Waterguide - Pressure booster units
What is a pressure booster unit needed for?
If municipal utilities do not deliver a constant volumetric flow/mains pressure to the intake of a unit, then a pressure booster unit can be integrated into the system in order to ensure constant pressure. This is required before or after the softener / reverse osmosis. The unit maintains the selected operating pressure at a constant rate by adjusting the frequency, even when the required flow keeps changing. This means partial load operation is possible in wide flow ranges.
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The image on the right shows a DEFU 2x 5 M pressure booster unit and the image on the left the associated pump characteristic line.