Gas-tight drum pump
Bürkle
During transfer with normal pumps, it is impossible to prevent vapours escaping into the atmosphere. The gas-shuttle method avoids this. Any vapours produced are returned from the container which is to be filled to the original container via the gas-shuttle pipe. The gas pipe and the liquid pipe are additionally provided with stopcocks.
Gas-tight pumps are used for substances that have a strong smell such as ammonia.
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