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Seawater RO Membrane Elements


Model Permeate Flow Rate Size Minimum Salt Rejection (%) Stabilized Salt Rejection (%) Specification Sheets
Gals/Day M³/Day

M-S2514A

150

0.57

2.5" × 14"

99.2

99.4

M-S2521A

300

1.14

2.5" × 21"

99.2

99.4

M-S2540A 700 2.65

2.5" × 40"

99.2

99.4

M-S4021A 800 3.03

4.0" × 21"

99.2

99.4

M-S4040A 1950 7.38

4.0" × 40"

99.2

99.4

Note:  Performance specifications based on 32,000 mg/l sodium chloride, 800 psi (5.5 MPa) applied pressure, 77ºF (25ºC) feed water temperature, pH 8 and  the following recovery rates:   M-S2514A - 2%, M-S2521A, M-S4021A - 4%, M-S2540A, M-S4040A - 8%.  Element permeate flow may vary ± 20%.

DIMENSIONS- Sea water RO Membranes

Model No.
L
Inches Cm
I
Inches Cm
D
Inches Cm

M-S2514A

14 35.6 12 30 2.4 6.1

M-S2521A

21 53.3 19 48 2.4 6.1
M-S2540A 40 101.6 38 96 2.4 6.1
M-S4021A 21 53.3 19 48 3.9 9.9
M-S4040A 40 101.6 38 96 3.9 9.9

 

RECOMMENDED OPERATION CONDITIONS

  • Maximum Applied Pressure
1000 psi (6.9 MPa)
  • Maximum Feed Flow Rate 
18 GPM
  • Maximum Operating Temperature
113° F (45° C)
  • Maximum Feed Water Turbidity
1 NTU
  • Maximum Feed Water SDI (15min)
5
  • Chlorine Tolerance
< 0.1 PPM
  • Feedwater pH Range, Continuous Operation
2-11
  • Feedwater pH Range, Short-Term Cleaning (30 Mins.)
1-12
  • Single Element recovery
    • M-S2514A
    • M-S2521A, M-S4021A
    • M-S2540A, M-S4040A

2 %
4 %
8%

This page was last updated 12/12/06


 

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