High-efficiency stainless steel impeller with semi-open and double-wing design, it can prevent blockage and the impeller will not be stuck in the volute casing. This product will have a better flow and head because of the special runner design. Cable base and core wire are dealt with Epoxy Resin to avoid the moisture into the motor.
| Type | Frequency | Phase | Power | Discharge | Pole/Rotation | Std.Head | Std.Flow | Max.Head | Max.Flow MA | BF Weight | TOS-BF Weigh | Solid Passage | ||
| HZ | PH | HP | KW | Inch | mm | P/rpm | M | M3/Min | M | M3/Min | KG | KG | mm | |
| BSF-123 | 50 | 1φ | 2 | 1.5 | 3" | 80 | 2P / 2850 | 8 | 0.5 | 20 | 0.65 | 40 | 60 | 20 |
| BSF-323 | 50 | 3φ | 2 | 1.5 | 3" | 80 | 2P / 2850 | 8 | 0.5 | 20 | 0.65 | 38 | 58 | 20 |
| BSF-333 | 50 | 3φ | 3 | 2.2 | 3" | 80 | 2P / 2850 | 14 | 0.5 | 20 | 1.15 | 43 | 63 | 35 |
| BSF-353 | 50 | 3φ | 5 | 3.7 | 3" | 80 | 2P / 2850 | 18 | 0.5 | 24 | 1.35 | 47 | 67 | 35 |
| BSF-3754 | 50 | 3φ | 7½ | 5.5 | 4" | 100 | 2P / 2850 | 15 | 1.0 | 28 | 1.50 | 58 | 78 | 35 |
| BSF-3104 | 50 | 3φ | 10 | 7.5 | 4" | 100 | 2P / 2850 | 21 | 1.0 | 32 | 1.60 | 63 | 83 | 35 |