Underground Petrol Storage Tank
The Underground Petrol Storage Tank is a container that is installed underground to store gasoline safely and efficiently. These tanks are commonly used in gas stations and industrial facilities where large quantities of gasoline need to be stored carefully and safely.
High-strength double-layer structure design
The Underground Petrol Storage Tank adopts a composite structure of 4mm thick fiberglass outer layer + 3mm thick carbon steel liner, with a leak detection interlayer in the middle. According to the UL 58 standard test, it can withstand 2 times the working pressure (0.4MPa) for 48 hours without leakage, and the soil pressure resistance performance is 80% higher than that of the single-layer structure.
Triple anti-corrosion protection system
The inner liner of our product adopts thermal spray aluminum coating (thickness ≥150μm) with sacrificial anode protection, and the cathodic protection potential is stable in the range of -0.85V to -1.2V.
Intelligent leakage monitoring system
The high-sensitivity sensor (detection accuracy 0.1L/h) is arranged in the interlayer of our product, and with the pressure test interface, the integrity of the inner and outer walls can be monitored in real time.
Why Choose Us
Shandong Tengxing New Energy Technology Co., Ltd. is a comprehensive enterprise specializing in the research, development, design, production, installation, and maintenance of specialized equipment, with a particular focus on various types of oil storage containers such as mobile fuel stations, self bunded fuel tanks, container fuel stations, ISO tank containers, above-ground fuel storage tanks, and underground fuel storage tanks.
The company covers an area of 18,000 square meters and has 108 professional technicians. We have obtained ISO and UL142 certifications, and hold a special equipment production license and a number of patent certificates.
FAQ
Q: What is an underground petrol storage tank used for?
A: It is used to safely store large volumes of petrol below ground, typically at fuel stations, airports, and industrial facilities. This setup helps maximize surface space and provides long-term fuel storage while minimizing fire and environmental exposure.
Q: What materials are used to construct underground petrol tanks?
A: Most modern underground petrol tanks are made from fiberglass-reinforced plastic (FRP) or double-wall steel with corrosion-resistant coatings. These materials offer excellent chemical resistance, structural strength, and long-term durability in underground environments.
Q: How is leakage prevented or detected in underground petrol tanks?
A: These tanks often feature double-wall construction with an interstitial space equipped with electronic leak detection systems. If the inner tank leaks, the monitoring system detects changes in pressure or liquid presence in the outer layer, providing early warning before fuel reaches the soil.
Q: What standards and regulations apply to underground petrol tanks?
A: They must comply with national and regional regulations such as EPA (Environmental Protection Agency) guidelines in the U.S., as well as UL 58, UL 1316, and NFPA 30 standards. These standards cover tank design, installation, leak detection, and corrosion protection.
Q: What is the lifespan of an underground petrol storage tank?
A: Properly constructed and maintained underground tanks can last 30 to 50 years, depending on the material and environmental conditions. Fiberglass tanks, in particular, offer long service life with minimal corrosion risk, while steel tanks require regular monitoring for coating integrity.
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