Our most efficient, highest-capacity PX for seawater reverse osmosis desalination facilities.
Building upon Energy Recovery’s track record of best-in-class performance, the PX Q400 is the next evolution of our industry leading PX® Pressure Exchanger® technology. Delivering energy and cost savings, the PX Q400 offers the lowest projected life cycle cost of any energy recovery device (ERD) for seawater reverse osmosis (SWRO) desalination, thanks to high performance and lower maintenance. The PX Q400 further innovates and improves upon what came before—enhancing efficiency, capacity, reliability, and value to ensure it remains the most trusted ERD in desalination.