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Reverse Osmosis Pumps Page 1

High pressure desalination pumps

Reverse osmosis, also known as desalination, refers to the process whereby seawater is converted into fresh water for drinking, washing and other uses. The process uses a reverse osmosis pump to pump the seawater at high pressures through a membrane that removes the salt, minerals and other particles such as ions. 

Marine Case Studies

Due to the high pressures required from the desalination pump to force the seawater through the membrane, it is common for a multistage centrifugal, piston or side channel pump to be used. Some people therefore also refer to them as reverse osmosis booster pumps. On board a vessel where access to seawater is much greater than fresh water, desalination is a crucial application and therefore reverse osmosis water pumps need to be of a reliable and heavy duty design.

For more information on pumps for reverse osmosis, read our application focus

View more information about Reverse Osmosis Pumps

Reverse osmosis, also known as desalination, refers to the process whereby seawater is converted into fresh water for drinking, washing and other uses. The process uses a reverse osmosis pump to pump the seawater at high pressures through a membrane that removes the salt, minerals and other particles such as ions. 

Marine Case Studies

Due to the high pressures required from the desalination pump to force the seawater through the membrane, it is common for a multistage centrifugal, piston or side channel pump to be used. Some people therefore also refer to them as reverse osmosis booster pumps. On board a vessel where access to seawater is much greater than fresh water, desalination is a crucial application and therefore reverse osmosis water pumps need to be of a reliable and heavy duty design.

For more information on pumps for reverse osmosis, read our application focus

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CAT 280/281 3 Frame High Pressure Triplex Piston Pump

  • Up to 11.4 L/min
  • Max. Head 69 bar
  • Max. Temp 71°C
  • 3/8” Outlet

CAT 290/291 3 Frame High Pressure Triplex Piston Pump

  • Up to 13.20 L/min
  • Max. Head 83 bar
  • Max. Temp 71°C
  • ½” Outlet

CAT 333/331 4 Frame High Pressure Triplex Piston Pump

  • Up to 15.10 L/min
  • Max. Head 83 bar
  • Max. Temp 71°C
  • 3/8” Outlet

CAT 430/431 4 Frame High Pressure Triplex Piston Pump

  • Up to 18.9 L/min
  • Max. Head 69 bar
  • Max. Temp 71°C
  • 3/8” Outlet

CAT 323 5 Frame High Pressure Triplex Piston Pump

  • Up to 18.9 L/min
  • Max. Head 103 bar
  • Max. Temp 71°C
  • ½” Outlet

CAT 390 5 Frame High Pressure Triplex Piston Pump

  • Up to 45.4 L/min
  • Max. Head 41 bar
  • Max. Temp 60°C
  • ½” Outlet

CAT 623/621 10 Frame High Pressure Triplex Piston Pump

  • Up to 22.7 L/min
  • Max. Head 83 bar
  • Max. Temp 71°C
  • ¾” Outlet

CAT 820/821 10 Frame High Pressure Triplex Piston Pump

  • Up to 37.9 L/min
  • Max. Head 69 bar
  • Max. Temp 71°C
  • ¾” Outlet

CAT 1010/1011 10 Frame High Pressure Triplex Piston Pump

  • Up to 49.2 L/min
  • Max. Head 48 bar
  • Max. Temp 71°C
  • ¾” Outlet

CAT 2520 25 Frame High Pressure Triplex Piston Pump

  • Up to 94.6 L/min
  • Max. Head 55 bar
  • Max. Temp 71°C
  • 1” Outlet

CAT 6040/6041 60 Frame High Pressure Triplex Piston Pump

  • Up to 151.40 L/min
  • Max. Head 103 bar
  • Max. Temp 71°C
  • ¼” Outlet

CAT 6020/6021 60 Frame High Pressure Triplex Piston Pump

  • Up to 227.10 L/min
  • Max. Head 69 bar
  • Max. Temp 71°C
  • 1¼” Outlet

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