Danfoss is a Danish multinational engineering group, founded 1933, headquartered in Nordborg, Denmark. Its High Pressure Pumps division is a global leader in the development and manufacture of high-pressure pumps and energy recovery devices (ERDs) for seawater reverse osmosis desalination. Core products include APP axial piston high-pressure pumps (up to 92% energy efficiency), iSave isobaric energy recovery devices (3-in-1 design integrating pressure exchanger, booster pump and motor), VLT variable frequency drives, pressure transmitters and valves. Applications span land-based and marine SWRO desalination, water recycling, firefighting, humidification and gas turbines. Over 42,000 employees globally across all Danfoss divisions.