Complete Product Range
PROTRS offers an extensive portfolio of cathodic protection products, engineered to meet the demanding requirements of industrial, marine, and infrastructure applications. Every product is manufactured to the highest standards and comes with comprehensive technical documentation.
Aluminium Anodes
Definition: Aluminium anodes are sacrificial anodes used primarily in seawater and brackish water environments. They provide cathodic protection by corroding preferentially to the protected metal structure, thereby preventing corrosion of the asset.
Material Aluminium Alloy (Al-Zn-In)
Standards DNV-RP-B401, NACE SP0387, BS EN 12473
Capacity 2,500 - 2,800 Ah/kg
Potential -1.05V to -1.10V (Ag/AgCl)
Applications: Marine vessels (hulls, propeller shafts, rudders), offshore platforms, ballast tanks, heat exchangers, and submerged structures in seawater environments.
MarineOffshoreHull ProtectionSeawater
Zinc Anodes
Definition: Zinc anodes are sacrificial anodes used in both seawater and freshwater environments. They offer reliable protection with stable potential and are often preferred for applications requiring consistent, long-term performance.
Material Zinc Alloy (Zn-Al-Cd)
Standards MIL-DTL-18001, ASTM B418, NACE SP0387
Capacity 780 - 820 Ah/kg
Potential -1.03V to -1.10V (Ag/AgCl)
Applications: Marine structures, ballast tanks, condensers, heat exchangers, pipeline systems in seawater, brackish, and freshwater environments.
MarineFreshwaterTanksCondensers
Magnesium Anodes
Definition: Magnesium anodes are high-potential sacrificial anodes used primarily in buried pipelines, storage tanks, and freshwater environments. They offer the highest driving voltage of all sacrificial anodes, making them ideal for high-resistivity soils and waters.
Material Magnesium Alloy (Mg-Mn)
Standards ASTM G97, NACE SP0169, BS EN 12438
Capacity 1,200 - 1,500 Ah/kg
Potential -1.55V to -1.75V (Cu/CuSO₄)
Applications: Buried pipelines, storage tank bottoms, freshwater systems, high-resistivity soils, and structures where high driving voltage is required.
Buried PipelinesTanksFreshwaterHigh Soil Resistivity
MMO Anodes (Mixed Metal Oxide)
Definition: MMO anodes are impressed current anodes featuring a titanium substrate coated with a mixed metal oxide catalytic layer. They offer exceptionally low consumption rates, high current output, and long service life, making them the preferred choice for high-performance impressed current cathodic protection systems.
Substrate Titanium
Coating Mixed Metal Oxide (IrO₂/Ta₂O₅)
Consumption < 5 mg/A·year
Current Density 50 - 600 A/m²
Applications: Deep anode groundbeds, offshore structures, pipelines, storage tanks, seawater systems, and impressed current CP systems requiring long life and high reliability.
Deep GroundbedsOffshorePipelinesICCP
Silicon Iron Anodes
Definition: Silicon iron anodes (HSCI - High Silicon Cast Iron) are impressed current anodes used in soil, freshwater, and seawater environments. They are known for their excellent corrosion resistance, low consumption rate, and cost-effectiveness in high-resistivity soils.
Material High Silicon Cast Iron
Standards NACE SP0169, ISO 15589
Consumption 0.2 - 1.0 kg/A·year
Applications Soil, Freshwater, Seawater
Applications: Deep groundbeds in high-resistivity soils, pipeline protection, storage tank bottoms, water treatment facilities, and impressed current systems requiring durable, cost-effective anodes.
SoilFreshwaterTanksGroundbeds
Graphite Anodes
Definition: Graphite anodes are impressed current anodes manufactured from high-purity, electrographitized carbon. They provide excellent electrical conductivity, chemical stability, and are widely used in soil and freshwater applications where a reliable, cost-effective anode is required.
Material Electrographitized Carbon
Standards ASTM C559, NACE SP0169
Consumption 0.1 - 0.5 kg/A·year
Resistivity 8 - 15 µΩ·m
Applications: Deep anode groundbeds, pipeline CP in soil environments, water tanks, and impressed current systems requiring stable, long-term performance.
SoilGroundbedsPipelinesWater Tanks
Platinised Titanium Anodes
Definition: Platinised titanium anodes are impressed current anodes consisting of a titanium substrate coated with a thin layer of platinum. They offer exceptional corrosion resistance, high current output, and are used in aggressive environments where other anodes may fail.
Substrate Titanium (Grade 1 or 2)
Coating Platinum (1.0 - 3.0 µm)
Consumption 0.01 - 0.05 g/A·year
Current Density 500 - 2,000 A/m²
Applications: Seawater systems, offshore structures, marine propulsion systems, heat exchangers, and impressed current CP systems requiring high current output in aggressive environments.
SeawaterOffshoreMarineHigh Output
Anode Assemblies
Definition: Anode assemblies are complete, ready-to-install packages consisting of anodes (sacrificial or impressed current) with mounting hardware, connection leads, and installation accessories. PROTRS offers custom-designed assemblies for specific project requirements.
Type Sacrificial & Impressed Current
Options Custom configurations available
Includes Anodes, mounting, leads, accessories
Standards NACE, DNV, BS EN compliance
Applications: Marine vessels, offshore platforms, pipelines, storage tanks, and all CP installations requiring pre-assembled, ready-to-install anode packages.
