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19/ 06/ 11
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CATHODIC PROTECTION FOR THE OIL, GAS, WATER & POWER INDUSTRIES

- ZINC & ALUMINUM ANODES
ALUMINIUM ALLOY SACRIFICIAL ANODES HAVE AN ELECTRO-CHEMICAL PROPERTY THAT MAKES THEM SUITABLE FOR USE IN CATHODIC PROTECTION SYSTEMS. AN OXIDE FILM CAN DEVELOP ON THE SURFACE OF THE ALUMINIUM THAT MAKES THE MATERIAL PASSIVE. ALUMINIUM ALLOYS HAVE BEEN DEVELOPED SO THAT ONE OR MORE OF THE ALLOYS DISRUPTS THE PROTECTIVE OXIDE LAYER AND MAKES THE ALLOY ANODIC TO PROMOTE EVEN CORROSION WHEN THE ANODE IS PLACED IN THE ELECTROLYTE.

ZINC HAS BEEN USED AS A SACRIFICIAL ANODE MATERIAL IN SEAWATER SINCE 1824 BUT MODERN ZINC ANODES USED FOR CATHODIC PROTECTION ARE CAST FROM HIGH PURITY ZINC ( 99.9% ) ALLOYED WITH ALUMINIUM AND CADMIUM WITH LIMITATIONS ON THE LEVELS OF LEAD, IRON AND COPPER.

- TRANSFORMER RECTIFIERS
A VARIED RANGE OF HIGH QUALITY TRANSFORMER RECTIFIERS ARE DESIGNED AND MANUFACTURED TO MEET THE MARKET REQUIREMENT FOR ALL LAND AND MARINE STRUCTURES NECESSITATING AN IMPRESSED CURRENT CATHODIC PROTECTION ( ICCP) SYSTEM OR A MARINE GROWTH ANTI-FOULING SYSTEM.

- ANODE, CATHODE & BOND BOXES

A WIDE RANGE OF CUSTOM MADE JUNCTION BOXES FOR THE CONTROL AND MEASUREMENT REQUIRED FOR YOUR PROTECTION SYSTEM. ALL ITEMS ARE MANUFACTURED AND TESTED USING THE HIGHEST QUALITY MATERIALS. EEXD AND EEXE RATED PRODUCTS ARE ALSO AVAILABLE FOR HAZARDOUS AREA LOCATIONS.

- REFERENCE ELECTRODES / COUPONS

WE SUPPLY REFERENCE ELECTRODES FROM THE MOST RELIABLE NAMES IN THE INDUSTRY INCLUDING MC MILLER, BORIN, GMC AND EDI. WE CAN ADVISE THE CORRECT CHOICE OF PRODUCT FOR YOUR SPECIFIC APPLICATION.

- MIXED METAL OXIDE

MIXED METAL/ METAL OXIDE ( MMO) IMPRESSED CURRENT ANODES SUPPLIED BY CATHODIC PROTECTION CO LTD HAVE BEEN DESIGNED FOR THEIR USE IN SPECIFIC CATHODIC PROTECTION APPLICATIONS. THE MMO ANODE SUBSTRATE, USUALLY TITANIUM, IS ACTIVATED BY THE METAL OXIDE COATING AND IS SUITABLE FOR USE IN SOILS, CARBONACEOUS BACKFILL, FRESH AND BRACKISH WATER, SEAWATER AND CONCRETE.

SILICON IRON ANODES ARE PROBABLY THE MOST COMMONLY USED ANODES IN CATHODIC PROTECTION GROUND BED CONSTRUCTION AND THE HIGH CORROSION RESISTANCE OF SILICON IRON AND SILICON CHROMIUM IRON ALLOYS MEANS THAT CATHODIC PROTECTION SYSTEM LIFETIME IN EXCESS OF 20 YEARS MAY BE ACHIEVED.

THE ANODES CAN BE USED IN MANY DIFFERENT ENVIRONMENTS EG ONSHORE, SEAWATER AND FRESHWATER APPLICATIONS. SILICON IRON ANODES ARE FOR USE IN NEUTRAL SOILS AND FRESHWATER ENVIRONMENTS. SILICON CHROMIUM IRON ANODES ARE FOR USE IN AGGRESSIVE ACIDIC OR ALKALINE SOILS AND SEAWATER ENVIRONMENTS.

- MAGNESIUM ANODES

WE SUPPLY THE FINEST QUALITY MAGNESIUM ANODES THAT HAVE BEEN SPECIFICALLY DEVELOPED FOR THE CATHODIC PROTECTION MARKET. TYPICAL APPLICATIONS FOR MAGNESIUM ANODES INCLUDE: -
• TEMPORARY PROTECTION OF PIPELINES
• TEMPORARY PROTECTION OF TANK BOTTOMS
• PERMANENT PROTECTION OF WELL COATED PIPELINES IN LOW RESITIVITY SOIL
• PERMANENT PROTECTION OF BURIED VESSELS
• INTERNAL PROTECTION OF WATER TANKS

- CARBONACEOUS BACKFILL
METALLURGICAL AND CALCINED PETROLEUM BACKFILL FOR HORIZONTAL AND DEEP ANODE GOUNDBEDS. CHEMICAL COMPOSITIONS AND DENSITIES AVAILABLE FOR YOUR SPECIFIC APPLICATIONS.

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