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AMI Membranes
Brackish Water Low Energy Fiberglass-Wrapped RO Membrane Elements


BW RO Membrane Performance Specifications

Reverse Osmosis Brackish Water Membrane

Membrane Model Permeate Flow Rate Size (approx.) Minimum Salt Rejection (%) Stabilized Salt Rejection (%)
Gals/Day Liters/Day
M-B2514ALE 264 999 2.5" × 14"

98

99

M-B2521ALE 450 1703 2.5" × 21"

98

99

M-B2540ALE 850 3217 2.5" × 40"

98

99

M-B4014ALE 610 2309 4.0" × 14"

98

99

M-B4021ALE 1148 4345 4.0" × 21"

98

99

M-B4040ALE

2700

10220

4.0" × 40"

98

99

Note:  Performance specifications based on 2,000 mg/l sodium chloride, 150 psi (1MPa) applied pressure, 77°F (25°C) feed water temperature, pH 8 and 15% recovery.  Element permeate flow may vary ± 20%. A word of Caution:  Do not run these membranes at a pressure that will produce more than their rated product flow rate.  This will lead to premature fouling of the membrane resulting in drop in permeate flow and higher TDS of the permeate.

RO Brackish Water LE Membrane
Actual sizes pictured below

DIMENSIONS

Model No.
L
Inches Cm
I
Inches Cm
D
Inches Cm
M-B2514ALE 14 35.6 12 30 2.5 6.4
M-B2521ALE 21 53.3 19 48 2.5 6.4
M-B2540ALE 40 101.6 38 96 2.5 6.4
M-B4014ALE 14 35.6 12 30 3.9 9.9
M-B4021ALE 21 53.3 19 48 3.9 9.9
M-B4040ALE 40 101.6 38 96 3.9 9.9

RECOMMENDED OPERATION CONDITIONS

  • Maximum Applied Pressure
600 psi (4.1 MPa)
  • Maximum Feed Flow Rate - 
    • 2" elements:
    • 2.5" elements:
    • 4" elements:

3 gpm
6 gpm
17 gpm
  • Maximum Operating Temperature
113° F (45° C)
  • Maximum Feed Water Turbidity
1 NTU
  • Maximum Feed Water SDI (15min)
4
  • Chlorine Tolerance
0
  • Feedwater pH Range, continuous operation
2-11
  • Feedwater pH Range, short-term cleaning (30 min)
1-12
  • Single Element recovery %
15

 

MEMBRANE PHOTOS

M-B2514ALE

M-B2521ALE

M-B2540ALE

M-B4014ALE

M-B4021ALE

M-B4040ALE

 

This page was last updated 08/12/08


 

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