
Self-bunded tanks, also known as double-walled tanks, are a safe and effective storage system for fuel and other liquids. They are designed with an inner and outer tank, also referred to as a tank within a tank or double-skinned design. This unique construction provides a robust solution for storing large volumes of liquids, typically ranging from 1,000 litres to 150,000 litres. The space between the inner and outer tanks serves as a leak containment system, reducing the risk of environmental contamination and product loss. With easy installation and flexible rental options, self-bunded tanks offer a reliable and cost-effective choice for businesses requiring on-site fuel storage.
| Characteristics | Values |
|---|---|
| Description | A self-bunded tank is a tank within a tank. |
| Construction | Double steel walls with an inner and outer tank. |
| Function | Used for the safe and effective storage of fuel, diesel, and other liquids. |
| Capacity | Typically ranges from 1,000 litres to 150,000 litres. |
| Benefits | Reduces the chances of environmental contamination, easy installation, and minimises costs. |
| Usage | Suitable for fuel, diesel, petroleum, petrochemicals, oil, waste oil, and aviation fuels. |
| Portability | Can be easily relocated and used in remote locations. |
| Design Variations | PETRO PC Cube, Liquitainer, PT Series, and T Series. |
| Standards | Meets Australian standards and regulations. |
| Compliance | Compliant with environmental, maintenance, and safety requirements. |
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tank-within-a-tank''>Self-bunded tanks are a 'tank within a tank'
Self-bunded tanks are a tank within a tank. They are also known as double-skinned or double-walled tanks. They are used for the safe and effective storage of fuel, diesel, petroleum, petrochemicals, oil, waste oil, lubricants, chemicals, biodiesel and other liquids. Self-bunded tanks are suitable for businesses that require large volumes of fuel or other liquids to be available on-site. They are also useful for minor storage needs.
Self-bunded tanks have an inner and outer tank with a gap in between. The inner tank serves as the storage cell for the fuel, while the outer tank acts as a spill or leak containment system. This outer tank is also known as the 'bund'. The gap between the inner and outer tanks has a capacity of 110% of the inner tank, which is the Australian standard. This space catches any leakages, reducing the risk of environmental contamination and the loss of product. The double-walled design also provides extra strength and durability, making it highly unlikely that liquid will spill through and contaminate the surrounding area.
Self-bunded tanks are available in a range of filling capacities, from 450 litres to 110,000 litres. They can be easily relocated and used in remote locations. Installation is simple and direct, and customised fuel management systems, tank alarms and other pumping and dispensing systems can be fitted according to specific business requirements. Self-bunded tanks can be transported by sea, rail, air or road, and they are stackable when empty.
Self-bunded tanks are one of the most environmentally friendly bulk liquid storage options due to their ability to mitigate the risk of pollution. They also eliminate the need for complex bunding requirements, providing a cost-effective and versatile solution for businesses.
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They are also known as double-skinned or double-walled tanks
Self-bunded tanks are also known as double-skinned or double-walled tanks because they are designed with two "skins" or "walls". This design feature means that self-bunded tanks are effectively a tank within a tank. The inner tank acts as the storage cell for the fuel, while the outer tank acts as a spill or leak containment system. This outer tank is also known as the 'bund'.
The gap between the inner and outer tanks serves as a bund, with a capacity of 110% of the inner tank. This space catches any leakages, reducing the risk of environmental contamination and product loss. The bund wall is designed to be robust, making spillage or leaks through the first wall highly unlikely.
The double-walled design of self-bunded tanks offers several advantages over single-skin tanks. The additional wall provides greater structural strength and seismic strength, making them ideal for storing large amounts of liquids safely and securely. The risk of pollution is also mitigated, making them one of the most environmentally friendly bulk liquid storage options.
Self-bunded tanks can be easily relocated and are suitable for remote locations. They are available in a range of filling capacities and can be customised with fuel management systems, tank alarms, and other pumping and dispensing systems.
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They are used for the safe storage of fuel, diesel and other liquids
Self-bunded tanks are used for the safe storage of fuel, diesel, and other liquids. They are also known as double-walled tanks or double-skinned tanks, as they feature two layers of steel walls. This design ensures that any leaks from the inner tank are caught by the outer wall, reducing the risk of environmental contamination and product loss. The space between the inner and outer tanks serves as a bund, providing a capacity of 110% of the inner tank's volume, which eliminates the need for an external spill containment system.
