The biggest high-pressure process diaphragm pump of the world
The carbon dioxide, obtained together with the natural gas in the northernmost production location of natural gas in Europe here is not discharged into the atmosphere due to environmental reasons but liquefied and pumped back into the sub-sea field located at a depth of 350 meters via a pipeline using the two heavy pumps with a weight of 63 tons each.
The non-lubricating, liquefied carbon dioxide can be conveyed economically only by using hermetically tight diaphragm process pumps with a high rate of efficiency. The pumps operate at a suction pressure of 70 bar and have a drive power of 850 kW each. The speed range is 40 - 160 strokes/min and can be controlled via a frequency inverter.
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