Nanofiltration Membranes: NF5 Elements |
|
NF Membrane Model No. |
Permeate Flow Rate |
Size
(Dia" × Length") |
Average Salt Rejection
(%) |
Average Hardness
Rejection (%) |
Specification Sheets
 |
|
Gals/Day |
Liters/Day |
| M-N1812A5 |
36 |
136 |
1.8 × 12 |
50 |
97+ |
 |
| M-N2514A5 |
175 |
662 |
2.5 × 14 |
50 |
97+ |
|
| M-N2521A5 |
250 |
668 |
2.5 × 21 |
50 |
97+ |
| M-N2540A5 |
600 |
1602 |
2.5 × 40 |
50 |
97+ |
| M-N4014A5 |
450 |
1203 |
4.0 × 14 |
50 |
97+ |
| M-N4021A5 |
800 |
3028 |
4.0 × 21 |
50 |
97+ |
| M-N4040A5 |
2000 |
7570 |
4.0 × 40 |
50 |
97+ |
| M-N4040A5-D* |
2000 |
7570 |
4.0 × 40 |
50 |
97+ |
*M-N4004A5-D is
Flush Style. Replaces Desal 5.
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
OF NF MEMBRANES
| Model
No. |
|
|
|
|
M-N1812A5 |
11.63 |
29.5 |
10.0 |
25.4 |
1.8 |
4.6 |
| M-N2514A5 |
14 |
35.6 |
12 |
30 |
2.5 |
6.4 |
| M-N2521A5 |
21 |
53.3 |
19 |
48 |
2.5 |
6.4 |
| M-N2540A5 |
40 |
101.6 |
38 |
96 |
2.5 |
6.4 |
| M-N4014A5 |
14 |
35.6 |
12 |
30 |
3.9 |
9.9 |
| M-N4021A5 |
21 |
53.3 |
19 |
48 |
3.9 |
9.9 |
| M-N4040A5 |
40 |
101.6 |
38 |
96 |
3.9 |
9.9 |
| M-N4040A5-D |
40 |
101.6 |
-- |
-- |
3.9 |
9.9 |
RECOMMENDED OPERATION CONDITIONS
FOR NANOFILTRATION MEMBRANES
- 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 |
|
|
Up to 1 ppm |
- Feedwater pH
range, continuous operation
|
4-11 |
This page
was last updated
10/30/06
| 
