Marine Installation Manual
2021-08
4-46
4 Ancillary Systems
4.4 Fuel gas system
X72DF
Figure 4
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27 An LNG sub-cooler within an integrated tank
The advantages of this approach are that it is a much simpler system setup re
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quiring usually a smaller plant size. As a result, it also requires less maintenance,
while being more energy efficient. However, a sub-cooler system is normally not
suitable for Type A and Type B tanks.
SM-0745
Fuel tank
wall
Ship hull
Sub-cooler
Refrigerator
Insulation
Fixtures
Cryogenic
submerged pump