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Model 2SF10ES with motor delivers .5 GPM at 1000 PSI for small reverse osmosis system

Model 152R100 Power Unit delivers 260 GPM at 1000 PSI for sea water desalination system

Desalination-Reverse Osmosis Seawater Pumps and Systems

Cat Pumps® is a major supplier of corrosion-resistant, stainless steel pumps for high pressure, seawater desalination, reverse osmosis systems. Our complete line of 316SS and Duplex SS desalination pumps offer corrosion-resistance, strength and long life in the desalting process of pumping sea water under high pressure. We have many desalination pumps operating in all locations around the world in systems on large ships, offshore platforms, island support and mobile units for remote locations helping to provide affordable fresh water.

Cat Pumps desalination pumps cover flows from .5 to 240 GPM. To meet limited space requirements of some small reverse osmosis desalting systems, we offer our compact, direct-drive motor-pump units that are lightweight and have a small footprint. For larger desalting RO systems, we offer our 150 Frame high volume, positive displacement pumps with a Duplex Stainless Steel liquid-end. Our desalination pumps offer high energy efficiency, a smooth low pulsation flow and exceptionally long service intervals. Each of our sea water desalting pumps is matched with SS safety valves for pressure setting and overpressure protection. Many prefer to buy our custom engineered pumping systems designed to your specifications and available with short lead times to meet your installation deadlines.

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