If you want to buy a flexitank, there are some important things you should know. Read on to learn more about the Multilayer Flexitank, Auto-release ball valves, Capacity, and Size. After reading this article, you will have all the information you need to make an informed decision. Then, you can start searching for your flexitank online. Just remember to do your research and compare prices.

What Is A Flexitank?

There is always a requirement for bulk liquid items to be shipped from one place to another. Shippers and companies were looking for a way to use a comparatively cheaper option than an ISO tank while still meeting the transportation needs for liquids.

Flexitanks are flexible tank containers that offer secure storage and shipment of liquid cargo in bulk.

The majority of flexitanks offer a capacity between 10,000 liters to 24,000 liters on average. Others are customized according to shipment requirements – ranging from 1,000 liters to 100,000 liters.

History of Flexitank Container

The earliest concept of flexitanks was developed during World War II to transport diesel and fuel by Marston Excelsior — as “non-metallic fuel tanks with self-sealing covers through collaboration with ICI [made of] fabric sandwiched between layers of rubber-like material”.

Following this, in the early 1960s, the US military used flexitanks to store and transport water and diesel fuel. Later, in the 1970s, shippers in the United Kingdom needed to move liquids overseas. But ISO tanks were an expensive option (costing about $5000 each). So, they decided to transport liquids in comparatively cheaper, heavy-duty rubberized bladders.

In the 1990s, these rubber tanks were replaced with more durable and cheaper material, thermoplastic (PVC), retailing at $1850 apiece. These formed the primary prototype for present-day flexitanks, and quickly became a preferable choice for chemical shipments.

Flexitank Bulk Container Transport Benefits

End-to-End Service Our well-rounded team not only has years of experience in freight forwarding, but we also offer a full range of flexitank export services, which include:

  1. Supply
  2. Fit
  3. Drayage
  4. Ocean
  5. AES Filing

Minimize Expenses

If you’re looking for an inexpensive way to transport liquid freight, you can rely on our team for the following reasons:

No need to deal with ISO-tank bookings, flexitanks convert standard dry cargo containers into one-way bulk liquid transportation systems

Transport of 31% more liquid than totes and drums

Quicker loading and unloading

No cleaning costs – Flexitanks are single-use and disposable

Reduced freight charges based on one-way use

Reduced handling costs

Minimal product residue

Eliminate Risk

Safety and security are high priorities here at UWL. That’s why within our Flexitanks’ transportation routes, we can provide the following advantages:

Eliminate the risk of contamination

$5M in liability coverage per FlexiTank

Low-Cost Marine Cargo Insurance can also be provided by UWL

Environmentally Friendly

Another goal for us here at UWL is to emphasize sustainability.  Our flexitank containers for transporting bulk liquids are environmentally friendly because:

Flexitanks are recyclable which helps to cut down on packaging wastes

Flexitanks do not need to be cleaned, which reduces costs and eliminates sanitization procedures that can harm the environment

What Is A Flexitank Made Up Of?

Flexitank container is a bulk liquid storage tank. Composed of many layers of polyethylene and an outer cover of woven polypropylene.

  • They are made from different types of materials such as:
  • Multilayer polyethylene
  • Single and double layer polyethylene
  • Barrier tanks
  • PVC
  • Bottom discharge
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Uses For A Flexitank


Due to their high efficiency and exceptional contamination prevention, flexitanks are used for transporting non-hazardous chemicals. But also for food grade products like edible oil, fruit concentrates, and beverages, among others.

Fuel storage

Liquid fuels including gasoline, diesel, and oil can be stored and transported easily in Flexitanks. They are mainly used for storage. Coupled with a protective liner and berm, to provide additional containment security to the surrounding environment.

Water storage

Flexitanks take up very little space and are easy to transport. In an emergency or during disaster relief, they are also used to store and transport portable water.

Food grade liquid storage

Flexitanks provide safe storage of food-grade liquid ingredients, such as milk, juices, wines, fructose syrup, and more.

Storage of industrial chemicals

Flexitank containers are ideal for transporting and storing industrial liquid chemicals. Such as liquid detergents, lubricants, fertilizers, liquid latex and paints, among others.

Single-use and primary storage

Flexitanks can reduce overall storage costs in cases where liquid storage is not long term.

Advantages Of Using A Flexitank

Here’s why shippers prefer Flexitanks:

Economic option

Flexitanks are cheaper than drums, IBCs and ISO tank containers. The cost of using flexitanks is 33% less than what it costs to transport bulk liquid using traditional bulk liquid containers.

