The flexitank, also called flexibag or flexitanque, is a flexible tank bag made of special polymer materials which is used for transportation of liquid cargoes in containers.
Flexitank allows carrying cargoes between 10,000 and 24,000 liters, although the most common models are 16,000, 18,000, 20,000, 22,000 and 24,000 liters. Depending on the density of your cargo we’ll help you to choose the most appropriate type of flexitank.
Here are the most common sizes of flexitanks:

In the past flexitanks were used multiple times and were cleaned after use, which was inconvenient. However, since the mid 90’s only single-use flexitanks are made. Thus, the exporter can be completely sure that there will be no contamination or a residue from the previous cargo.
Types of flexitanks
Depending on the number of layers it is made of, there are three types of flexitanks:

Loading / unloading of flexitanks:

What liquids can be transported in a flexitank?
In general, any non-dangerous liquids can be transported in such a way. Below there is a non-exhaustive list of the goods that can be transported in a flexitank:

The transportation in the flexitank is very interesting both for cost and for environmental reasons. Its main advantages are:

Flexitank is installed in a shipping container. The process should be performed only by qualified personnel and approved by the manufacturer of Flexitank. The installation process usually takes place in warehouses and container depots, being the most desirable option. In order to install the flexitank one should verify the suitability of the container, level the inside surface of container, top the container with protective material, place the flexitank and the bulkhead and make sure everything is in perfect condition. After that container is delivered to the loading place where it is filled.
Once loaded, the transportation of container is the same as in all other cases. Not all flexitanks manufacturers are certified by all shipping lines and not all of them have passed the stress tests of the COA (Container Owners Association). Therefore it is important to ensure the chosen flexitank is allowed for transportation by sea without problems.
If the container is eventually transported by rail the forwarder should ensure that flexitank manufacturer is approved specifically for the rail system.
Once flexitank reaches the destination, one should simply open the door of the container, connect the hose to the drain pump and valve and wait until flexitank is empty. The process may take between 30 and 60 minutes, depending both on the capacity of the pump and the viscosity of the product. After emptying of flexitank, our stuff can take care of removing flexitank from the container and its further utilization with all respect to the environment.

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