LG BW 4021 ES

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LG BW ES membranes offer high permeability at low feed pressure, significantly reducing operating costs: suitable
for low to medium salinity brackish water applications.

Product Specifications      
Active Membrane
Area, ft² (m²)
Permeate Flow
Rate, GPD (m³/d)
Stabilized Salt
Rejection, %
Minimum Salt
Rejection, %
Feed Spacer,
mil
85 (7.9)  2,500 (9.5)  99.5 99.2 28
Test Conditions : 2,000 ppm NaCl at 25°C (77°F), 150 psi (10.3 bar), pH 7, Recovery 8%.
Permeate flows for individual elements may vary +/-20%.

For more details, please see the enclosed datasheet.


  • datasheetlgbw4021eseng