NSF 61 Glass Lined Steel Water Storage Tanks for Liquid and Dry Bulk Storage Applications

Product Details
Place of Origin: China
Brand Name: CEC TANKS
Certification: ISO 9001:2008, AWWA D103 , OSHA , BSCI
Model Number: W
Payment & Shipping Terms
Minimum Order Quantity: 1set
Price: $5000~$20000 one set
Packaging Details: PE poly-foam between each two steel plates ; wooden pallet and wooden
Delivery Time: 10-30 days after deposit received
Payment Terms: L/C,T/T
Supply Ability: 60 sets per month

Detail Information

Product Description

NSF 61 Glass Lined Steel Water Storage Tanks for Liquid and Dry Bulk Storage Applications
In municipal water supply systems, public health infrastructure, food processing plants, and multi-faceted industrial complexes, maintaining uncompromised water purity and secure material containment is a mandatory operational requirement. Whether storing millions of gallons of municipal drinking water for public distribution or housing sensitive dry bulk powders, facilities demand containment infrastructure that guarantees absolute hygiene, chemical inertness, and structural resilience.
When public health and safety are on the line, storage vessels must meet rigorous third-party certifications, most notably NSF/ANSI Standard 61, which regulates health effects of drinking water system components. To achieve this level of regulatory compliance while retaining the versatility to handle dual liquid and dry bulk applications, modern engineers rely on NSF 61 Certified Glass-Lined Steel (Glass-Fused-to-Steel) Water Storage Tanks. Engineered by Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel), these advanced modular tanks deliver world-class safety and durability.
The Critical Demands of Potable Water and Dry Bulk Containment
Designing storage infrastructure that bridges municipal water security and industrial dry bulk management requires addressing unique engineering challenges:
  1. Strict Public Health Compliance (NSF/ANSI 61): Tanks designated for drinking water or food-grade storage must prevent any toxic chemical leaching, heavy metal migration, or organic compound contamination into the water supply.
  2. Microbial and Algae Resistance: Standing water reservoirs can become breeding grounds for bacteria, biofilm, and algae if interior surfaces feature micro-cracks, pores, or rough seams.
  3. Dual-Purpose Versatility: Modern facilities often require structural designs capable of seamlessly adapting between liquid water storage and moisture-sensitive dry bulk powders without risking structural degradation or cross-contamination.
Technical Superiority of Center Enamel's NSF 61 GFS Tanks
Center Enamel combines heavy-duty modular engineering with advanced glass-lining technology to satisfy the most stringent international standards:
  • High-Temperature Thermal Fusion (Glass-Fused-to-Steel): Inorganic glass enamel frit is applied to high-strength structural steel plates and thermally fused in specialized furnaces at extreme temperatures between 820°C and 930°C. This creates an inseparable molecular bond that unites the structural strength of steel with the absolute chemical inertness of glass.
  • Non-Porous, Hygienic Interior: Certified under NSF/ANSI 61, the smooth, glass-lined interior provides zero foothold for bacteria, mold, or biofilm. It is completely non-leaching, ensuring drinking water remains crisp, pure, and safe.
  • Modular Bolted Flexibility: Prefabricated under strict ISO-certified factory conditions, the modular panels are bolted together on-site using specialized industrial gasketing and encapsulated hardware, enabling rapid erection for both liquid reservoirs and dry bulk silos.
Comparative Matrix: Storage Tank Technologies
Evaluation Metric Center Enamel NSF 61 GFS Tank Poured-in-Place Concrete Reservoir Traditional Field-Welded Steel Tank
Hygienic & NSF 61 Compliance Certified (Inert glass surface prevents chemical leaching and microbial growth) Variable (Requires specialized, high-maintenance epoxy coatings to meet drinking water safety) Variable (Dependent on field-applied epoxy coatings that can degrade over time)
Corrosion & Chemical Defense Superior (Inert glass completely resists water chlorination, acids, and bulk abrasion) Moderate (Vulnerable to concrete carbonation, chloride attack, and seepage) Low (Dependent on field-applied coatings that pit, blister, and peel quickly)
Installation Velocity Fast (Prefabricated modular panels bolted rapidly on-site with zero curing delays) Very Slow (Months of formwork, concrete pouring, and multi-week curing phases) Moderate (Requires heavy field plate rolling, welding, and radiograph testing)
Versatility (Liquid & Dry Bulk) High (Easily configured with geodesic domes, hoppers, and discharge systems) Limited (Permanent civil structure; difficult to retrofit for dry bulk handling) Limited (Destructive cutting required to modify internals)
Frequently Asked Questions (FAQ)
Q: What does NSF/ANSI Standard 61 certification mean for a water storage tank?
A: NSF/ANSI Standard 61 certification ensures that all materials coming into contact with drinking water—such as the tank's interior glass-lined panels and sealing gaskets—do not leach harmful contaminants, chemicals, or heavy metals into the water supply, guaranteeing public health safety.
Q: Can glass-lined steel tanks be used for both liquid water and dry bulk storage?
A: Yes. Center Enamel's modular bolted tanks can be engineered with specialized accessories. For liquid water, they feature NSF-certified sealing systems and open-top or dome roofs; for dry bulk applications, they can be configured with aerodynamic aluminum geodesic domes, hopper bottoms, and pneumatic discharge systems.
Q: How do glass-lined (GFS) tanks prevent bacterial growth compared to concrete basins?
A: Concrete is naturally porous and prone to micro-cracking, creating microscopic niches where bacteria and biofilm can accumulate. Glass-lined steel tanks feature a smooth, non-porous, glass-fused surface that inhibits bacterial colonization and allows for easy, thorough cleaning.
Q: What international standards do Center Enamel's NSF 61 tanks comply with?
A: In addition to NSF/ANSI 61 for potable water safety, Center Enamel's tanks are designed and manufactured in strict accordance with global engineering benchmarks, including AWWA D103-09, ISO 9001, and ISO 28765.

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Shijiazhuang Zhengzhong Technology Co., Ltd
sales@cectank.com
86-20-34061629
Fuli Commercial Center room 301#, Xingang West Rd.11#, Haizhu area, Guangzhou, Guangdong province, China.
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