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MMO Linear Anodes Installation
MMO/Ti Wire • Coke-Sock Assembly • Distributed ICCP Current Output • Custom Coil Length

MMO Linear Anodes for Distributed Cathodic Protection

Flexible coke-sock MMO linear anodes engineered for continuous current distribution in tank bottom protection, buried pipeline CP, underground steel structures, pipeline corridors, and soil or sand backfilled ICCP systems.

DISTRIBUTED CURRENT ANODE ENGINEERING

Flexible Linear Anodes for Long-Area ICCP Protection

  • MMO linear anodes are selected when protective current needs to be distributed along a long protected area instead of discharged from one concentrated point. They are commonly used for tank bottoms, long pipeline sections, buried structures, reinforced concrete, and other ICCP systems requiring uniform current distribution.
  • Compared with discrete tubular, rod, or canister anodes, flexible MMO linear anodes help distribute protective current more evenly along the protected area. The final design should be reviewed according to resistivity, current output, anode length, installation depth, spacing, connection method, and design life target.
  • Hele Titanium supports custom flexible MMO linear anode assemblies with MMO-coated titanium wire, insulated copper conductor, conductive coke backfill, porous fabric housing, outer braiding, reel packing, and project documentation according to cathodic protection design requirements.
Hele Titanium Engineer Reviewing MMO Linear Anode

HELE TITANIUM

Engineering

Flexible Linear Current Output

Designed for ICCP applications where protective current must be distributed continuously along pipelines, tank bottoms, buried structures, or other long protected areas.

Coke-Sock Anode Assembly

Built with MMO-coated titanium wire, insulated copper conductor, conductive coke backfill, porous fabric housing, and abrasion-resistant outer braiding.

Custom Current Output Review

Current output per meter can be reviewed according to resistivity, installation depth, spacing, cable size, and design life target.

CP Project Support

Suitable for tank bottom CP, buried pipeline corridors, reinforced concrete protection, and long-distance distributed ICCP systems.

What Is an MMO Linear Anode?

An MMO linear anode is a flexible coke-sock anode assembly used to distribute protective current continuously along a long protected area. In cathodic protection applications, it typically consists of MMO-coated titanium wire, an insulated copper conductor, conductive coke backfill, porous fabric housing, and abrasion-resistant outer braiding.

Instead of discharging current from one concentrated point, a flexible MMO linear anode spreads current along its length. This makes it suitable for tank bottoms, buried pipelines, reinforced concrete, pipeline corridors, and other ICCP systems where uniform current distribution is important.

The final design should be reviewed according to soil or concrete resistivity, required current output per meter, anode length, installation depth, spacing, cable size, connection method, and design life target.

Related Distributed ICCP Anode Forms

Anode Form Best For Key Design Focus
MMO Linear Anode Flexible coke-sock installations for long-area ICCP protection Current output per meter, anode length, coke backfill, cable size, installation depth, spacing
MMO Wire Anode Compact or embedded distributed current applications Wire diameter, coated length, connection method, spacing, installation environment
MMO Ribbon Anode Tank bottoms, concrete, and long-area cathodic protection layouts Ribbon width, coating area, layout spacing, contact area, current output
MMO Mesh Ribbon Anode Reinforced concrete and large-area distributed current output Mesh opening, surface contact, embedment method, concrete cover, current distribution

MMO Linear Anode Configurations We Supply

Hele Titanium supplies flexible MMO linear anode assemblies for distributed current cathodic protection. We support standard and project-specific configurations with custom length, cable, connection design, and current output review according to installation requirements.

Standard MMO Linear Anodes on Reel

Standard MMO Linear Anodes

Flexible coke-backfilled linear anode assemblies designed for continuous current distribution in long-area cathodic protection systems.

BEST FOR: General distributed ICCP layouts, buried structures, tank bottoms, and long protection zones.
Tank Bottom Linear Anode Installation

Tank Bottom Linear Anodes

MMO linear anode configurations reviewed for under-tank installation where even current distribution across a large steel bottom is required.