CustomReady-to-InstallMarineOffshore
Reference Electrodes
Definition: Reference electrodes are essential monitoring devices used to measure the potential of a protected structure against a stable reference. They provide the critical data needed to assess the performance of cathodic protection systems.
Types Cu/CuSO₄, Ag/AgCl, Zn
Standards ASTM G8, NACE TM0497
Mounting Portable, Permanent, Submersible
Accuracy ±5 mV
Applications: Pipeline monitoring, tank bottom assessment, marine structure potential measurement, soil potential measurement, and CP system performance verification.
PipelineTankMarineSoil
Test Stations
Definition: Test stations are surface-mounted enclosures that provide access to buried pipeline CP systems for potential measurement, current monitoring, and system testing. They are essential for ongoing CP system maintenance and compliance verification.
Materials GRP, Stainless Steel, PVC
Standards NACE SP0169, ISO 15589
Protection IP66, IP68 options
Options Flush Mount, Post Mount, Custom
Applications: Pipeline CP monitoring, tank bottom testing, marine structure testing, and all CP systems requiring surface access points for testing and monitoring.
PipelineTestingMonitoringAccess
Junction Boxes
Definition: Junction boxes provide secure, weatherproof enclosures for electrical connections in cathodic protection systems. They protect wiring, facilitate maintenance, and ensure safe system operation.
Materials GRP, Stainless Steel, Polycarbonate
Protection IP66, IP68
Standards NEMA, IEC 60529
Options Custom configurations available
Applications: Pipeline CP systems, tank protection, offshore installations, and all CP systems requiring secure, weatherproof electrical connection enclosures.
PipelineOffshoreTankConnections
CP Cables
Definition: CP cables are specially engineered electrical cables designed for cathodic protection systems. They provide reliable electrical connection between anodes, structures, and monitoring equipment, ensuring effective system operation.
Conductor Copper, Tinned Copper
Insulation XLPE, PVC, HMWPE
Standards BS EN 50363, IEC 60228
Sizes 2.5mm² - 120mm²
Applications: Anode connections, structure bonding, test station wiring, and all CP system electrical connections.
Anode LeadBondingTestingPower
Backfill / Coke Breeze
Definition: Backfill materials, including coke breeze, are specially formulated carbonaceous materials used to surround impressed current anodes in groundbeds. They reduce anode-to-soil resistance, improve current distribution, and extend anode life.
Material Calcined Petroleum Coke
Particle Size 0.1 - 2.0 mm
Resistivity < 10 Ω·cm
Standards NACE SP0169, ASTM C862
Applications: Deep anode groundbeds, impressed current systems in soil, pipeline CP, and any installation requiring low-resistivity backfill for anode performance.
GroundbedsSoilPipelinesAnode Bed
Transformer Rectifiers
Definition: Transformer rectifiers are the power supply units for impressed current cathodic protection systems. They convert AC power to regulated DC power, providing the current needed to protect large structures such as pipelines and offshore platforms.
Output 50A - 500A (Custom)
Control Manual, Automatic, Remote
Standards BS EN 60146, IEC 60146
Options SMPS, SCR, Thyristor
Applications: Pipeline CP, offshore platforms, storage tanks, impressed current systems requiring reliable, adjustable DC power.
PipelineOffshoreICCPPower
CP Coupons
Definition: CP coupons are test specimens used to monitor the effectiveness of cathodic protection systems. They provide direct measurement of protection levels and are essential for compliance verification and system performance assessment.
Types Weight Loss, ER Probes, Custom
Materials Carbon Steel, Stainless Steel
Standards NACE SP0169, ASTM G1
Options With/Without Calcareous Scale
Applications: Pipeline monitoring, tank bottom assessment, offshore structure monitoring, and CP system performance verification.
MonitoringComplianceTestingVerification
Isolation & Decoupling
Definition: Isolation and decoupling devices are used to manage electrical connections in CP systems. They allow for effective cathodic protection while mitigating AC interference, lightning strikes, and stray current effects.
Types Isolating Joints, Decouplers, Solid State
Standards NACE SP0169, IEC 62305
Capacities 5A - 100A (Custom)
Applications AC Mitigation, Lightning Protection
Applications: Pipeline AC mitigation, electrical isolation, lightning protection, stray current mitigation, and CP system integrity management.
AC MitigationLightningIsolationStray Current
Surge Protection
Definition: Surge protection devices (SPDs) protect CP systems and associated equipment from transient overvoltages caused by lightning strikes, switching operations, and other electrical disturbances, ensuring system reliability and equipment longevity.
Types Surge Arrestors, Lightning Arrestors
Standards IEC 62305, BS EN 61643
Capacities 10kA - 100kA
Options Single Phase, Three Phase
Applications: Pipeline CP systems, offshore platforms, storage tanks, and all CP installations requiring protection from transient electrical surges.
LightningSurgeProtectionReliability
Monitoring Systems
Definition: Monitoring systems provide real-time data on cathodic protection system performance, including potential measurements, current output, and environmental conditions. They enable proactive maintenance and compliance reporting.
Types Remote Monitoring, Data Logging
Standards NACE SP0169, ISO 15589
Communication Cellular, Satellite, SCADA
Options Web-based, Alarm Notifications
Applications: Pipeline monitoring, offshore platform surveillance, storage tank CP verification, and all CP systems requiring continuous performance tracking.
Real-timeRemoteData LoggingCompliance
Download our complete product catalogue with full technical specifications, chemical compositions, testing reports, and compliance certifications.
