Do You Know Water Tank Types, Sizes and Materials?

A modular water tank refers to a water storage system assembled by square panel modules through welding or bolted connections. The standard panel sizes are typically 1.0×1.0m or 1.22×1.22m square panels.

1.Common Types of Water Tanks

By Material & Manufacturing Process

• Galvanized Steel Water Tank
• Hot-Dip Galvanized (HDG) Water Tank
• Stainless Steel Water Tank
• FRP (Fiberglass Reinforced Plastic) Water Tank
• Ribbed Panel Water Tank

By Installation Method

• Welded Type
• Bolted Type

By Installation Position

• Underground Water Tank
• Elevated Water Tank

By Thermal Insulation Requirement

• Insulated Water Tank
• Non-insulated Water Tank

By Shape

• Rectangular Modular Water Tank
• Cylindrical / Round Water Tank

2.Common Structural Components

• Inlet / Outlet / Overflow / Drainage Ports
• Ventilation Port / Level Indicator / Flanges / Fire-fighting Connections
• Ladders, Tie Rods, Bolts, Nuts
• Angle Steel, Channel Steel, Structural Frames
• Sealing Strips, Polyurethane Insulation Material, Anti-rust Coating

3.Common Materials

Stainless Steel

• SUS201
• SUS304
• SUS316

Steel Materials

• Galvanized Steel Sheets
• Hot-Dip Galvanized Steel Panels

FRP

• Fiberglass Reinforced Plastic (FRP) Panels

4.Common Panel Sizes

• 0.5 × 0.5 m
• 1.0 × 0.5 m
• 1.0 × 1.0 m
• 2.0 × 1.0 m
• 1.22 × 1.22 m

5.Common Panel Thickness

Galvanized Steel

• 1.5 / 2.0 / 2.5 / 3.0 / 3.5 / 4.0 / 4.5 mm

Hot-Dip Galvanized Steel

• 2.0 / 2.5 / 3.0 / 3.5 / 4.0 / 4.5 / 5.0 mm

Stainless Steel

• 1.5 / 2.0 / 2.5 / 3.0 / 3.5 / 4.0 mm

Large HDG Panels (1.22 × 1.22 m)

• 3.0 / 4.0 / 5.0 / 6.0 mm

6.Common Characteristics of Water Tanks

Hot-Dip Galvanized Steel (HDG)

• Cost-effective solution
• Good corrosion resistance
• Widely used for fire water tanks and industrial water storage
• Suitable for underground and semi-underground installations

Stainless Steel (Mainstream Choice)

SUS304 Stainless Steel

• Common for domestic and drinking water storage
• Excellent corrosion resistance
• High cost-performance ratio

SUS316 Stainless Steel

• Superior resistance to chlorine, seawater, and chemical corrosion
• Ideal for industrial and highly corrosive environments

FRP (Fiberglass Reinforced Plastic)

• Lightweight structure
• Strong corrosion resistance
• Non-conductive material
• Commonly used in chemical and special environments

7. Industry Standards

🇨🇳 China Standards

• GB 17219 – Drinking Water Hygiene Standard
• GB 50974 – Fire Water Supply System Code
• CECS 138 – Stainless Steel Water Tank Engineering Standard

International Standards

• ISO 9001 – Quality Management System
• ISO 14001 – Environmental Management System
• ASTM A123 – Hot-Dip Galvanizing Standard
• BS EN 10025 – Structural Steel Standard

Fire Protection Standards

• NFPA 22 – Fire Protection Water Tanks (USA)
• FM Approved – Insurance Certification System
• LPCB – UK Fire Safety Certification

8. Industry Insight: Preferred 1.22 × 1.22 m Panels

In international markets, many clients prefer 1.22 × 1.22 m modular panels, as they perfectly match global construction standards and container dimensions.

👉 1.22 m ≈ 4 ft (imperial system commonly used in overseas engineering projects)

This size offers:

• Better container loading efficiency
• Faster installation speed
• Higher structural stability
• Lower overall logistics cost

Our Advantage

The 1.22 × 1.22 m hot-dip galvanized panel system is one of our core products and a key advantage for overseas projects.

We provide stable long-term supply for global clients.
If you require this specification, we are your reliable partner.