Center Enamel is a premier China Bulk Oil Storage Tanks Manufacturer, specializing in high-capacity welded steel tanks compliant with API 650, API 620, and NFPA 30 standards. Engineered for crude oil, fuel oil, and refined petroleum products, our tanks feature advanced Internal and External Floating Roofs (IFR/EFR) and high-strength ASTM A36/Q345R carbon steel. With a presence in over 100 countries, Center Enamel integrates automated Submerged Arc Welding (SAW) and precision Non-Destructive Testing (NDT) to ensure 100% leak-proof structural integrity for strategic oil reserves and terminal hubs.
Feature | Technical Specification | Strategic Reliability Value |
Design Standards | API 650, API 623, AWWA D100 | Ensures global compliance for atmospheric and low-pressure storage. |
Material Grade | ASTM A36 / Q235B / Q345R / SS316L | Optimized for hydrostatic loads and seismic resilience. |
Welding Protocol | Automated SAW / TIG / MIG | Full-penetration, monolithic seams for zero-leakage security. |
Roof Systems | IFR / EFR / Geodesic Dome | Minimizes VOC emissions and evaporation loss. |
Corrosion Control | Internal FBE / External PU Coatings | Prevents fuel degradation and preserves chemical specs. |
Testing Regimes | Radiographic (RT) / Ultrasonic (UT) | 100% verification of structural and weld integrity. |
For volatile bulk oils and finished fuels, the Internal Floating Roof is the definitive solution. The roof floats directly on the liquid surface within a fixed-roof tank.
● Emission Reduction: Reduces Volatile Organic Compound (VOC) losses by up to 98%, providing a significant financial ROI and environmental compliance.
● Product Purity: Protects the oil from rainwater, sand, and UV degradation, which is critical for maintaining the chemical integrity of refined products.
Typically used for massive crude oil reservoirs, EFRs include primary and secondary seal systems (Mechanical Shoe or Foam) to manage atmospheric exposure while maintaining a flexible barrier against evaporation.
Unlike modular bolted solutions, large-scale welded steel tanks provide a monolithic structure required for massive hydrostatic loads exceeding 60,000 m3.
● Automated Fabrication: Center Enamel utilizes state-of-the-art Submerged Arc Welding (SAW) in a controlled environment to ensure uniform penetration and metallurgical consistency.
● Seismic & Wind Resilience: Every tank is designed using Finite Element Analysis (FEA) to withstand localized seismic events and wind speeds up to 240 km/h, ensuring the security of national energy assets.
● Leak Detection Systems: For bulk oil storage, we offer Double-Bottom designs with interstitial vacuum monitoring, providing an early warning system for floor-plate corrosion.
● Internal Linings: We apply specialized high-solids epoxy linings that prevent the steel substrate from reacting with the oil, ensuring zero rust or scale contamination for high-purity refined fuels.
● Secondary Containment: Our designs facilitate seamless integration with concrete bund walls or double-wall "self-bunded" configurations, satisfying global SPCC (Spill Prevention, Control, and Countermeasure) regulations.
Q: How does Center Enamel manage corrosion in coastal oil terminals?
A: We utilize multi-layer, high-performance Polyurethane (PU) external coatings and, where necessary, Cathodic Protection (CP) systems to mitigate the corrosive effects of salt air and soil-side oxidation.
Q: Are these tanks compliant with international fire codes?
A: Yes. Every tank is engineered with required safety hardware, including Emergency Pressure/Vacuum Relief Vents (PVRV) and Flame Arrestors compliant with NFPA 30 standards.
Q: Can these tanks be used for biofuels or aggressive chemical storage?
A: Absolutely. Depending on the media, we can upgrade the substrate to Stainless Steel (304/316L) or apply specialized Glass-Fused-to-Steel (GFS) technology for pH 1–14 chemical resistance.
