Technical Parameters
|
Model |
Diameter inch |
Membrane Area ft2 (m2) |
Salt Rejection Rate % |
Product Flow Rate gpd (m3/d) |
Feed Spacer Thickness mil |
|---|---|---|---|---|---|
|
PNBW-2521 |
2.5” |
12.8 (1.17) |
99.5 |
350 (1.3) |
28 |
|
PNBW-2540 |
2.5” |
35 (3.2) |
99.5 |
800 (3.0) |
28 |
|
PNBW-4021 |
4” |
38.5 (3.52) |
99.5 |
1050 (3.9) |
28 |
|
PNBW-4040 |
4” |
85 (7.9) |
99.5 |
2400 (9.08) |
28 |
|
PNBW-8040 |
8” |
400 (37) |
99.5 |
11000 (41.6) |
28 |
|
PNBW-8040-440 |
8” |
440 (41) |
99.5 |
12500 (47.3) |
28 |
|
Type |
Configuration |
Spiral wound |
|---|---|---|
|
Membrane material |
Composite Polyamide |
|
|
Test Condition |
Feed water pressure |
225psi (1.55MPa) |
|
Feed water temperature |
77°F (25°C) |
|
|
Feed water concentration |
2,000mg/l NaCl |
|
|
Recovery rate |
15% |
|
|
Feed water pH |
6.5-8.5 |
|
|
Application limits |
Maximum chlorine concentration |
0.1ppm |
|
Maximum operating temperature |
113 °F (45°C) |
|
|
Feed water pH range continuously working |
2.0 – 10.0 |
|
|
Maximum feed water turbidity |
1.0 NTU |
|
|
Maximum feed water SDI (15mins) |
5.0 |
|
|
Maximum pressure drop for each element |
13psi(0.09MPa) |
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