BEST FOR: Aboveground storage tank bottoms, retrofit CP systems, and long circular protection layouts.
Embedded Concrete Linear Anode Assembly

Buried Pipeline / Soil Linear Anodes

Flexible coke-sock MMO linear anode assemblies designed for distributed current output in soil, sand, pipeline corridors, and buried structure cathodic protection systems.

BEST FOR: Buried pipelines, underground steel structures, soil or sand backfilled ICCP systems, pipeline corridors, and long buried protection zones.
Custom MMO Linear Anode Assemblies

Custom MMO Linear 

Project-specific MMO linear anode assemblies with customized length, cable type, connection method, current output design, and reel packing.

BEST FOR: Non-standard CP layouts, OEM systems, EPC projects, and engineered distributed current applications.

Where MMO Linear Anodes Are Commonly Used

MMO linear anodes are selected when protective current must be distributed continuously along a long protected area. They are commonly reviewed for tank bottoms, buried pipelines, underground structures, pipeline corridors, and soil or sand backfilled ICCP systems. Reinforced concrete applications can be reviewed separately according to installation method and current distribution requirements.

Industrial Pipeline and Cathodic Protection Installation

1. Tank Bottom Cathodic Protection

Recommended: Flexible coke-sock MMO linear anode

Key Review: Tank diameter, soil or sand backfill, resistivity, anode spacing, cable route, current output

2. Buried Pipeline Protection

Recommended: Flexible MMO linear anode assembly

Key Review: Pipeline route length, soil condition, current demand, installation depth, cable connection

3. Underground Steel Structures

Recommended: Coke-backfilled MMO linear anode

Key Review: Structure geometry, soil resistivity, protection area, anode length, design life target

4. Pipeline Corridor Protection

Recommended: Reel-supplied MMO linear anode

Key Review: Corridor length, soil environment, current distribution, spacing, connection method

5. Soil or Sand Backfilled ICCP Systems

Recommended: Flexible linear anode with conductive coke backfill

Key Review: Backfill condition, resistivity, moisture level, current output per meter, installation layout

6. Selected Reinforced Concrete CP Review

Recommended: Project-specific linear anode review

Key Review: Concrete resistivity, embedment method, cover depth, current distribution, installation feasibility

MMO/Ti Linear Flexible Anode Structure

A coke-sock MMO linear anode is not a simple coated wire. It is a complete flexible anode assembly designed for long-area distributed current output in ICCP systems. Each layer supports current delivery, electrical continuity, mechanical protection, and stable installation in soil, sand, tank bottom, and buried structure environments.

Structure diagram of a coke-sock MMO linear anode
Typical coke-sock MMO linear anode structure
01

MMO/Ti Anode Wire

The core anode element provides electrochemical current output along the length of the flexible anode and is selected according to current output, design life, and project environment.

02

Insulated Copper Conductor

A continuous insulated copper conductor runs in parallel with the MMO/Ti wire to reduce voltage drop and support long-distance current transmission.

03

Conductive Coke Backfill

Calcined petroleum coke breeze surrounds the anode wire to improve electrical contact, reduce resistance, and support more even current discharge.

04

Acid & Alkali Resistant Fabric Layer

The porous fabric housing holds the conductive coke backfill in place while allowing ionic current transfer during ICCP operation.

05

Abrasion-Resistant Outer Braiding

The outer woven mesh or braided layer provides mechanical protection during transport, pulling, trench laying, tank bottom installation, and field handling.

06

Cable Joint & Sealing Protection

Connection points between the MMO/Ti wire and internal cable are sealed and protected to support low contact resistance and long-term reliability.

Engineering Note

The final structure can be reviewed according to current output per meter, soil or sand resistivity, installation depth, cable route, coil length, connection method, packing requirement, and design life target.

Technical Specifications

MMO Linear Anode, also known as MMO Flexible Anode or coke-sock linear anode, is designed for distributed current output in soil, sand, tank bottom, buried pipeline, and underground ICCP applications. Standard specifications can be adjusted according to project current output, cable type, coil length, installation layout, and design life requirements.

