MMO Tubular Anode

Full-Scenario Engineering Applications and Selection Criteria of MMO Tubular Anodes

Cathodic protection is the core technical solution for metal infrastructure corrosion control. The selection of auxiliary anodes directly determines the operational stability, service life and overall cost performance of the entire anti-corrosion system. As a lightweight, high-performance and long-life anode product, MMO tubular anodes feature wide adaptability and convenient construction. They are applicable to almost all industrial anti-corrosion scenarios, including terrestrial environments, water medium, deep underground burial and coastal marine conditions, making them one of the most practical and reliable anode products for on-site engineering implementation.

In terrestrial industrial corrosion protection, MMO tubular anodes are widely used in long-distance oil and gas pipelines, urban underground pipe networks, petrochemical plant grounding systems, as well as shallow and deep ground bed projects. Featuring uniform stress distribution and comprehensive current coverage, the tubular structure avoids current attenuation caused by soil humidity changes and resistivity fluctuations after underground burial. According to different geological conditions such as common soil, saline-alkali land and arid strata, technicians can adjust anode specifications, coating types and cable configurations to match diverse cathodic protection requirements. This effectively eliminates electrochemical corrosion of underground metal pipelines and steel structures, significantly reducing safety risks such as pipeline perforation, aging and leakage.

For storage tank and industrial equipment protection, MMO tubular anodes are commonly applied to vertical and horizontal storage tanks, tank bottoms and industrial cooling equipment. Tank bottoms are constantly exposed to humid, salt-accumulated and stray current interference environments, leading to much faster corrosion than standard working conditions and placing high demands on anode stability and durability. MMO tubular anodes support dense arrangement installation at tank bottoms, delivering uniform current output and full coverage of metal structures. They effectively avoid insufficient or excessive local protection, ensuring long-term safe operation of storage facilities in petrochemical, chemical, energy and warehousing industries.

In marine and underwater engineering, MMO tubular anodes serve as the core anti-corrosion solution for offshore pile foundations, coastal steel structures, underwater facilities and seawater environment projects. Seawater is a high-corrosive strong electrolyte medium that rapidly wears out ordinary anodes. Equipped with high-grade Ir-Ta coatings, MMO tubular anodes possess outstanding resistance to chloride ion erosion, maintaining stable performance in seawater, intertidal zones and coastal saline environments. They are extensively used in offshore platform piles, port and wharf steel structures, cross-sea pipelines and other marine anti-corrosion projects. Meanwhile, they are fully compatible with fresh water scenarios such as reservoirs and water delivery pipelines, achieving superior multi-scenario adaptability.

A mature industrial selection standard has been formed for engineering applications. For conventional environments including common soil, fresh water and storage tank interiors, Ru-Ir coated tubular anodes are prioritized for balanced performance and cost. For harsh conditions such as high-salinity soil and seawater, Ir-Ta coated anodes with enhanced corrosion resistance are adopted. Single independent anodes are suitable for small-scale scattered equipment protection, while combined anode strings are recommended for large ground beds and long-distance pipeline projects, matched with customized cables. The product can be equipped with standard XLPE/PVC and PVDF anti-corrosion cables to adapt to outdoor, buried and underwater installation conditions. All products comply with industrial inspection standards and support customized specifications and service life schemes, suitable for various domestic and overseas engineering and export projects.

With full-scenario compatibility, convenient construction, stable performance and long maintenance-free service life, MMO tubular anodes have become standardized mainstream products in the cathodic protection industry. They are widely applied in key domestic infrastructure projects and exported in bulk to India, Southeast Asia, the Middle East and other overseas regions, delivering outstanding cost performance and reliability for industrial metal anti-corrosion projects worldwide.

Titanium anode tube, also known as MMO tubular anode or mixed metal oxide titanium anode tube, is a metal oxide with electrocatalytic activity coated on a tubular titanium substrate(ASTM B338 grade I standard). Di Noer MMO titanium tubular anodes have a long working life, lightweight, which can reduce labor intensity and low operating voltage, etc.

MMO tubular anode coating type, thickness and anode size can be customized according to the user, depending on the required current density, the medium environment used and the design life.

Di Noer company specializes in the production of dry MMO oxide-coated titanium electrodes, providing users with high-quality titanium anode products, and at the same time, provide advanced electroplating and electrolysis technology to the outside world to promote high efficiency and energy saving in the field of electrochemistry. Di Noer Technology is constantly developing and innovating in terms of technology, and maintains close strategic cooperative relations with many scientific research 

 

Specification

Here are the standard sizes of our MMO tubular anodes, we also provide other size as your requirements .

If you need to inquire the price for each size, please provide the current and expected lifetime. We will provide professional quotation table and shipping cost for reference.

We provide a single MMO tube, if you need to install the cable, we can also provide a series of production and installation, finished delivery for this below:

Single titanium anode and titanium anode string are both accepted:

• Cable Length: 10m or as you required.   

• Cross Section: 10sqmm / 16sqmm / 25sqmm

• Insulation/Sheathing: XLPE/PVC

•                                   PVDF/HMWPE

•                                   EPR/CSPE

• Cable Tube Connection: Copper Wedge

Package Detail

We will all package the goods by standard exporting wooden cases and transport them with reliable forwarder, and we will always pay close attention to each order, from the signing of the contract to the receipt of the goods by the customer, as well as after-salesservice

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