Filter Press Pump We are a filter press manufacturer. These are used to transfer the sludge under pressure to the filter press to form a filter cake with a low acid content. By using these pumps, customers can save purified water/clean water which cannot be saved with centrifugal pumps due to high pressure (see picture on last page). We will achieve more success using our pump ... https://www.uniquedosingpumps.com/filter-press-pumps-manufacturers.php