Lewabrane RO B400 LE

Lewabrane RO B400 LE, 8”x40” Low Energy (Low Pressure) Brackish Water Membrane

The Lewabrane RO B400 LE Low Energy (LE type) membrane elements are recommended for low salinity applications or in applications where low energy consumption is an important consideration.

The Lewabrane RO B400 LE elements are designed with a highly efficient polyamide membrane barrier layer, providing high flow productivity combined with excellent salt rejection.

Since LE elements in general tend to have a higher fouling tendency from their higher productivity, the Lewabrane RO B400 LE elements are offered with a 0.86 mm (34 mil) feed spacer to reduce the fouling and to improve the cleanability.

The LE membrane products are based on a 150 PSI (10.3 bar) test pressure.

Typical applications for the RO B400 LE-type of membrane are the treatment of surface water, the pretreatment in front of an ion exchange system, or in the second.

Low energy type (LE) for energy savings from low pressure operation

Salt Rejection: 99.5%.*

Permeate Flow: 9,200 gpd (34.8 m³/day).*

Membrane Area: 400 ft².

Diameter/Length: 8/40 inch.

Feed Spacer Thickness: 34 mil.

*Test conditions: 2,000 mg/l NaCl, 10.3 bar (150 psi), 25 °C (77 °F), pH 7, recovery rate 15%.
Pre-treatment must be used to protect the membrane (softener, antiscalant dosing pump, sand filter, carbon filter, 5 mic cartridge fitler …etc).

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