MMO Linear Anode Technical Data

Item Standard Specification / Options
Product Category MMO Linear Anode / MMO Flexible Anode
Product Type MMO-coated titanium wire flexible anode assembly
Standard MMO Wire Diameter 1.0 mm
Optional MMO Wire Diameter 1.5 mm, 3.0 mm, or customized
Outer Diameter of Flexible Anode 40 ± 2 mm
MMO Wire Output Current 52 mA/m or customized
Flexible Anode Output Current 300 mA/m or customized
Design Service Life ≥30 years / ≥50 years available
MMO/Ti Wire Consumption Rate ≤6 mg/A·a with conductive filling
Maximum Current Density 100 A/m² with carbon backfill in soil environment
MMO Wire Volume Resistivity 9–11 mΩ·cm
Cable Type 1 × 10 mm² XLPE/PVC standard; HMWPE, Kynar/HMWPE, XLPE/PVC, or customized options available
Internal Cable Requirement Continuous copper conductor selected according to anode length and current output
Contact Resistance Between MMO/Ti Wire and Cable ≤0.009 Ω
Cable Joint Resistivity 1.0 mΩ max
Cable Connection Resistance 3.08 × 10⁻³ Ω·m
Conductive Fill Material Calcined petroleum coke breeze / conductive carbon backfill
Coke Breeze Content ≥98%
Coke Breeze Particle Size 0.1–1.0 mm
Coke Breeze Volume Resistivity ≤0.05 Ω·m
Sock / Fabric Material Non-woven fabric with acid, alkali, and chlorine resistance
Fabric Unit Area ≥150 g/m²
Fabric Abrasion Resistance ≥150 times
Fabric Bursting Strength ≥500 N
Fabric Puncture Resistance ≥28 kg
Outer Braiding Material Polypropylene filament / wear-resistant woven mesh
Working Temperature Minimum -18°C / 0°F
Flexible Anode Weight 1.25–1.35 kg/m
Standard Coil Length 500 m per coil or customized
Coil Bearing Size 1500 × 1100 × 1500 mm
Approx. Coil Weight Around 760 kg for 500 m flexible anode with bearing
Applicable Environment Soil, sand, tank bottom backfill, buried structures, and pipeline corridors
Typical Applications Aboveground storage tank bottom CP, buried pipeline CP, underground steel structures, dense pipeline networks, stations, power plants, and chemical plants
Installation Methods Cable traction laying, trench laying, tank bottom laying, sand layer installation, concentric circle layout, or paper-clip layout
Custom Options Wire diameter, current output, cable type, coil length, connection method, packaging, and documentation

Engineering Notes

  • Customized roll length and current output are available according to project requirements.
  • XLPE/PVC cables are commonly used for general soil environments, while PVDF/HMWPE or other cable systems can be reviewed for chloride, chemical pollution, or more demanding environments.
  • The final specification should be reviewed according to soil resistivity, installation depth, required current output, anode spacing, cable route, connection method, and design life target.
  • Reinforced concrete applications should be reviewed separately according to installation method, concrete resistivity, embedment design, and current distribution requirements.

Request Technical Review

Email: sales@heletitanium.com

Phone: 86-13857402537

Titanium Valley, Baoji City, Shaanxi Province, China

Custom MMO Linear Anodes Built Around Your CP Layout

MMO linear anode design should be reviewed according to the protected structure, soil or sand backfill condition, required current output, installation route, cable configuration, connection method, and design life target.

Coke-sock flexible MMO linear anode assembly on spool

1. Current Output Review

Review total current demand, current output per meter, protected area, and design life target.

2. Flexible Anode Configuration

Review MMO wire diameter, coke backfill, outer diameter, cable size, sock material, outer braiding, and coil length according to project requirements.

3. Environment & Resistivity Review

Evaluate soil resistivity, sand backfill condition, moisture level, installation depth, and surrounding ICCP environment.

4. Cable & Connection Design

Customize cable type, cable length, joint spacing, sealing method, termination, labeling, and connection protection.

5. Installation Layout Support

Review tank bottom layout, pipeline corridor routing, trench installation, spacing, bending radius, and site accessibility.

6. Documentation Support

Support technical datasheets, packing records, inspection notes, test reports, labels, and project documentation when required.

