Mono BP50M Borehole Pump Element / 22mm Shaft, 100mm Outlet
7888
The Mono BP50M is a Mono BP50M progressive cavity (helical rotor) borehole pump element for a 22mm line shaft and 100mm column.
At a glance
Power: 2.5 kW at 0 m to 23 kW at 150 mMax. head: 150 mConnections: 100 mmBest for: Deep and low-yield boreholes, Sandy, silty and gassy water, Farm, village and stock-water supplySpecifications
| Brand | Mono |
| Item code | 00933 |
| Model | Mono BP50M |
| Type | Progressive cavity (helical rotor) borehole pump element – line-shaft driven from the surface (discharge head, column pipe, line shaft and drive sold separately) |
| Line shaft | 22 mm |
| Column / outlet | 100 mm |
| Column and shaft options | 100 mm column with 22 mm line shaft |
| Discharge head | Monomeester |
| Maximum drive power | 30 kW |
| Maximum head | 150 m |
| Speed range | 700–1300 rpm (electric motor, engine or windmill drive through the discharge head) |
| Flow at top speed | 42 m³/h at 0 m to 37 m³/h at 150 m (1300 rpm) |
| Flow at lowest speed | 18.5 m³/h at 0 m to 13.5 m³/h at 150 m (700 rpm) |
| Power at top speed | 2.5 kW at 0 m to 23 kW at 150 m |
| Minimum motor size | 7.5 kW |
| Minimum starting torque | 36 Nm |
| Rotor / stator | Hard-chrome rotor, moulded nitrile stator, tested on water at 20 °C |
| Equivalent | Orbit GW3802 |
Performance Table
| Head (m) | 0 | 38 | 75 | 112 | 150 |
|---|---|---|---|---|---|
| Flow at 1300 rpm (m³/h) | 42 | 40.7 | 39.5 | 38.3 | 37 |
| Flow at 700 rpm (m³/h) | 18.5 | 17.2 | 16 | 14.8 | 13.5 |
| Power at 1300 rpm (kW) | 2.5 | 7.7 | 12.8 | 17.8 | 23 |
Read off the Mono BP50M typical average performance curve BP50M (tested on water at 20 °C). Flow at speeds between 700 and 1300 rpm scales with the speed – choose the motor pulleys, gearbox or engine speed that gives your flow. Download the full curve sheet below.
Performance Curves and Technical Data (PDF)
Download the curve sheet with the performance curves, dimensions and technical data for the Mono BP50M Borehole Pump Element:
Mono BP50M Performance Curve
71 kB | Download
Applications
- Deep and low-yield boreholes
- Sandy, silty and gassy water
- Farm, village and stock-water supply
- Windmill, engine or electric-motor driven installations
Features
- Positive displacement helical rotor and stator – steady flow at any depth
- Hard-chrome rotor and moulded nitrile stator
- Handles sand and abrasive water that damages centrifugal pumps
- Driven from surface by a line shaft – no motor in the borehole
- Proven Mono/Orbit design
Need help choosing or want a price?
Our pump team will check the right size for your flow and head and give you a quote.
WhatsApp us: 082 516 2248 Get a Quote / Size my pump info@pumps.co.za
Frequently Asked Questions
What is the maximum head of the Mono BP50M Borehole Pump Element?
The Mono BP50M Borehole Pump Element has a maximum head of 150 m.
What is the motor power of the Mono BP50M Borehole Pump Element?
The motor power is 2.5 kW at 0 m to 23 kW at 150 m.
What are the pipe connections of the Mono BP50M Borehole Pump Element?
100 mm.
