Danfoss A/S RO Solutions is part of Danfoss A/S one of the largest industrial companies in Denmark. The global group is a leader within research, development and production, sales and service of mechanical and electronic components for several industries. Danfoss’ activities are divided into three main business areas: Refrigeration & Air Conditioning, Heating & Water and Motion Controls, each leading within its industry. Danfoss seeks to obtain its goals with a minimal consumption of raw materials and energy, the least possible impact on its surroundings and the most efficient use of resources. Danfoss has a long tradition for a social responsibility towards both employees and the surrounding environment.
Danfoss A/S RO Solutions has a new product line based on well proven technology introduced in 2002 with a range of high pressure pumps in duplex and super duplex materials designed for pumping low viscosity and corrosive media like high-saline seawater. Danfoss A/S RO solutions can provide pumps and pump systems in the range of 0.2 to 40 m3/h running at efficiencies up to 95% with extremely long service lives. Since the introduction of the pumps, several records have been made reducing the energy consumption of water makers.
Thousands of Danfoss Pumps are in operation worldwide proving the pumps to be among the most cost-effective and reliable pumps for membrane applications. The APP Pumps are used as main high-pressure pumps for reverse osmosis plants but also for recovering energy as reversing pumps (motors) in the reject line.
Pumps are available with ATEX approval mounted with EX-proof Zone II motors via stainless steel housing for offshore applications.
Wherever people need to purify water for drinking, seawater reverse osmosis (RO) plays an increasingly important role.
Danfoss RO Solutions has a clear mission: develop and market the best possible high-pressure pumps and accessories to enable our customers to make clean water.
Fresh, clean water is vital to people everywhere. But access to drinkable water from municipal sources is often prohibitively expensive or simply not an option. The solution? It is all around us. Brackish water and seawater are abundant, cheap and renewable. But they need to be purified to make drinkable water.
Danfoss Axial Piston Principle (APP) high-pressure pumps are at the heart of more and more small and medium-sized seawater RO applications – because they provide high-pressure reliably and inexpensively.
Clean Water via Reverse Osmosis
Reverse osmosis (RO) has emerged as a preferred method for purifying brackish water and seawater. The process is simple and compact – and requires less energy than other desalination techniques. While RO is used in massive plants capable of supplying major cities with fresh water, it is also the ideal water purification technique for a host of smaller applications in hotels and resorts, aboard ships and on offshore installations.
The Heart of Seawater RO Systems: Rugged APP High-Pressure Pumps
Danfoss high-pressure pumps set new standards for small and medium-sized seawater RO applications ranging from 0.6 to 30 m3/h (2.6 to 135 gpm).
Our dedicated high-pressure pumps build on decades of experience in developing pumps for other critical applications. Small in size and unsurpassed in engineering quality, the Danfoss range of highpressure pumps are at the heart of more than 15,000 seawater RO systems throughout the world. Cost-efficient Danfoss APP high-pressure pumps function both as main pumps and as reversing pumps (motors) for energy recovery in seawater RO applications.
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