Mono BP50H Borehole Pump Element / 25mm Shaft, 100mm Outlet
17670
The Mono BP50H is a Mono BP50H progressive cavity (helical rotor) borehole pump element for a 25mm line shaft and 100mm column.
At a glance
Power: 4 kW at 0 m to 47 kW at 300 mMax. head: 300 mMax. flow: 50 m³/hConnections: 100 mmBest for: Deep and low-yield boreholes, Sandy, silty and gassy water, Farm, village and stock-water supplySpecifications
| Brand | Mono |
| Item code | 87374 |
| Model | Mono BP50H |
| 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 | 25 mm |
| Column / outlet | 100 mm |
| Column and shaft options | 100 mm column with 22 or 25 mm line shaft |
| Discharge head | Monomeester up to 30 kW or Monomeester HD above 30 kW |
| Maximum drive power | 37 kW (22 mm shaft), 45 kW (25 mm shaft) |
| Maximum head | 300 m |
| Speed range | 500–1300 rpm (electric motor, engine or windmill drive through the discharge head) |
| Flow at top speed | 50 m³/h at 0 m to 44.5 m³/h at 300 m (1300 rpm) |
| Flow at lowest speed | 19.5 m³/h at 0 m to 13.5 m³/h at 300 m (500 rpm) |
| Power at top speed | 4 kW at 0 m to 47 kW at 300 m |
| Minimum motor size | 11 kW |
| Minimum starting torque | 50 Nm |
| Rotor / stator | Hard-chrome rotor, moulded nitrile stator, tested on water at 20 °C |
| Equivalent | Orbit GW3804 |
Performance Table
| Head (m) | 0 | 75 | 150 | 225 | 300 |
|---|---|---|---|---|---|
| Flow at 1300 rpm (m³/h) | 50 | 48.6 | 47.2 | 45.9 | 44.5 |
| Flow at 500 rpm (m³/h) | 19.5 | 18 | 16.5 | 15 | 13.5 |
| Power at 1300 rpm (kW) | 4 | 14.8 | 25.5 | 36.2 | 47 |
Head at each flow rate from the manufacturer's technical data. For a duty-point check use the Get a Quote wizard below.
Performance Curves and Technical Data (PDF)
Download the curve sheet with the performance curves, dimensions and technical data for the Mono BP50H Borehole Pump Element:
Mono BP50H Performance Curve
348 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 BP50H Borehole Pump Element?
The Mono BP50H Borehole Pump Element has a maximum head of 300 m.
How much water can the Mono BP50H Borehole Pump Element pump?
The Mono BP50H Borehole Pump Element pumps up to 50 m³/h.
What is the motor power of the Mono BP50H Borehole Pump Element?
The motor power is 4 kW at 0 m to 47 kW at 300 m.
What are the pipe connections of the Mono BP50H Borehole Pump Element?
100 mm.
