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021 466 629Mon to Fri 9.00 - 18.00 Sunday Closed
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021 466 629CATHODIC PROTECTION
CPNZ can supply Zinc or Magnesium Ribbon in various sizes.
CPNZ can supply Rectifiers sized to suit your system.
a range of options to prove your CP system is protecting your asset.
CPNZ can supply a range of anodes Magnesium, Zinc and Aluminium anodes for sacrificial systems And Silicon Iron and MMO anodes for Impressed Current systems.
CPNZ have back fill for both Sacrificial and Impressed current anodes. This can be supplied loose or surrounding the anode in a Bag (sacrificial) or Canister (Impressed current).
CPNZ STOCK A RANGE OF SACRIFICIAL ANODES
• Magnesium anodes
• Zinc anodes
• Zinc Reference
• Anodes are available prepackaged or bare
• Anode tails are custom made to the client's requirements
CPNZ STOCK A RANGE OF IMPRESSED CURRENT ANODES
• The anodes can be bare or packaged
• Anode tails are custom made to the client's requirements
TEST POINTS AND JUNCTION BOXES
• Big FINK's
• Small FINK's
• Key point test points (when maintenance staff can take an ON reading)
• Junction boxes are custom made
USING THE LATEST RANGE OF TECHNICAL EQUIPMENT ALLOWS US TO:
• Efficiently identify CP current flowing from one pipe to another
• Identify if CP current is flowing to electrical earth
• Identify electrical shorts to another structure, i.e. a motorway support
• Identify faulty isolation joints.
• Identify high resistant joints, i.e., valves
• Perform ACVG coating defect surveys
ACCESS TO A NEW DCVG ALLOWS US TO:
• Locate coating defects
• Locate Third party strike damaging the coating or worse
• Use as a final QA check on new Pipelines
• Conduct routine coating condition surveys
OTHER EQUIPMENT WE USE
• 4" and 14" swain clamps - enable CP current readings to be taken.
• MC Millar multimeter - designed explicitly for CP potential readings.
• Soil resistivity Meter - determines when to install an anode bed.
• CIPS (Close Interval Potential Survey) to identify and low potential areas.
• Isuzu 4x4 double cab Ute - allows access remote locations
• Interrupters and data loggers to enable and prove ON /OFF have been taken at each location.
• Exothermic Welding gear - enables long-term low resistance cable connections made to structures.
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