Karofi SWS Sea Water Purifier (Small Capacity)

  • The unique, innovative design allows for easy installation in many tight spaces.
  • Using high-grade components with anti-corrosion materials, for high performance.
  • Various capacity: 80-160-240 liters/hour
  • Simple operation, full protection function: low pressure, high pressure, finished water salinity
  • Finished water is drinkable directly at the tap, meeting the standard of bottled pure drinking water (QCVN 6-1:2010/MOH)

The machine has a unique, innovative compact design that allows easy installation in many tight spaces. The corrosion-resistant stainless steel cabinet frame has a modular design that divides the system into multiple clusters for easier installation.

The SWS product line is equipped with premium components including:

  • The high-pressure pump head adopts anti-corrosion and high-performance copper material
  • The controller has many built-in features
  • The RO membrane housing is constructed from high-quality 1000psi pressure-resistant fiberglass.
Working principle

The machine works by using specialized RO membrane technology and 60bar high-pressure pumps, resistant to the corrosion of seawater. The pump pushes seawater through RO membranes with micropore sizes to form pure fresh water that can be drunk directly. Part of the seawater that does not penetrate the RO membrane will be carried away with the impurities discharged into the sea.


Filter sea water into fresh water and drink directly at the tap, ensuring that it meets the standards of pure bottled drinking water (QCVN 6-1:2010/MOH.)

Small capacity seawater purifier is used for:

  • Fishing boat.
  • Cargo ship.
  • Beach hotels & resorts.
  • Factory manufacturing bm.
  • Island area.
Various capacity

The capacity is 80-160-240 liters/hour and the maximum water supply TDS is 42,000ppm.

Diagram of RO technology for seawater purification
Notes when using
  • Before starting the machine, it is necessary to fully open the locking valves.
  • Do not operate the machine at pressure > 65bar will damage the RO membrane.
  • Do not operate the machine continuously, run the machine for about 4-5 hours, so let the machine rest for >30 minutes.
  • If the machine is not used for more than 7 days, the system needs to be rinsed with fresh water.
  • The high-pressure pump head oil should be changed once a month.
  • Regularly check the coarse filter (the inner core of 2 filter cups), if it is dirty, it must be cleaned or replaced.
  • Daily record water pressure and flow parameters.
  1. Thông số hoạt động:
  • Maximum temperature of feed water: 38°
  • TDS of feed water: 10,000 - 42,000 ppm
  • Operating pressure: 700 to 1000 psi
  • pH tolerance range: 3-11
  • Feed water pressure: 40 to 80 psi
  • Maximum iron content: 0.05 ppm
  • Filter capacity range (finished water): 80 – 160 – 240 Liters/hour (can be adjusted according to the actual needs of customers).

2. Main machine components:

- Low pressure switch.

- Handheld TDS meter.

- Pipe fittings plastic, stainless steel.

- Stainless steel throttle valve.

- Stainless steel rack.

- 10 inch PP pre-filter 02 cores.

- High pressure reciprocating pump resistant to seawater corrosion.

- High-grade electrical control cabinet.

- Finished water flow meter.

- Specialized RO membrane.

- FRP membrane shell.

- Power supply 220V(1P) 380V(3P)/ 50Hz (60HZ).


Optional List:

-  Electronic pressure gauge:

- High pressure switch.

- Coarse filter column.

- Online TDS meter, displayed on LCD screen.

- Inverter control pump.

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