WHAT WE NEED FROM YOU

  • • Application and protected structure type
  • • Tank diameter, pipeline route length, or protected area
  • • Soil / sand backfill condition and resistivity data
  • • Required current output and design life target
  • • Installation layout, trench route, or drawing
  • • Cable type, cable length, and connection requirement
  • • Coil length, quantity, and delivery destination
  • • Project documentation requirements

Ready to Evaluate Your Layout?

Share your CP layout, current output requirement, installation environment, and design life target. Our engineering team will help review a suitable MMO linear anode configuration for your project.

Installation Methods & Accessories

MMO linear anodes can be installed by trench laying, cable traction laying, tank bottom layout, or soil / sand backfilled installation according to CP design drawings and site conditions. Hele Titanium can support cable connection, termination, reel packing, labeling, and project documentation according to the installation layout.

MMO Linear Anode Installation

Trench Laying

For buried pipelines, underground structures, and long ICCP routes where the anode is installed in a prepared trench according to spacing and depth requirements.

Cable Traction Laying

For long-distance routes where the flexible anode is pulled or guided into position. Pulling force, bending radius, and joint protection should be considered.

Tank Bottom Installation

For aboveground storage tank bottom CP, the anode can be installed in sand layers, concentric circle layouts, parallel layouts, or paper-clip layouts.

Soil / Sand Backfilled Installation

For soil or sand environments where conductive coke backfill supports low-resistance current discharge and more uniform current distribution.

Accessories & Connection Support

  • Feed cable / header cable connection
  • Factory-sealed end terminations
  • T-type or I-type connectors
  • Junction box connection support
  • Cable labels and product identification tags
  • Reel / coil packing for site handling
  • Packing list and project documentation

Commissioning & Monitoring

  • Cable continuity check
  • Polarity confirmation
  • Rectifier output review
  • Current distribution measurement
  • Reference electrode readings
  • Structure-to-electrolyte potential monitoring
  • Periodic inspection of junction boxes and connections

Engineering Note

The final installation layout should be reviewed by the CP design engineer according to soil or sand resistivity, tank diameter, pipeline route length, installation depth, anode spacing, cable route, current output per meter, connection protection, and design life target.

Coating Loading and Current Output Must Be Reviewed Together

For flexible MMO linear anodes, coating loading, current output per meter, coke backfill, cable configuration, soil or sand resistivity, and design life target must be reviewed together. The same outer diameter and coil length may require different MMO wire diameter, coating loading, cable size, joint spacing, or connection design depending on the protected structure and installation environment.

1. Current Output per Meter

Determines how much protective current the flexible linear anode must deliver along the protected area.

2. Soil / Sand Backfill Environment

Soil resistivity, sand backfill condition, moisture level, installation depth, and surrounding CP environment affect current distribution and anode design.

3. Design Life Target

Longer design life may require different coating loading, current density review, cable selection, and output control.

4. Cable & Connection Reliability

Cable sealing, joint spacing, termination, and electrical continuity are critical for long-distance ICCP installations.

Quality Control for MMO Linear Anodes

MMO linear anode quality depends on MMO-coated titanium wire performance, conductive coke backfill, fabric sock integrity, outer braiding protection, cable connection reliability, current output design, coil packing, and final project documentation.

01

MMO/Ti Wire Review

MMO-coated titanium wire is reviewed according to wire diameter, coating condition, coating coverage, current output requirement, and project design life target.

02

Cable & Internal Conductor Check

The insulated copper conductor, cable type, cable size, and electrical continuity are reviewed according to anode length, current output, and installation requirements.

03

Coke Backfill & Fabric Sock Review

Conductive coke backfill, porous fabric housing, and outer braiding are checked for filling consistency, protection performance, flexibility, and handling durability.

04

Connection & Sealing Inspection

Cable joints, connection points, sealing length, termination, labeling, and contact resistance are reviewed to support reliable long-distance current distribution.

05

Dimension & Coil Packing Check

Outer diameter, coil length, anode weight, reel packing, bending condition, and delivery protection are checked according to order and project requirements.

06

Testing & Documentation

Inspection records, technical data, packing notes, product labels, test reports, and project-specific documents can be prepared according to agreed requirements.

