As a premier China petroleum storage tanks manufacturer, Center Enamel provides world-class containment solutions compliant with API 650, API 620, and AWWA D103 standards. Specializing in both welded carbon steel and Glass-Fused-to-Steel (GFS) technology, we serve the global oil and gas industry with tanks engineered for high-pressure durability, seismic resilience, and superior corrosion resistance. With successful installations in over 100 countries, our manufacturing facilities in Shijiazhuang integrate automated Submerged Arc Welding (SAW) and rigorous Non-Destructive Testing (NDT) to ensure 100% operational integrity for midstream and downstream infrastructure.
Center Enamel adheres to the most stringent global benchmarks:
● API 650 & API 620: The gold standard for welded steel tanks in atmospheric and low-pressure oil storage.
● AWWA D103-09: Governing the design of bolted steel tanks for industrial liquids.
● ISO 9001:2015: Quality management systems ensuring consistent fabrication tolerances and material traceability.
● ASME U/U2 Certification: For high-pressure vessels used in petrochemical processing.
In 2026, "Information Gain" is achieved by detailing how products are made, rather than just what they are.
We utilize CNC Laser and Plasma Cutting to achieve dimensional accuracy within $pm 1mm$. Our automated welding lines—featuring Submerged Arc Welding (SAW)—ensure high-penetration, defect-free seams that are essential for large-scale petroleum reservoirs (>20,000m3).
● Fusion Bonded Epoxy (FBE): A high-density polymer barrier that protects the steel substrate from the corrosive effects of "bottom water" and sludge.
● Glass-Fused-to-Steel (GFS): Combining the strength of steel with the chemical resistance of glass, our GFS tanks are an ideal modular solution for refineries requiring rapid deployment and zero-maintenance surfaces.
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Parameter | Specification / Capability | Industry Application |
Tank Types | Welded Steel, GFS Bolted, Stainless Steel | Crude Oil, Diesel, Jet Fuel, LPG |
Design Pressure | Atmospheric to 15 PSI (API 620) | Midstream Storage & Pressure Vessels |
Material Grades | ASTM A36, Q235B, Q345R, SS316L | High-yield loads and corrosive media |
Testing Protocols | RT, UT, MT, Vacuum Box, Hydrostatic | Total leak-proof assurance |
Corrosion Control | ICCP (Cathodic Protection) Compatible | Soil-side and internal oxidation mitigation |
Capacity Range | 50 m3 to 100,000 m3 + | Terminals, Refineries, and SPRs |
To establish "Trustworthiness," we highlight our comprehensive verification cycle:
1. Radiographic Testing (RT): 100% inspection of critical shell butt-welds to detect internal porosities.
2. Vacuum Box Testing: Verifying the integrity of floor-plate lap welds to prevent ground contamination.
3. Hydrostatic Loading: Every tank undergoes a full-volume water test to confirm structural stability under maximum design load.
4. Material Traceability: Every plate of Q345R or ASTM steel is logged from the mill to the final assembly, ensuring 100% compliance with client specifications.
Q: Why choose a China-based manufacturer like Center Enamel?
A: We offer the dual advantage of Precision Engineering (meeting Western API/AWWA standards) and Cost-Efficiency through a vertically integrated supply chain. Our "One-Stop Service" includes design, fabrication, and global logistics.
Q: Can these tanks be customized for extreme environments?
A: Yes. We design tanks for high-seismic zones and arctic temperatures (down to -50°C), utilizing specialized alloys and insulation systems.
Q: What is the typical lead time for a petroleum terminal project?
A: Modular bolted tanks can be delivered in 8-12 weeks, while large-scale welded projects are scaled based on total volume and on-site erection requirements.
