High-negative-pressure tank drainage scheme
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How can water be removed from the tank at a high vacuum level in a continuous manner? Do anyone have any good solutions? The common approaches involve either using a water receiver or a buffer tank, opening the valve to drain the water periodically after a certain period of time, or using a centrifugal pump with double mechanical seals that can handle high suction heights. However, the mechanical seals tend to get damaged and cause leaks. Are there any other methods?
The simplest and easiest solution is a jumbo leg, an 11-meter-high jumbo leg!