Standard ISO tank containers

A standard ISO tank container features a 316L stainless steel barrel inside a carbon steel frame, making it an ideal choice for transporting various liquid products safely. This strong combination ensures the container provides reliable protection. Compared to carbon steel, 316L stainless steel is lighter, safer, and more flexible. It offers the necessary protection for food, feed, and pharmaceutical products.

The frame’s corrosion-resistant paint also makes it last longer. Furthermore, the ISO-compatible dimensions allow the container to easily fit into standard logistics systems, making it more convenient to use.

Tank container codes and certifications

Most standard ISO tank containers follow the T11 T code. This makes them suitable for food-grade, unclassified, and some classified products. For more demanding products like acids, you can upgrade the T11 container to a T14 model. The T14 is stronger and more durable, making it suitable for more demanding conditions.

In addition, each container meets major international standards like ISO, CSC, TIR, UIC, and UN portable tank codes (including US-DOT, IMDG, and ADR 6.7). Many containers also have dual certification, such as ADR TANK 6.8 (like L4BN), demonstrating they meet various legal and safety requirements.

Benefits standard ISO tank containers

Choosing a standard ISO tank container for transport brings you several key benefits. These containers are designed to be safe, reliable, and flexible, making them perfect for shipping a variety of different types of liquid products.

The durable design of these containers makes them the right choice for handling tough conditions and keeping the product safe during transport. Their compliance with international standards also makes it easy to use them in global supply chains. They work efficiently across different shipping methods, offering a dependable solution for businesses.

Capacity: 15,000 up to 26,000 litres
Tare: up to 4,200 kg
Max. gross weight: up to 39,000 kg
Shell material: Stainless steel 316L/DIN 1.4402
Frame dimensions:  
Length: 20 ft6.058 m
Height: 8’6”2.591 m
Width: 8’ 2.438 m
Design Temperature: 130°C.
Maximum working pressure:4.0 bar 
Test pressure:6.0 bar 
External pressure:0.41 bar 
Steam test pressure:4.0 bar 
Safety relief valve setting:4.4 bar 
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Details of standard (ISO) tank containers

A 20”/DN500 manlid is fitted with 8 swing bolts. The manlid uses a standard braided PTFE gasket, which can be replaced with other gasket materials if needed.
The T11 UN Portable tank features a 3-closure bottom discharge supplied by a leading global manufacturer. The discharge valve includes: a high-lift internal valve that can be closed remotely using a cable on the side of the tank container, a butterfly valve as the second closure, and a 3” BSP spigot as the third closure.

We can modify connections to a cleanflow version or change the BSP connection to a quick-release coupling at your request. Our team is here to help.

Most tank containers are designed for future installation of a bottom cabinet (floor and door) for cleaner operations and easier fitting of TIR seals.

A standard tank features a DN80/3” connection on top. A connection can be added on request for easy filling and/or discharge from the top. A bottom-operated top discharge is one of the options where our team can assist.
A ball valve is fitted on the top to release air during loading and discharge. The standard size is 1.5”/DN40 with BSP connection. This connection can be changed to a flanged version, a 2” valve, or a bottom-operated version on request.
For full bottom operation, manufacturers can extend the airline to the bottom using a ground-operated vapour return (GOVR), including a bottom-operated airline valve and a manometer with a second valve (contact us to discuss dimensions and connections).
A T11 tank container is fitted with a safety valve that opens at 4.4 bar (10% above the test pressure). In addition to the pressure-only version, you can choose an optional pressure + vacuum version. Each tank container is also ready for the future if you want to install a bursting disc (needed for both T12 and T14 specifications).
The frame is made of mild steel and meets the ISO dimensions of a 20 ft box container. The barrel connects to the frame and impart of the integral construction so top rails are not necessarily needed, but can be added on request.
Each tank container is fitted with a stick-on analogue thermometer, with a range from -20°C to 160°C. You can add a digital version or thermometers with a probe on request for more accurate product temperature readings.
Each tank container is fitted with an anti-slip ladder on the rear side for easy access to the top of the container.
Each container is fitted with an aluminium walkway to access the manlid, safety relief valve, and airline. The standard layout has one longitudinal walkway and transverse sections between the spill boxes. You can add additional walkways as well as spill box covers on request for a cleaner operation and easier installation of TIR seals.
One or two collapsible handrails can be fitted, either top or bottom-operated, on request.
Each tank container is fitted with a minimum of 8 steam runs to heat the product with warm water or steam. The area covered is 8 m2. You can upgrade the number of steam runs to 12 on request. A water-glycol heated system can be added as well.
A small part of the fleet is non-insulated, while the majority contains 50 mm insulation and cladding. The insulation material varies and can be made out of polyurethane (PU), rockwool, glass wool, or a combination of these. The cladding material is either aluminium, glass-reinforced plastic (GRP), or stainless steel.

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