What Determines Seal Leakage? | Pumps & Systems
2011-12-17 · An emission rate of 1,000-ppm is equal to a mass leakage rate of 5.6-g/hr. Another rough rule of thumb is that a milliliter of liquid contains about 20 drops; therefore, a volumetric leakage rate of 3-ml/hr would be about 60 drops per hour, a drop per minute.
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