Mono BP4L FE Borehole Pump Element / 16mm Shaft, 50mm Outlet
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The Mono BP4L FE is a Mono BP4L FE progressive cavity (helical rotor) borehole pump element for a 16mm line shaft and 50mm column.
At a glance
Power: 0.6 kW at 0 m to 1.4 kW at 75 mMax. head: 75 mConnections: 50 mmBest for: Deep and low-yield boreholes, Sandy, silty and gassy water, Farm, village and stock-water supplySpecifications
| Brand | Mono |
| Item code | 85067 |
| Model | Mono BP4L FE |
| 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 | 16 mm |
| Column / outlet | 50 mm |
| Column and shaft options | 40 mm column with 13 mm line shaft |
| Discharge head | Monostroom |
| Maximum drive power | 3 kW |
| Maximum head | 75 m |
| Speed range | 700–1500 rpm (electric motor, engine or windmill drive through the discharge head) |
| Flow at top speed | 5 m³/h at 0 m to 4.6 m³/h at 75 m (1500 rpm) |
| Flow at lowest speed | 2.3 m³/h at 0 m to 2 m³/h at 75 m (700 rpm) |
| Power at top speed | 0.6 kW at 0 m to 1.4 kW at 75 m |
| Minimum motor size | 1.1 kW |
| Minimum starting torque | 8.5 Nm |
| Rotor / stator | Hard-chrome rotor, moulded nitrile stator, tested on water at 20 °C |
| Equivalent | Orbit GW0301 FE |
Performance Table
| Head (m) | 0 | 19 | 38 | 56 | 75 |
|---|---|---|---|---|---|
| Flow at 1500 rpm (m³/h) | 5 | 4.9 | 4.8 | 4.7 | 4.6 |
| Flow at 700 rpm (m³/h) | 2.3 | 2.2 | 2.1 | 2.1 | 2 |
| Power at 1500 rpm (kW) | 0.6 | 0.8 | 1 | 1.2 | 1.4 |
Read off the Mono BP4L FE typical average performance curve BP4LFE (tested on water at 20 °C). Flow at speeds between 700 and 1500 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 BP4L FE Borehole Pump Element:
Mono BP4L FE Performance Curve
24 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
- FE design with improved efficiency
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 BP4L FE Borehole Pump Element?
The Mono BP4L FE Borehole Pump Element has a maximum head of 75 m.
What is the motor power of the Mono BP4L FE Borehole Pump Element?
The motor power is 0.6 kW at 0 m to 1.4 kW at 75 m.
What are the pipe connections of the Mono BP4L FE Borehole Pump Element?
50 mm.
