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Nanofiltration: NF9 Membrane
Elements |
|
Model No. |
Permeate Flow Rate |
Size
(Dia" × Length") |
Average Salt Rejection
(%) |
Average Hardness
Rejection (%) |
|
Gals/Day |
Liters/Day |
| M-N1812A9 |
36 |
136 |
1.8 × 12 |
90 |
97+ |
| M-N2514A9 |
175 |
662 |
2.5 × 14 |
90 |
97+ |
| M-N2521A9 |
250 |
668 |
2.5 × 21 |
90 |
97+ |
| M-N2540A9 |
600 |
1602 |
2.5 × 40 |
90 |
97+ |
| M-N4014A9 |
450 |
1203 |
4.0 × 14 |
90 |
97+ |
| M-N4021A9 |
800 |
3028 |
4.0 × 21 |
90 |
97+ |
| M-N4040A9 |
2000 |
7570 |
4.0 × 40 |
90 |
97+ |
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 10%
recovery. Element permeate flow may vary ± 15%.

DIMENSIONS
| Model
No. |
|
|
|
|
M-N1812A9 |
11.63 |
29.5 |
10.0 |
25.4 |
1.8 |
4.6 |
| M-N2514A9 |
14 |
35.6 |
12 |
30 |
2.5 |
6.4 |
| M-N2521A9 |
21 |
53.3 |
19 |
48 |
2.5 |
6.4 |
| M-N2540A9 |
40 |
101.6 |
38 |
96 |
2.5 |
6.4 |
| M-N4014A9 |
14 |
35.6 |
12 |
30 |
3.9 |
9.9 |
| M-N4021A9 |
21 |
53.3 |
19 |
48 |
3.9 |
9.9 |
| M-N4040A9 |
40 |
101.6 |
38 |
96 |
3.9 |
9.9 |
RECOMMENDED OPERATION CONDITIONS
- Maximum
operating pressure
|
300 psi |
- Maximum
feed flow rate -
- 2.5"
Elements
- 4"
Elements
|
6 gpm
17 gpm |
- Maximum
operating temperature
|
113° F (45°
C) |
- Maximum
feed water turbidity
|
1 NTU |
- Maximum
feed water SDI (15min)
|
4 |
|
|
<0.1 ppm |
- Feedwater pH
range, continuous operation
|
3-10 |
This page
was last updated
10/30/06
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