Ullage Opening


Ullage opening refers to the opening on the top of a liquid cargo tank that is used to measure the level of liquid inside the tank. It is also used to take samples of the liquid for testing and analysis. The ullage opening is typically sealed with a cap or cover to prevent any contamination or spillage of the liquid cargo. The size and location of the ullage opening may vary depending on the type and size of the tank, as well as the specific requirements of the cargo being transported.


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