Tank container C75L20

Tank container for cryogenic cargoes, size code 45, type K7.

About the product

TypeT75
Volume20,000 l
Dimensions to ISO 668:2020, 1CC (20 ft)6058x2438x2591 mm
Tank container tare weight6500 kg
Maximum gross weight36000 kg
Operating pressure, MPa1
Test pressure, MPa1.43
Operating temperature range-40℃ ... +50℃
Inner vessel wall temperature-196℃ ... +20℃
ApplicationUN1977, UN1073, UN1951, UN1972
ManufacturerSespel

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Tank container C75L20

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Description

The tank assembly consists of an aluminium inner vessel and a stainless steel outer jacket. Multilayer vacuum insulation surrounds the inner vessel. An adsorbent and hydrogen getter maintain the vacuum over time. The insulation comprises highly reflective shields separated by low-conductivity spacers on the outer surface of the inner vessel.

The tank includes pre-installed interfaces and a mounting platform for quick connection of an external pump unit. Ambient vaporisers maintain stable gas generation during normal liquefied-gas handling.

Advantages of multilayer vacuum insulation

Multilayer vacuum insulation is central to the cryogenic tank's performance. It minimises heat ingress for efficient, safe transport. Reflective layers separated by ultra-low-conductivity spacers under high vacuum provide exceptionally low cargo evaporation rates. This allows flexible logistics, long storage periods and multimodal transport without critical pressure increases or loss of valuable cargo.

Approved cargoes are refrigerated liquefied gases of hazard class 2

Nitrogen UN1977
Oxygen UN1073
Argon UN1951
Methane UN1972

Gas transported	At temperature	Filling ratio / maximum cargo weight	Reference holding time
Nitrogen UN1977	-196℃	70%, 24400kg	46 days
Oxygen UN1073	-183℃	50%, 24400kg	47 days
Argon UN1951	-186℃	40%, 24400kg	34 days
Methane UN1972	-161℃	82%, 14965kg	80 days
Methane UN1972	-161℃	90%, 16425kg	59 days
Methane UN1972	-161℃	95%, 17338kg	28 days