Vaulted Storage Tank

Need a tough, budget-friendly storage solution for non-volatile liquids? Our vaulted storage tank is the answer. Ideal for holding lubricating oil, water, edible oil, or low-volatility chemicals, its fixed dome design delivers steady performance—easy to set up, cheap to maintain, and trusted by food factories, refineries, and water treatment facilities worldwide.

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Need a tough, budget-friendly storage solution for non-volatile liquids? Our vaulted storage tank is the answer. Ideal for holding lubricating oil, water, edible oil, or low-volatility chemicals, its fixed dome design delivers steady performance-easy to set up, cheap to maintain, and trusted by food factories, refineries, and water treatment facilities worldwide.

Key Features & Material:

Boasts a self-supporting fixed dome for strong structural stability. Tank body is made of Q235B/Q345R carbon steel, with food-grade epoxy coating for edible products or anti-rust paint for chemicals. Comes with breathing valves (for pressure balance), liquid level monitors, and manholes for easy inspection and maintenance.

Parameter	Specification
Volume	100-20,000 m³ (customizable)
Tank Diameter	5-35m
Roof Type	Fixed Self-Supporting Dome
Design Pressure	-0.5~2kPa (Micro-Positive)
Suitable Liquids	Non-Volatile (Oil, Water, Etc.)

Advantages:

20-30% cheaper than floating roof tanks, cutting initial costs. Simple structure means less maintenance and fewer repairs. Self-supporting dome saves internal space (no extra supports). Food-grade coating option meets FDA standards. Weatherproof design works great indoors or outdoors, lasting 15+ years with proper care.

Services:

Custom coating based on liquid type; on-site installation and welding; pressure leak testing; breathing valve calibration; 3-year tank body warranty and 1-year for accessories.