Marine Installation Manual 2022-03 4-50
4 Ancillary Systems
4.5 Fuel gas system
X62DF-S2.0
Figure 4-33 An LNG sub-cooler within an integrated tank
The advantages of this approach are that it is a much simpler system setup re-
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