DFAY-M1 (multi-stage two-end support flow oil pump)
| NO. | model | Flow rate (m³/h) | Head(m) | Rotational speed(r/min) | η (%) | supplier |
| 1 | 40DFAY-M1-35×3 | 6.25 | 105 | 2930 | 30 | Check → |
| 2 | 40DFAY-M1-35×4 | 6.25 | 140 | 2930 | 30 | Check → |
| 3 | 40DFAY-M1-35×5 | 6.25 | 175 | 2930 | 30 | Check → |
| 4 | 40DFAY-M1-35×6 | 6.25 | 210 | 2930 | 30 | Check → |
| 5 | 40DFAY-M1-35×7 | 6.25 | 245 | 2940 | 30 | Check → |