SHIP AND OFFSHORE BALLAST TANKS

Ballast Tank Anodes for Marine Cathodic Protection

Aluminum and zinc sacrificial anodes supplied for ballast tanks, seawater compartments, newbuild vessels and drydock replacement projects.

Tank area, coating condition, ballast and empty cycles, water salinity and temperature, ventilation, mounting and hydrogen-management requirements must be reviewed in the approved CP design.

Ballast Tank Anodes for Marine Cathodic Protection
Drawing-based manufacture
Alloy and mass control
Mounting interface review
Project documents by scope
PRODUCT DEFINITION

Ballast Tank Anodes Selected for the Operating Cycle

Ballast tanks alternate between wet, dry and partially filled conditions, and their coating condition changes during service. Anode quantity, alloy, mass, location and mounting therefore require an approved calculation using tank area, coating breakdown, water conditions, operating cycle, current demand, design life and applicable vessel or class requirements.

Engineering Review Starts With Inputs

  • ✓ Protected asset and environment
  • ✓ Coating condition and exposed area
  • ✓ Current demand and design life
  • ✓ Alloy and electrochemical criteria
  • ✓ Geometry and mounting interface
  • ✓ Drawings, ITP and documentation
PRODUCT RANGE

Available Configurations

Final construction follows the approved drawing, alloy specification, mass, attachment and quality plan.

Aluminum Ballast Tank Anodes

Aluminum Ballast Tank Anodes

Available to the specified alloy, dimensions, net mass, attachment details, inspection scope and approved project drawing.

Zinc Ballast Tank Anodes

Zinc Ballast Tank Anodes

Available to the specified alloy, dimensions, net mass, attachment details, inspection scope and approved project drawing.

Weld-On Tank Anodes

Weld-On Tank Anodes

Available to the specified alloy, dimensions, net mass, attachment details, inspection scope and approved project drawing.

Bar and Block Tank Anodes

Bar and Block Tank Anodes

Available to the specified alloy, dimensions, net mass, attachment details, inspection scope and approved project drawing.

TECHNICAL SPECIFICATION

Parameters to Confirm Before Purchase

Use project-specific values. A generic catalogue value is not a substitute for the approved cathodic-protection calculation or purchase specification.

Tank dataTank type, count, wetted surface area, internal geometry, access and location.
Coating conditionCoating system, age, breakdown factor and repair or newbuild status.
Operating cycleBallast frequency, fill duration, empty periods, salinity and temperature range.
AnodeSpecified aluminum or zinc alloy, shape, net mass, dimensions and quantity.
Mounting and safetyWeld-on or bolt-on details, insert, clearance, paint interface, ventilation and hydrogen review.
DocumentsApproved layout, alloy and inspection records, marking, packing, ITP and class documents by order scope.
APPLICATIONS

Typical Protected Assets

Application labels help route the inquiry; the final anode selection still requires engineering inputs.

1

Ship ballast tanks

2

Newbuild vessels

3

Drydock replacement

4

Offshore vessel tanks

5

Commercial workboats

6

Seawater compartments

MANUFACTURING AND QA

Control the Drawing, Alloy, Mass and Interface

Manufacturing review should confirm alloy charge control, mould and core arrangement, insert preparation, casting condition, dimensions, net mass, electrical continuity, marking and packing.

Inspection and document scope must be agreed in the purchase order. Any potential, capacity, efficiency or service-life statement should identify the governing test or calculation conditions.

Available Documentation by Order Scope

• Approved production drawing
• Alloy or chemistry record
• Net-weight inspection
• Dimensional inspection
• Insert or cable continuity
• Marking and packing record
• ITP and witness records
• Project-specific certificates
FAQ

Technical and Procurement Questions

How is the correct anode type selected?+
Selection must start from the protected asset, electrolyte or soil, resistivity, temperature, coating condition, approved current demand, target life, governing specification and installation constraints.
Can HELE manufacture to a customer drawing?+
Yes. Manufacturability can be reviewed against the approved alloy, net mass, dimensions, insert or core, cable, mounting, tolerances, marking and inspection scope.
What performance values should be specified?+
State the required potential, capacity or efficiency together with the alloy standard, test method, electrolyte, temperature, duration and reference-electrode scale. Unqualified values are not directly comparable.
What determines service life?+
Service life depends on actual current demand, coating condition, environment, alloy capacity, utilization factor, net anode mass, anode resistance, placement and electrical continuity.
What quality documents are available?+
Depending on the purchase order, the document package can include approved drawings, alloy or chemistry records, weight and dimensional inspection, continuity checks, marking, packing and agreed ITP records.
What should I include in an RFQ?+
Provide tank count and surface area, coating system and breakdown, water salinity and temperature, ballast cycle, approved current demand, alloy and model, net mass, mounting layout, target life, vessel and class details, quantity and delivery date.
TECHNICAL RFQ

Send the Inputs Needed for a Useful Quote

Provide tank count and surface area, coating system and breakdown, water salinity and temperature, ballast cycle, approved current demand, alloy and model, net mass, mounting layout, target life, vessel and class details, quantity and delivery date.

HELE reviews manufacturability and supply scope. Final cathodic-protection design responsibility must be defined by the project parties.

Supported formats: PDF, JPG, PNG, STEP, IGES, STL, DWG (Max 20MB)