Semi-refrigerated ships
The concept semi-refrigerated ships covers a variety of ships. They all have a cargo system of pressurised receptacles, which is suitable for cargo the temperature of which is lower than that of ambient air. The temperature range depends on the steel used. The usual or general temperatures are -33 degree C (for ammonia) and -50 degree C (for LPG).
Fully-refrigerated LPG ships
These ships transport LPG in a temperature of -55 degree C to +0,5 degree C. They may be equipped to transport ammonia and they are usually suitable