More capacity

Flexitank containers can carry 15% more payload than is carried by IBCs. 44% more than drums. And 50% more than bottles. Thus, they offer more capacity while being an economically viable option for shippers.

Maintain product quality

Flexitanks carefully preserve the quality of the liquid. They are made of several layers of polyethylene, each equipped with a pump and a valve. Which makes it airtight, watertight and weatherproof. They are mainly designed for single use, which contributes to considerably reducing the risk of contamination.

Faster loading and unloading

Flexitank storage containers do not require a forklift to load or unload. This makes the whole loading and unloading process faster by up to 90%. This also makes Flexitanks a cheaper option compared to the cost of using drums. As well as IBCs with reduced product loss during the process.

Requires less work

As flexitanks are convenient to handle, load and unload, labor involvement is relatively less. This significantly reduces logistics revenue.

Other main Details about flexitanks

Multilayer flexitanks

Various aspects such as their high cost, flexibility, and durability are important for manufacturers of flexitanks. Careless handling of the flexitanks during loading and unloading may damage them. Furthermore, COVID-19 (the international regulations pertaining to hazardous substances) lock-down impacts the global market for flexitanks. Consequently, the market for these tanks will undergo a considerable change over the forecast period.

The Multilayer flexitank is a durable, flexible tank made from 3 or 4 layers of polyethylene. It is a versatile storage solution for mass fluid vehicles. This type of tank is highly beneficial in the transportation of liquids as it reduces the risk of loss during transit. In addition, it offers temperature-controlled transport. This feature enables bulk wine to maintain its ideal temperature for longer. It is also ideal for shipping bulk wine, which can be subject to temperature fluctuations.

Food-grade liquids are the largest segment of the flexitank market. They are an economical storage solution and can transport 24,000 liters of liquid in a 20-foot container. Their low labor-intensive nature makes them a viable option for transporting bulk fluids to remote locations. These products are expected to continue to witness significant growth in the coming years. If you’re looking for an efficient and cost-effective solution for liquid transport, the Multilayer flexitank market report can be your best choice.

The BSI PAS 1008 specification for single-use flexitanks describes the requirements for labelling the components of the system. This standard applies to single-layer and multilayer flexitanks. A flexitank is defined as a system comprised of a flexitank, a restraining system, a GP freight container, and ancillary equipment. The flexitank’s resistance is measured in g (gravitational units) and can be used to identify its resistance to movement.

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The multilayer flexitanks market has grown substantially over the past few years. They feature several layers of polyethylene with an outer protective layer made of polypropylene. These tanks are designed to transport large volumes of liquid and eliminate the need for cleaning them after every use. In addition to these advantages, multilayer flexitanks also feature oxygen and moisture barrier properties, which are important for the transportation of food-grade liquids.

Auto-release ball valves

The NIBCO(r) Spring Return Handle allows for manual opening of the ball valve. When the handle is released, the valve closes automatically, ensuring a secure seal. It is perfect for draining, refueling, and sampling, and is constructed from stainless steel for corrosion resistance and durability. NIBCO’s patented design also prevents the involuntary discharge of fluids.

The ball valve is more sealed than a butterfly valve and does not block the flow of liquid. It also has a safety protection device attached at the joint position of the internal valve and flexitank. This device prevents an inner film from clogging the valve and reducing the residual liquid during discharging. The valve is also made of a hard PVC/TPU material instead of steel to reduce pressure against the flexitank’s surface. A special design for the air vent automatically releases pressure over 0.0065MPa, ensuring a safe loading and discharging process.

Moreover, a Flexitank is available in top-loading, bottom-loading, and sanitary grades. The tank is manufactured in quality-assured plants to meet ISO 9001, 14000, and 22000 standards. Besides, the flexible PE films are seamless and prevent leakage. It is also easy to install and roll up once discharged. Moreover, if the application requires a custom-made tank, the company also offers Special Design Flexitanks for your specific application.

If the liquid contains sediments at the bottom of the flexitank, then it may be hard to discharge it. To reduce the risks of spillage, the flexitank should be equipped with anti-suction ball valves. These valves prevent leaks during filling and prevent residues from accumulating in the tank. Some flexitanks come with automatic pressure-release ball valves that can release pressure when the level of the liquid exceeds a certain threshold.

In addition, some models include gas barriers and advanced air and water vapor transmission systems. These features make it easier to ship bulk olive oil. Flexitanks are large, cost-efficient, and safe to ship. Flexible and robust, Flexitanks are the ideal solution for bulk olive oil shipping. With a variety of accessories, the Flexitank is the ideal choice for bulk olive oil shipping. If you’re a manufacturer or distributor, you can be confident that Flexitanks are the right choice for your needs.


