Tank containers

[German version]

	Description
	Figures
	Dimensions/weights
	Use

Description


Tank containers must be at least 80% full, to prevent dangerous surging of the liquids in transit. On the other hand, they must not as a rule be over 95% full, or there will not be sufficient ullage space for thermal expansion. The extent of thermal expansion may be calculated for each cargo on the basis of the following formula:

ΔV	:	change in volume
Va	:	volume at initial temperature a
Ve	:	final volume at temperature e
γ	:	coefficient of cubic (thermal) expansion
ΔT	:	temperature difference in degrees kelvin

Tank containers intended for transporting foodstuffs must be labeled „Potable Liquids only“.

Some hazardous materials must be transported in tank containers with no in- or outlet openings below the surface of the liquid.

Tank containers are generally designed for an operating pressure of up to 3 bar (above atmospheric). The test pressure used is 4.5 bar (above atmospheric).

If the cargo requires temperature-controlled transport, tank containers can be equipped with insulation or heating. The temperature of the cargo may be precisely controlled using temperature sensors.


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Figure

Figure 1

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Dimensions/weights


The following are some of the most important details relating to tank containers.

20′ tank container
External dimensions			Weights
Length External dimension to ISO [mm]	Width External dimension to ISO [mm]	Height External dimension to ISO [mm]	Max. gross wt. [kg]	Tare weight [kg]	Max. payload [kg]
6058	2438	2438	30480	4190	26290
6058	2438	2591	30480	4190	26290

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Use


Tank containers are used for liquid cargoes, such as:

	Foodstuffs: fruit juices, spirits, sweet oils
	Chemicals: hazardous materials, such as fuels, toxic substances, corrosion protection agents

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