Mono BP90M Borehole Pump Element / 25mm Shaft, 100mm Outlet
2039
The Mono BP90M is a Mono BP90M progressive cavity (helical rotor) borehole pump element for a 25mm line shaft and 100 x 25mm column.
At a glance
Power: 4 kW at 0 m to 47 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 | 87084 |
| Model | Mono BP90M |
| 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), 37 kW (25 mm shaft) |
| Maximum head | 150 m |
| Speed range | 250–1000 rpm (electric motor, engine or windmill drive through the discharge head) |
| Flow at top speed | 92 m³/h at 0 m to 84 m³/h at 150 m (1000 rpm) |
| Flow at lowest speed | 21 m³/h at 0 m to 12 m³/h at 150 m (250 rpm) |
| Power at top speed | 4 kW at 0 m to 47 kW at 150 m |
| Minimum motor size | 11 kW |
| Minimum starting torque | 42 Nm |
| Rotor / stator | Hard-chrome rotor, moulded nitrile stator, tested on water at 20 °C |
| Equivalent | Orbit GW9002 |
Performance Table
| Head (m) | 0 | 38 | 75 | 112 | 150 |
|---|---|---|---|---|---|
| Flow at 1000 rpm (m³/h) | 92 | 90 | 88 | 86 | 84 |
| Flow at 250 rpm (m³/h) | 21 | 18.7 | 16.5 | 14.3 | 12 |
| Power at 1000 rpm (kW) | 4 | 14.9 | 25.5 | 36.1 | 47 |
Read off the Mono BP90M typical average performance curve BP90M (tested on water at 20 °C). Flow at speeds between 250 and 1000 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 BP90M Borehole Pump Element:
Mono BP90M Performance Curve
74 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 BP90M Borehole Pump Element?
The Mono BP90M Borehole Pump Element has a maximum head of 150 m.
What is the motor power of the Mono BP90M Borehole Pump Element?
The motor power is 4 kW at 0 m to 47 kW at 150 m.
What are the pipe connections of the Mono BP90M Borehole Pump Element?
100 mm.