The market for Flexitanks is primarily driven by the growing agricultural sector in the Asia Pacific, which is home to two of the world’s largest producing and consuming countries. This region has high production and export levels of palm oil, and several key companies have outsourced production to India and China, resulting in lower production costs and growing demand for flexitanks in the region. In addition, the flexitank industry is expanding in emerging economies such as India and China.

A Flexitank’s weight depends on its lateral acceleration. It can carry liquids with a density of 0.8 t/m3. The maximum weight on a weather deck is determined by the parabolic pressure distribution, which increases the center of gravity and exerts a greater moment on the side member of the vessel. This chart shows the maximum Flexitank weight against the lateral acceleration. The curves are almost parallel, assuming a delta of no more than 6%. However, the difference between the curves is one tonne over the entire length of the curve.

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Many Chinese flexitank manufacturers are willing to customize flexitank sizes if necessary. Many importers are attracted to these manufacturers’ willingness to tailor-make flexitanks to suit their unique needs. They offer different types of flexitanks and can even meet the specifications of their customers. However, when it comes to customizing a Flexitank, China is a good place to start. The number of options available is almost endless.

When it comes to flexibility, Flexitanks are perfect for many different industries. Their unique features make them ideal for agricultural storage and transportation. Large-scale, field-sized tanks are also available. And the flexibility of these tank containers allows them to fit into a tight space without compromising stability. Flexitanks are 100% radio frequency welded, which makes them safe to transport and store. The best part is that Flexitanks are portable.

The size of your Flexitank is determined by your application. If you want a specific size, choose one of the four Flexitank sizes. They are FDA-approved and designed for maximum flexibility and strength. The US Food and Drug Administration regulates the materials used to make Flexitanks. They are highly efficient and reliable and can handle 95% of orders. If you are unsure about the correct size for your specific needs, click on the “Sizes” tab on the Flexitanks page.


The cubic capacity of a flexitank is important for many applications, but it’s important to understand that a smaller tank won’t do the job just as well. Many flexitank manufacturers offer different capacities, but they generally fall between 10,000 and 24,000 liters. The volume that a flexitank can hold depends on the specific gravity of the liquid that’s stored inside. This means that the amount of liquid that can be safely stored inside depends on its specific gravity.

Some liquids can be transported by flexitank, including pharmaceuticals, food additives, and mineral water. Food-grade materials are allowed, such as fruit juice concentrates, flat beer, and mineral water. Pharmaceuticals, transformer oils, and synthetic latex are acceptable. In addition to food-grade liquids, the Flexitank is also approved for use in the wine industry. Its capacity is a key factor for cost-effective transportation.

Multilayer flexitanks are made with 4 or more layers of polyethylene. Each layer is relatively thin, and the resulting structure makes the tank easy to roll and remove when empty. This is a major drawback of multilayer flexitanks, because the product may remain in between the layers, causing a rupture that makes it impossible to recover. Monolayer flexitanks are less flexible, but they can still be used for certain products that don’t require the flexibility of a multilayer tank.

Some manufacturers are more expensive than others. Be sure to consider this factor when comparing flexitanks, as some may be limited to rail or sea freight. Many manufacturers offer very cheap prices but may not meet your expectations. Besides, the quality may not be as high as you expected. Buying flexitanks from China is a smart move if you’re in need of a tank in a hurry.

When filling a flexitank, always make sure to read the instructions. Make sure that you understand how much liquid you need to store and ensure that you’re following all manufacturers’ guidelines. If you’re unsure, contact the manufacturer of your flexitank to ask for guidance. They will be happy to help you. Just make sure that you follow the manufacturer’s guidelines for handling, filling, and discharging it.

Flexitank: FAQs

How to apply flexitanks?

A new flexitank is carefully placed inside a well-known dry field. The liquid to be transported is pumped into it using a committed pump and hose. When filling, it’s miles sealed and a solid bulkhead or frame is used to prevent it from shifting around inside the field.

How to unload a flexitank?

The front stop of the flexitank is lifted and rolled slowly closer to the door so that the liquid residue can float effortlessly closer to the product valve. The manner maintains until the liquid inside the flexitank is absolutely pumped out.

How a great deal does a flexitank fee?

Flexitanks are the very least expensive. The fee of the flexitank depends on the type of Flexi bag purchased. The price for a fixed of flexitank containers ranges from 100USD/set to 500USD/set.

How many liters of liquid can a flexitank preserve?

Depending on the density of the liquid, these flexitanks are available with capacities ranging from 10,000 to 24,000 liters. Some companies additionally offer a variety from 1,000L to a hundred,000L.

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