Cathodic Protection Materials/Equipment Manufacturing and Supply

Lerwick has exclusive arrangements with major manufacturers worldwide to supply magnesium anodes and other corrosion related materials with the best quality and services. Our manufacturing and assembly capabilities worldwide include:-

Anode materials that have been used as impressed current anodes include:

    • Blastomatic (Descaling System)
    • Anti-fouling system (MGPS) “LER-FLOW”
    • Impressed current system for ship hulls (ICCP) “LER-MATIC”.
    • Sacrificial anodes, LER METAL AL/ZN ALLOY.
    • Aluminum and zinc anodes for ship hulls, ballast tanks, jetties/ wharf piers, offshore platforms and subsea pipelines.
    • Magnesium anodes, LER-MAG.
    • Standard potential and high potential magnesium block anodes (bare or packaged) magnesium ribbon and magnesium rods for soil or fresh water applications.
    • Impressed current anodes.
    • Silicon iron anodes (solid, tubular and canister).
    • Mixed metal oxide anodes, linear, piggyback, wire, tubular, rod, probe, canister and mesh type.
    • Platinum titanium / niobium anodes.
    • Cathodic protection cables – XLPE/PVC, HALAR/KYNAR/HMWPE, PVC etc.
    • Zinc grounding/ earthing electrodes.
    • Copper/copper sulphate, silver/silver chloride and zinc reference electrodes.
    • Customized transformer rectifiers – auto/manual, oil cooled, air cooled and ex-rated.
    • All type of CP test station and junction boxes – IP rated and ex-rated.
    • Monolithic isolating joints and insulations flange kits.
    • Coke breeze and petroleum backfills and earthing materials.
    • Thermite welding materials, splicing kits and handy caps.
    • Remote monitoring units, GPS/Non GPS current interrupters and data loggers (AC/DC monitoring).
    • AC monitoring probes, mitigation and stray currents.
    • Spark gaps, kirk cells and polarization cell replacement.
    • Anti-corrosion tapes/wrapping, heat shrinkage sleeves / tubing.
    • Cathodic protection test kits/equipment – insulation checker, multi meters, soil PH meters, 4-pin soil testers and survey equipment (DCVG/CIPS/PCM) etc.
Offshore anodes
Jetty anodes
MMO linear anodes
Zinc ribbon anodes
Kirk cells
Polarization cell replacement
Transformer rectifier
Tank anodes
Magnesium anodes
Insulating Flange Kit
Reference electrodes
Spark gap
ThermoWeld mould