Bolted Water Storage Tanks: Global Leadership with Glass-Fused-to-Steel Technology by Center Enamel
Created on 01.14
Bolted Water Storage Tanks: Global Leadership with Glass-Fused-to-Steel Technology by Center Enamel
As global demand for safe, durable, and sustainable water storage continues to grow, the need for advanced tank solutions has never been more critical. From municipal drinking water systems and industrial water storage to fire protection and agricultural irrigation, water storage infrastructure must meet the highest standards of safety, durability, and long-term performance. Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) stands at the forefront of this industry as a global leader in bolted water storage tanks, delivering world-class solutions through its proprietary Glass-Fused-to-Steel (GFS) tank technology.
Since 2008, Center Enamel has been dedicated to the design, engineering, and manufacturing of bolted storage tanks. With decades of industry experience, nearly 200 enameling patents, and projects completed in more than 100 countries, Center Enamel has earned its reputation as Asia’s most experienced professional bolted tank manufacturer and a trusted global partner for water storage solutions.
The Growing Importance of Bolted Water Storage Tanks
Water is one of the world’s most valuable resources, and proper storage is essential for ensuring supply reliability, public health, and environmental protection. Traditional welded steel or concrete tanks often face challenges such as corrosion, cracking, long construction cycles, and high maintenance costs. In contrast, bolted water storage tanks offer a modern, flexible, and cost-effective alternative.
Bolted tanks are prefabricated in controlled factory environments and assembled on-site using high-strength bolts and sealing systems. This design provides significant advantages:
Faster installation with reduced on-site labor
Consistent quality control
Easy transportation to remote or challenging locations
Expandability and relocation flexibility
Lower lifecycle costs
When combined with Glass-Fused-to-Steel coating technology, bolted tanks become one of the most reliable and durable water storage solutions available today.
Glass-Fused-to-Steel Technology: The Core of Center Enamel’s Excellence
Glass-Fused-to-Steel (GFS), also known as Glass-Lined Steel (GLS), is an advanced coating technology that permanently fuses glass to steel at high temperatures ranging from 820°C to 930°C. During this process, molten glass reacts with the surface of specially prepared steel plates, creating a chemically and mechanically bonded composite material.
This unique fusion combines the strength and flexibility of steel with the exceptional corrosion resistance of glass, resulting in a tank material that outperforms traditional coatings such as epoxy or paint.
Key Technical Advantages of GFS Technology
Outstanding corrosion resistance, suitable for harsh water environments
Acid and alkali resistance (standard pH 3–11, special pH 1–14)
Non-porous, smooth, and inert surface, preventing bacterial growth
Excellent wear and impact resistance
Long service life of 30 years or more
Gas and liquid impermeability
Center Enamel is the first manufacturer in China to independently develop double-sided enameling technology for hot-rolled steel plates, ensuring complete protection on both the internal and external tank surfaces.
Center Enamel: A Pioneer in Bolted GFS Water Storage Tanks
Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) is not only the first company in China to produce Glass-Fused-to-Steel tanks, but also the most experienced bolted tank manufacturer in Asia. Supported by a professional enameling R&D team and state-of-the-art manufacturing facilities, Center Enamel continues to push the boundaries of innovation and quality.
Certified to International Standards
Center Enamel’s bolted GFS water storage tanks are designed, manufactured, and tested in strict accordance with international standards, including:
AWWA D103-09
ISO 28765
NSF/ANSI 61 (for potable water)
OSHA
NFPA
EN1090 / CE
WRAS
FM Approval
ISO 9001 & ISO 45001
These certifications ensure that Center Enamel’s tanks meet the most stringent global requirements for drinking water safety, structural integrity, and operational reliability.
Technical Specifications of Bolted GFS Water Storage Tanks
Center Enamel’s Glass-Fused-to-Steel bolted water storage tanks are engineered with precision and consistency. Typical specifications include:
Coating thickness: 0.25 – 0.45 mm
Adhesion strength: ≥3450 N/cm²
Hardness: 6.0 (Mohs scale)
Holiday test voltage: ≥1500 V
Permeability: Gas- and liquid-tight
Service life: ≥30 years
Available in a wide range of diameters, heights, and storage capacities, GFS tanks can be fully customized to meet specific project requirements.
Advantages of Bolted GFS Water Storage Tanks
1. Superior Corrosion Resistance
Thanks to the chemically inert glass surface, GFS tanks resist corrosion far better than traditional welded steel or epoxy-coated tanks. This makes them ideal for long-term water storage in both clean and aggressive environments.
2. Fast and Efficient Installation
The modular bolted design allows tanks to be shipped efficiently and assembled quickly on-site. This significantly reduces construction time, labor costs, and project delays.
3. Low Maintenance Requirements
The smooth, glossy glass surface prevents scale buildup and biological growth, minimizing cleaning and maintenance needs throughout the tank’s service life.
4. Long-Term Cost Effectiveness
While offering premium performance, bolted GFS tanks deliver excellent value through reduced maintenance, extended lifespan, and lower lifecycle costs compared to traditional storage solutions.
5. Aesthetic and Color Durability
GFS tanks maintain long-lasting color stability without fading or chalking. Multiple color options are available, including black blue, grey olive, forest green, cobalt blue, desert tan, and more.
Applications of Bolted GFS Water Storage Tanks
Center Enamel’s bolted water storage tanks are widely used across diverse sectors:
Drinking Water Storage
Municipal water supply systems
Urban and rural water storage
Emergency and backup water reservoirs
Certified to NSF/ANSI 61, GFS tanks ensure safe and hygienic storage of potable water.
Industrial Water Storage
Process water storage
Cooling water systems
Industrial utility water
Fire Water Storage
Industrial fire protection systems
Airports and commercial complexes
Emergency fire water reservoirs
Agricultural Water Storage
Irrigation water storage
Rainwater harvesting systems
Fertilizer and slurry storage
Wastewater and Treated Water Storage
Municipal sewage treatment plants
Industrial wastewater facilities
Landfill leachate storage
Proven Global Project Experience
Center Enamel’s bolted GFS water storage tanks have been successfully installed in more than 100 countries, including the USA, Australia, Canada, Brazil, Saudi Arabia, Malaysia, Indonesia, UAE, Russia, Panama, South Africa, and beyond.
Notable achievements include:
Fabrication and installation of the highest 34.8 m GFS tank
Design and manufacture of Asia’s largest single GFS tank (32,000 m³)
Record-breaking 21,094 m³ single tank volume
These milestones reflect Center Enamel’s unmatched engineering capability and commitment to excellence.
Advanced Manufacturing and Innovation
Center Enamel operates a modern manufacturing base with over 150,000 m² of production area, supported by:
Smart manufacturing workshops
Innovation R&D centers
Corporate technology exhibition halls
Comprehensive quality control systems
Continuous investment in research and development ensures that Center Enamel remains at the leading edge of bolted tank technology worldwide.
A Trusted Global Partner for Water Storage Solutions
As an outstanding containment and cover system provider, Center Enamel is committed to building long-term partnerships with clients around the world. From project consultation and engineering design to manufacturing, installation support, and after-sales service, Center Enamel delivers end-to-end water storage solutions tailored to each customer’s needs.
Bolted Water Storage Tanks with Glass-Fused-to-Steel technology represent the future of reliable, durable, and sustainable water storage. With unparalleled corrosion resistance, fast installation, low maintenance, and proven global performance, Center Enamel’s GFS tanks set the benchmark for the industry.
Backed by decades of experience, international certifications, cutting-edge innovation, and a global project portfolio, Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) is your trusted partner for bolted water storage tank solutions—today and for generations to come.
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