| Type |
Model |
Performance |
Structure Parameter |
| Stabilized Salt Rejection % |
Permeate Flow Rate gpd(m3/d) |
Effective membrane area /ft2 |
Flow pathDia/mil |
Inner pipe Dia/mm |
| Model |
BW-4021 |
99.4 |
800 (3.0) |
33 |
31 |
19.0 |
| BW-4040 |
99.5 |
2400 (9.1) |
78 (7.2) |
34 |
19 |
| BW-8040 |
99.5 |
10500(40.0) |
400(37.0) |
28 |
28.7 |
| Testing conditions |
Testing Pressure |
225psi(1.55MPa) |
| Temperature of testing |
25ºC |
| Testing Concentration (NaCl) |
2000 mg/L |
| pH Value of testing |
7.5 |
| Recovery of single membrane element |
20% |
| Operation limits and conditions |
Max. Working Pressure |
600 psi (4.14 MPa) |
| Max. Feed water Flow |
75 gpm (17 m3/h) (8040) |
| 16 gpm (3.6 m3/h) (4040) |
| Max inflow temperature |
45ºC |
| Max flow SDI15 |
5 |
| Residual Chlorine Concentration of feed water |
<0.1 mg/L |
| pH range of Feed water during Continuous Operation |
2~11 |
| pH range of feed water during chemical cleaning |
1~13 |
| Max, Pressure Drop of Single membrane element |
15 psi(0.1 MPa) |