Hot-Dip Galvanized (HDG) Water Tanks are sectional steel tanks whose panels, flanges, and fixtures are immersed in molten zinc, creating a robust corrosion-resistant coating. This galvanizing process ensures a durable finish that withstands harsh environmental factors and offers long-lasting structural integrity.
Why Choose HDG Tanks?
- Exceptional Corrosion Protection – The thick zinc coating shields steel panels from rust, making HDG tanks ideal for outdoor water storage—even under coastal or industrial exposures.
- Extended Lifespan – Properly maintained HDG panels can last 50+ years, significantly outlasting untreated steel alternatives by up to a decade.
- Modular & Flexible – Constructed from bolted panels, HDG tanks can be assembled in virtually any size, shape, or layout—ground-mounted, elevated, or even partially buried.
- Cost-Effective – Compared to stainless steel, HDG offers comparable durability at a lower cost, delivering strong performance per investment.
Versatile Applications
HDG Water Tanks are well-suited for:
- Potable and process water storage.
- Rainwater harvesting systems.
- Fire water reserves.
- Agricultural and irrigation use.
- Chemical, reclaimed, or wastewater storage.
Their modular nature allows easy expansion or reconfiguration to meet evolving needs.
Choosing Between HDG and Stainless Steel Tanks
Both hot-dip galvanized and stainless steel tanks offer long-term solutions, but each suits different applications:
- Stainless Steel Tanks – Ideal for aggressive chemical environments or highly regulated potable water applications. They provide superior corrosion resistance but come with higher upfront costs.
- HDG Steel Tanks – A more economical option offering reliable protection against rust, UV, and weathering. Well-suited for general water storage, fire reserves, or agricultural use—especially where cost-efficiency and modularity matter.
If you need high durability without exceeding your budget, HDG tanks strike the perfect balance between performance and affordability.

Key Advantages for Your Project
- Rapid On-site assembly reduces downtime and labor.
- Design flexibility adapts to tight spaces and unusual geometries.
- Low upkeep needs, with occasional inspections and cleaning preserving structural health.
- Eco-friendly zinc coating is safe—even for drinking water environments.
Ready to Get Started?
Need a reliable, long-lasting HDG tank solution? Our team provides expert guidance, 3D design mock-ups, and accurate quotes to help you choose the right system.
Call Raven Tanks at 1800 907 834
Or email at [email protected].