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DOW Reverse Osmosis Membranes – Low Energy

DOW RO Membrane Elements

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The growing family of ESPA (Energy-Saving Polyamide) RO membranes continue to meet the ever-increasing demands of the water treatment industry. Industrial users worldwide have made ESPA their first choice for high productivity and salt rejection.

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HRLE-440i – 8″ x 40″

Nominal Active Surface Area ft2 (m2)440 (41)
Permeate Flow Rate gpd (m3/d)12,650 (48)
Stabilized Salt Rejection (%)99.5
Minimum Salt Rejection (%)99.3

XLE-440  – 8″ x 40″

Nominal Active Surface Area ft2 (m2)440 (41)
Permeate Flow Rate gpd (m3/d)12,700 (48)
Stabilized Salt Rejection (%)99.0
Minimum Salt Rejection (%)98.0

LE-440i – 8″ x 40″

Nominal Active Surface Area ft2 (m2)440 (41)
Permeate Flow Rate gpd (m3/d)12,650 (48)
Stabilized Salt Rejection (%)99.3
Minimum Salt Rejection (%)99.0

LE-400 – 8″ x 40″

Nominal Active Surface Area ft2 (m2)400 (37)
Permeate Flow Rate gpd (m3/d)11,500 (44)
Stabilized Salt Rejection (%)99.3
Minimum Salt Rejection (%)99.0

XLE-4040 – 4″ x 40″

Part numberXLE-4040
Applied Pressure psig (bar)100 (6.9)
Permeate flow rate gpd (m3/d)2,600 (9.8)
Stabilized salt rejection (%)99.0

LP-4040 – 4″ x 40″

Part numberLP-4040
Feed Spacer Thickness (mm)34
Permeate flow rate gpd (m3/d)2,900 (11.0)
Stabilized salt rejection (%)99.2

LC LE-4040 – 4″ x 40″

Part numberLC LE-4040
Active area ft2 (m2)94 (8.7)
Feed spacer thickness (mil)28
Permeate flow rate gpd (m3/d)2500 (9.5)
Stabilized salt rejection (%)99.1
Minimum salt rejection (%)99.2

LE-4040 – 4″ x 40″

Part numberLE-4040
Feed spacer thickness (mil)34
Permeate flow rate gpd (m3/d)2500 (9.5)
Stabilized salt rejection (%)99.0

XLE-2540 – 2 ½” x 40″

Part numberXLE-2540
Applied Pressure psig (bar)100 (6.9)
Permeate flow rate gpd (m3/d)850 (3.2)
Stabilized salt rejection (%)99.0

LP-2540  – 2 ½” x 40″

Part numberLP-2540
Feed Spacer Thickness28
Permeate flow rate gpd (m3/d)1000 (3.8)
Stabilized salt rejection (%)99.2

 XLE-4021

Part numberXLE-4021
Applied Pressure psig (bar)100 (6.9)
Permeate flow rate gpd (m3/d)1,025 (3.9)
Stabilized salt rejection (%)99.0

XLE-2521

Part numberXLE-2521
Applied Pressure psig (bar)100 (6.9)
Permeate flow rate gpd (m3/d)365 (1.4)
Stabilized salt rejection (%)99.0