know Who We Are

About our company

Zava Marine Corporation is a leading supplier of marine parts and components. With a strong focus on quality and customer satisfaction, we specialize in providing a comprehensive range of high-quality marine equipment and accessories. Our products include deck equipment, ship accessories, and various other essential components needed for smooth maritime operations.

With a global presence, we serve a diverse customer base, including shipbuilders, shipowners, offshore operators, and marine equipment distributors. We are committed to providing exceptional service and tailored solutions to meet our customers’ unique needs.


Zava Marine offers a comprehensive range of certifications for marine parts in accordance with international standards and regulations. These certifications include those provided by renowned marine classification societies such as Lloyd’s Register (LR), Bureau Veritas (BV), China Classification Society (CCS), Registro Italiano Navale (RINA), American Bureau of Shipping (ABS), Nippon Kaiji Kyokai (NK), and Det Norske Veritas – Germanischer Lloyd (DNV-GL). By collaborating with these esteemed societies, Zava Marine ensures that our certified marine parts meet the highest standards of safety, quality, and performance, instilling confidence in our reliability and compliance within the maritime industry.

The warranty provided by Zava Marine covers defects in materials and workmanship for a period of two years from the date of purchase. During this warranty period, if any marine parts purchased from Zava Marine exhibit issues or failures resulting from manufacturing defects or faulty materials, Zava Marine will take responsibility for repair or replacement of the affected parts. 

Zava Marine has recently opened new molds for European and North American clients, utilizing materials such as metal, ABS, PVC, and more. These successful mold opening projects allow us to provide customized marine parts and components that meet the specific requirements of our clients in these regions.

Typically, Zava Marine can ship samples within 7 days once the product drawing has been mutually confirmed by both parties. This efficient process ensures that customers can receive samples promptly, allowing them to assess the quality and suitability of the products.

Zava Marine frequently utilizes a wide range of materials in our projects. These materials include aluminum, stainless steel, carbon steel, copper, plastics, titanium, and PEEK (Polyether Ether Ketone). Each material offers unique properties and characteristics suitable for various marine applications. 

Yes, we provide customization services for marine parts. We understand that every project and application may have unique requirements, and we are committed to delivering tailored solutions. By collaborating closely with our clients, we can adapt our products to specific specifications, ensuring optimal fit, performance, and compatibility. Whether it’s modifying existing designs or creating entirely new parts, our customization services cater to the diverse needs of the maritime industry.

Absolutely! We offer product design and development services to support our clients’ needs. Our experienced team of engineers and designers can collaborate with clients from concept development to final product realization. By leveraging our expertise in marine engineering and design, we can provide valuable insights and innovative solutions. Whether it’s optimizing existing designs or creating entirely new products, we are equipped to assist clients in bringing their ideas to life efficiently and effectively.

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