MODEL* |
TANK SIZE |
SERVICE FLOW |
BACKWASH FLOW |
PPM LIMITS** IRON |
PPM LIMITS** MANG. |
|
| SFA-1 | 10 x 40 |
7 GPM |
5 GPM |
0.3-2.0 |
.05-0.2 |
|
| SFA-1.5 | 10 x 54 |
7 GPM |
5 GPM |
2.0-4.0 |
0.2-0.5 |
|
| SFA-2 | 12 x 52 |
7 GPM |
7 GPM |
4.0-7.5 |
0.5-0.8 |
|
| SFA-2.5 | 13 x 54 |
7 GPM |
8 GPM |
7.5-10 |
0.8-1.0 |
|
| SFA-3.5 | 14 x 65 |
20 GPM |
9 GPM |
0.3-3.0 |
0.05-0.3 |
|
| SFA-4.5 | 16 x 65 |
20 GPM |
12 GPM |
3.0-10 |
0.3-1.0 |
|
| * Standard
valve is Autotrol 163 valve. Must specify if preference is Fleck 5000 valve. |
| ** Optimal
results are obtained when using with the "Air Charger"
aeration system. |
| Larger models
available upon request. Commercial SFA filters and Air Charger System can be viewed on the Varina Air Charger System page. |