- Products
- Mono
- Mono Borehole Pumps & Accessories
- Mono BP Borehole Pump Elements & Spares (40 – 100mm Column)
- Mono BP4 Borehole Pumps – 40 & 50mm Column
- Mono BP4M FE - 50mm
Mono BP4M FE - 50mm

Mono BP4M FE - 50mm
Mono BP4M FE progressive cavity (helical rotor) borehole pump element for a 50 mm column with 16 mm line shaft. Driven from the surface by a discharge head – no motor in the borehole – it gives a steady flow at any depth and handles sandy, silty and gassy water. Heads up to 150 m, absorbed power 0.5 kW at 0 m to 2.1 kW at 150 m, speed 700–1500 rpm.
| Column / outlet | 50 mm |
| Line shaft | 16 mm |
| Max. head | 150 m |
| Power at pump | 0.5 – 2.1 kW (0 – 150 m) |
| Speed | 700–1500 rpm |
| Sold as | pump element only – discharge head, column, line shaft and drive separate |
How to choose: read the flow at your head and speed from the performance curve, then add a discharge head, 50 mm column with 16 mm line shaft, and a drive.
| Complete Specifications, Sizing and Price Guide – Click Here |
| Mono BP4M FE Borehole Pump Performance Curve PDF, 24 kB | Download |