Available Documents May Include:

Technical Data Sheet
Inspection Record
Coating Record
Cable Connection Notes
Contact Resistance Check
Packing List
Product Labels
Coil Length Record
Project QC Documents
Certificate of Compliance when required

Compare MMO Linear Anodes with Other MMO Anode Forms

Different MMO anode forms are used for different installation environments, current output requirements, and project layouts. Use the comparison below to find the most suitable anode form for your project.

Anode Form Best Used When Action
MMO Wire Anode Flexible embedded linear current output is needed View MMO Wire Anode →
MMO Ribbon Anode Flat long-area current distribution is required View MMO Ribbon Anode →
MMO Mesh Ribbon Larger contact area or concrete embedment is needed View Mesh Ribbon Anode →
MMO Tubular Anode Durable point or distributed CP anode is required View MMO Tubular Anode →
MMO Canister Anode Packaged anode assembly is needed for groundbed installation View MMO Canister Anode →
MMO Disc Anode Compact localized anode surface is required View MMO Disc Anode →
MMO Rod Anode Rod-shaped electrode is needed for cell, CP, or pilot systems View MMO Rod Anode →

Not sure which MMO anode form is suitable?

MMO Linear Anode FAQ

What is an MMO linear anode?
An MMO linear anode is a continuous titanium-based anode coated with mixed metal oxide. Unlike point anodes, it distributes protective current along its entire length, making it ideal for long, wide, or flat structures requiring uniform current distribution.
Where are MMO linear anodes commonly used?
They are commonly used in tank bottom cathodic protection, reinforced concrete CP systems, long pipeline corridors, marine structures, and electrochemical repair systems where large-area current distribution is necessary.
What is the difference between MMO wire, ribbon, and mesh ribbon anodes?
Wire anodes offer high flexibility for embedded/compact layouts. Ribbon anodes are flat and solid, excellent for tank bottoms. Mesh ribbon anodes have an open structure, providing a larger surface contact area, often used in concrete embedment.
How do I choose the right linear anode form?
Selection depends on the installation environment (soil, concrete, water), required current output, available installation space, contact area needs, and mechanical support requirements. We can assist with engineering review based on your layout.
What affects current output per meter?
Current output is affected by the operating environment's resistivity, the MMO coating formulation and loading, the physical dimensions of the anode (contact area), and the design life target.
Can MMO linear anodes be customized by length?
Yes, custom lengths can be supported according to your project layout and current distribution requirements.
Can you supply cable connections and labels?
Yes, we can provide pre-assembled linear anodes with specified cable types, lengths, secure terminations, and custom labeling to facilitate easy installation on site.
What coating options are available?
Coating formulations (such as Ir-Ta or Ru-Ir based) and loading levels are customized and reviewed according to the specific operating environment (soil, concrete, seawater) and required design life.
Can MMO linear anodes be used for tank bottom protection?
Yes, MMO ribbon anodes and mesh ribbon anodes are highly recommended for storage tank bottom cathodic protection due to their ability to provide uniform current distribution across large flat areas.
Can MMO linear anodes be used in reinforced concrete CP?
Yes, MMO wire and mesh ribbon anodes are frequently embedded in concrete to protect reinforcing steel from chloride-induced corrosion.
What documents can be provided?
When required, we can provide Material Test Certificates (MTC), coating records, dimensional inspection notes, visual inspection notes, packing lists, and project-specific QC documentation.
What information is needed for a quote?
Please provide your application, environment conditions, required current output, design life target, preferred linear anode form, cable connection needs, installation layout, and quantity.
Hele Titanium Factory

Get Your Custom MMO Linear Anode Recommendation

Tell us your application, protected structure, operating environment, current output requirement, design life target, linear anode form, cable connection, and installation layout. Hele Titanium will help review the suitable MMO linear anode configuration for your project.

MMO Wire, Ribbon, Mesh Ribbon & Custom Linear Forms

Current Output and Coating Loading Review

Cable Connection, Labels and Documentation Support

Factory-Direct Export Packing and Project Support

Hele Titanium

Email: sales@heletitanium.com

Address: Titanium Valley, Baoji City, Shaanxi Province, China

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