B400 FR

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Lewabrane RO B400 FR

8”x40” Fouling Resistant Membrane

10,500 gpd / 99.5% / 400 ft²

Designed for water with a higher organic or biological fouling rate



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Lewabrane RO B400 FR, 8”x40” Fouling Resistant Membrane

The Lewabrane RO B400 FR Fouling resistant (FR-type) elements are designed for water with a higher organic or biological fouling rate.

In addition to the low-charged membrane, which provides a lower fouling rate, the Lewabrane RO B400 FR elements have with a 0.86 mm (34 mil) feed spacer a thicker feed channel, allowing improved movement of sol­utes and particles through the feed channel and enhancing the cleanability of the element. The thicker feed channel also results in a lower pressure drop through the RO membrane element.


Fouling resistant (FR) elements are recommended for surface water and wastewater treatment applications


Salt Rejection: 99.5%.

Permeate Flow: 10,500 gpd (39.9 m³/day).

Membrane Area: 400 ft².

Diameter/Length: 8/40 inch.

Feed Spacer Thickness: 34 mil.

Test conditions: B: 2,000 mg/l NaCl, 15.5 bar (225 psi), 25 °C (77 °F), pH 7, recovery rate 15%.

Technical Data Sheet


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Additional information

Weight 16.9 kg
Dimensions 112 × 28 × 28 cm


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