Products Description
STYFRP Buried Water Tanks: underground, modular, and built to last. High-strength galvanized steel construction, customizable sizes, zero ground footprint. Perfect for fire, domestic, and industrial water storage projects.
Tags: Buried water tank Underground water tank
Technical parameter




| Physical Properties | Standard Requirement | Result |
| Tensile Strength | ≥ 350 MPa | 405 MPa |
| Yield Strength | ≥ 220 MPa | 296 MPa |
| Elongation | ≥ 23% | 24% |

Buried Galvanized Steel Water Tank
| Tank Height(mm) | Thickness of each panel | |||||
| Bottom | 1st layer | 2nd layer | 3rd layer | 4th layer | Roof | |
| 1000 | 3mm | 3mm | / | / | / | 2mm |
| 1500 | 3mm | 3mm | 3mm | / | / | |
| 2000 | 3mm | 3mm | 3mm | / | / | |
| 2500 | 4mm | 4mm | 3mm | 3mm | / | |
| 3000 | 4mm | 4mm | 3mm | 3mm | / | |
| 3500 | 4mm | 4mm | 3mm | 3mm | 2.5mm | |
| 4000 | 5mm | 5mm | 4mm | 3mm | 2.5mm | |
| 4500 | 5mm | 5mm | 5mm | 4mm | 2.5mm | |
| 5000 | 5mm | 5mm | 5mm | 4mm | 2.5mm | |
| WEIGHT/EACH PANEL | ||||||
| Item | 2mm | 2.5mm | 3mm | 3.5mm | 4mm | 5mm |
| 500 x 500 mm | 6 kg | 7.5 kg | 9 kg | 10.5 kg | 12 kg | 13.5 kg |
| 500 x 1000 mm | 11 kg | 13.5 kg | 16.5 kg | 19 kg | 22 kg | 24 kg |
| 1000 x 1000 mm | 19 kg | 24 kg | 29 kg | 34 kg | 39 kg | 43 kg |
1. Brief Introduction
2. Product Overview & Core Features
2.1 Modular Galvanized Steel Construction
2.2 Built for Underground Durability
2.3 Space-Efficient & Versatile
3. Why Choose STYFRP Buried Water Tanks?
As a professional manufacturer, STYFRP controls every step of the production process. From raw material selection to hydraulic pressing, panel assembly, and final testing, we ensure every component meets strict international quality standards, delivering tanks that last for decades with minimal maintenance.
Whether you need a small 10m³ tank for a residential project or a large 1000m³ tank for a municipal fire system, our modular design allows us to tailor the size, shape, and configuration to your exact specifications. No project is too big or too small for STYFRP.
The bolted modular design enables quick on-site assembly without specialized tools or heavy equipment. This not only cuts down installation time but also reduces labor costs, making STYFRP underground water tanks a more economical choice compared to concrete or welded steel alternatives.
Thanks to the high-quality galvanized steel and advanced sealing technology, STYFRP buried water tanks require almost no maintenance after installation. The corrosion-resistant coating prevents rust and degradation, ensuring reliable performance for 20+ years, even in harsh underground environments.
Our tanks are manufactured with food-grade materials (optional) that are safe for storing drinking water. The modular design also allows for easy disassembly and relocation if needed, making them a sustainable choice for long-term projects.
4. Common Applications
- Fire Protection Systems: Ideal for storing large volumes of water for emergency fire suppression in commercial, industrial, and residential buildings.
- Domestic Water Supply: Provides reliable backup water storage for communities and properties with limited access to municipal water.
- Rainwater Harvesting: Collects and stores rainwater for irrigation, cleaning, and non-potable uses, promoting water conservation.
- Industrial & Agricultural Use: Used for storing process water, wastewater, and irrigation water in factories, farms, and rural areas.
- Municipal Projects: Suitable for public water systems, parks, and infrastructure projects requiring space-efficient water storage.
