LG SW 4040 R Seawater 800 PSI 1950 GPD 4 x 40 inch High Rejection LG Chem Water Solutions Membranes
LG SW 4040 R Seawater 800 PSI 1950 GPD 4 x 40 inch High Rejection LG Chem Water Solutions Membranes
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PLEASE REFERENCE DATA SHEET AND TABLE BELOW
LG SW 4040 R (Seawater RO Membrane)
📝 Product Description
The LG SW 4040 R is a robust and high-rejection Seawater Reverse Osmosis (SWRO) element, developed using LG Chem's innovative NanoH2O™ thin-film nanocomposite (TFN) technology. This 4-inch diameter by 40-inch long element provides exceptional performance for converting high-salinity seawater into potable water. The unique TFN structure offers superior salt rejection and consistent flow stability even under challenging feed conditions. The SW 4040 R features a flow rate of 2,100 GPD at the standard test pressure of 800 PSI. This element is a reliable and highly efficient choice for small-to-medium scale SWRO systems, including marine applications and coastal desalination plants, where maximum water quality and operational durability are essential.
📋 Specifications Table
| Characteristic | Specification | Units / Notes |
| Model | SW 4040 R | Seawater RO (SWRO) |
| Membrane Type | Thin-Film Nanocomposite (TFN) | NanoH2O™ Technology |
| Element Dimensions (Nominal) | inches | |
| Active Area | 78 (7.2) | sq ft (sq m) |
| Permeate Flow Rate (Nominal) | 2,100 (7.9) | GPD (m3/day). tolerance |
| Stabilized Salt Rejection | (Minimum ) | |
| Applied Pressure (Test) | 800 (55.2) | PSI (Bar) |
| Max Operating Pressure | 1,000 (69) | PSI (Bar) |
| Max Operating Temperature | 113 (45) | F (C) |
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