Common brackish Reverse Osmosis membrane cannot bear 32000ppm high-salinity seawater and max 800psi working pressure, which causes separation layer rupture and rapid flux attenuation of Reverse Osmosis membrane element. Our LF-SW marine dedicated Reverse Osmosis membrane filter adopts fully reinforced spiral winding structure, realizing single-stage fresh water production with stable 99.7 salt rejection rate. This high-pressure resistant RO membrane is specially designed for offshore vessels and remote islands. Every RO membrane element of LF-SW series is thickened to resist long-term high-pressure impact. All LF-SW Reverse Osmosis membrane full size data are sorted in our water filter element.

Marine & Coastal Application Scenarios
1. Cargo ship, yacht and fishing boat onboard compact desalination units
2. Remote offshore island resident centralized fresh water supply stations
3. Offshore oil & gas platform domestic water equipment
4. Marine aquaculture factory circulating water purification lines
5. High-salinity underground salt well desalination engineering projects
6. Coastal resort integrated domestic water treatment systems
High Pressure Resistant Core Advantages
1. Reinforced winding body supports continuous 800psi operation for Reverse Osmosis membrane
2. Constant 99.7 salt rejection for all LF-SW Reverse Osmosis membrane element
3. Thick hollow fiber avoids crack under long high pressure of this RO membrane filter
4. Anti-crystallization coating slows salt scale accumulation on RO membrane surface
5. Full size range from mini 2521 to industrial 8040 for different tonnage equipment
6. Long service life under continuous marine harsh water environment
LF-SW Full Reverse Osmosis membrane Model Table
| Model No. | Membrane Dimension | Applicable Scene |
|---|---|---|
| LF-SW1-2521 | 2.5″×21″ Mini | Small fishing boat portable machine |
| LF-SW1-4021 | 4″×21″ | Coastal small villa water unit |
| LF-SW1-4040 | 4″×40″ | Medium yacht, small island station |
| LF-SW2-8040 | 8″×40″ Industrial | Offshore oil platform, large island |
| LF-SW2-8040-PRO | 8″×40″ High Salt Resist | High salinity salt well water project |
| LF-SW3-2540 | 2.5″×40″ Extended | Marine aquaculture circulation system |
If you want to get quotation & full spec sheet of our RO membrane series, please contact us.