The strength and durability of self-bunded tanks make them a reliable option for fuel storage. They can store large amounts of liquids, ranging from 1,000 litres to 150,000 litres, reducing the need for frequent refuelling trips. Additionally, their easy installation minimises setup costs and time. Self-bunded tanks are also versatile and can be easily relocated on-site, making them suitable for remote locations.
These tanks are particularly useful for businesses that require large volumes of fuel or other liquids to be stored on-site. By using self-bunded tanks, businesses can ensure compliance with strict environmental laws and regulations while also benefiting from the tanks' cost-effectiveness and versatility. Self-bunded tanks can be customised with fuel management systems, tank alarms, and pumping and dispensing equipment to meet specific business requirements.
Furthermore, self-bunded tanks are designed for safe and efficient transportation. Their innovative designs, such as the PETRO LT (Liquitainer) Series, offer strength and maximise footprint. These tanks can be transported by sea, rail, air, or road, providing flexibility in delivery options. The PC Cube design from PETRO Industrial also allows for stacking when empty, further enhancing space utilisation during transportation.
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Self-bunded tanks are highly durable and reliable
The double steel walls of self-bunded tanks are robust and designed to prevent leaks or spills. Even if the liquid leaks through the first wall, the second wall prevents it from contaminating the entire area. The durability and strength of these tanks are further enhanced by their ability to withstand extreme weather conditions, making them ideal for agricultural settings exposed to harsh environments. The tanks are also easily transportable and can be relocated on-site, making them suitable for remote locations.
The installation process for self-bunded tanks is straightforward and can be customised with fuel management systems, tank alarms, and pumping and dispensing systems. The tanks are designed to meet strict environmental regulations and provide cost savings, making them a safe and effective storage system. The structural design of some self-bunded tanks, such as the PETRO PC Cube, allows them to be moved when full of liquid and stacked up to three high when empty.
Self-bunded tanks are built to last and are designed to stand the test of time. The durability of these tanks is further demonstrated by their ability to withstand high-pressure applications. The choice of tank material, such as steel or polyethylene, can be made based on factors like the type of fuel stored, environmental conditions, and intended lifespan. Overall, self-bunded tanks offer a reliable and durable solution for fuel storage, ensuring that fuel is readily accessible for day-to-day operations.
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They are available in a range of filling capacities
Self-bunded tanks are available in a wide range of filling capacities, from 450 litres to 200,000 litres. This makes them suitable for a variety of applications, from minor storage needs to large-scale operations. For example, a farmyard operation may require a smaller self-bunded tank, while a mining operation may need a much larger one.
The capacity of a self-bunded tank is an important consideration when choosing the right tank for your business. With capacities ranging from 1,000 litres to 150,000 litres, businesses can store large amounts of fuel on-site, reducing the need for vehicles or machinery to refuel off-site. This can save time and resources for businesses, as well as take advantage of bulk purchase fuel prices.
The flexibility of self-bunded tanks means that they can be customised to suit specific requirements, including high-flow components for industries such as road transport. The ability to tailor the tank to your needs ensures that you can find a cost-effective solution for your business.
PETRO Industrial, for instance, offers a range of self-bunded fuel tanks with varying capacities. Their PC Cube, Liquitainer, PT Series, and T Series tanks are available in sizes from 450L to 200,000L. The PT Series, in particular, offers a range of features such as full under-tank visibility and a rounded rectangular design, with capacities ranging from 12,000L to 110,000L.
The availability of different filling capacities in self-bunded tanks provides businesses with the flexibility to choose the right tank for their unique needs, ensuring efficient and effective fuel storage.
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Frequently asked questions
A self-bunded fuel tank, also known as a double-walled tank, is a tank within a tank. It has double steel walls that allow for effective and safe storage of fuel, diesel, and other liquids.
Self-bunded tanks can store large amounts of liquids, typically ranging from 1,000 litres to 150,000 litres. They are also environmentally friendly as they reduce the chances of environmental contamination by capturing any leaks between the inner and outer tanks. Additionally, they are easy to install and can be used in remote locations.
Single-skin tanks have lower structural strength and seismic strength, and they may require additional bunding systems to comply with environmental regulations. The bund can fill up with rainwater and leaves, requiring ongoing maintenance, and if fuel contaminates the water, it must be removed by a waste management specialist.
Self-bunded tanks can be used to store a variety of liquids, including fuel, diesel, petroleum, petrochemicals, oil, waste oil, lubricants, and aviation fuels.
Some specific models of self-bunded fuel tanks include the PETRO PC Cube, Liquitainer (LT Series), and PT Series, which offer different features and capacities to suit various applications.




















