12V & 24V Submersible Bore Pump – Up to 70m Head
Description
The 12V & 24V Submersible Bore Pump is a compact low-voltage diaphragm pump designed for transferring clean water from bores, wells, tanks and other suitable water sources. With a narrow 100mm diameter body and a maximum stated lift of approximately 70m, it is well suited to remote water-transfer applications where mains power isn't readily available.
Separate 12V and 24V DC models are available, making the pump suitable for battery-powered and appropriately designed solar/battery systems.
12V & 24V Submersible Bore & Well Pump
This low-voltage submersible pump provides a practical solution for moving clean water from deep bores, wells, tanks and pits to storage tanks, troughs and other water-transfer points.
The pump uses a 3-chamber diaphragm pumping mechanism rather than a conventional centrifugal impeller and is designed to produce useful discharge head at relatively modest flow rates.
Submersible Bore Pump Features
- Available in 12V DC and 24V DC models
- Suitable for bores approximately 100mm (4") diameter or larger
- Maximum stated lift of approximately 70m
- Maximum submersion depth of 30m
- 3-chamber diaphragm pump
- Permanent magnet motor
- Motor thermal protection
- Built-in 50 micron inlet screen
- 1/2" hose barb outlet
- Suitable for clean water applications
- Compact approximately 100mm diameter body
- Suspension tabs for supporting the pump in a bore or well
- Supplied with electrical wire tail
- 12 month warranty
Remote Water Transfer
The low-voltage design makes these pumps useful for farms, acreage properties and remote locations where a conventional 240V electrical supply may not be available.
Typical applications include:
- Bore and well water transfer
- Filling stock water troughs
- Slow filling of storage tanks
- Remote property water systems
- Water transfer from suitable tanks and pits
- Battery-powered water systems
- Solar and battery water-transfer systems
High Head, Moderate Flow Design
These pumps are intended for applications where the ability to move water against a relatively high discharge head is more important than achieving very high flow rates.
Maximum flow and maximum lift do not occur at the same operating point. As the vertical lift and system resistance increase, available flow decreases.
The supplied performance data also shows that the 24V model provides substantially greater flow than the 12V model, so pump selection should be based on the performance table rather than a single nominal flow figure.
Diaphragm Pump Design
The pump uses a positive-displacement 3-chamber diaphragm mechanism.
Because this is a positive-displacement pump, avoid unnecessarily restricting or closing the discharge while the pump is operating. The outlet plumbing should be sized to provide an unrestricted flow path appropriate to the installation.
Submersible Installation
The pump has a maximum stated submersion depth of 30m and incorporates mounting tabs at the top of the body.
When lowering the pump into a bore or well, support it using an appropriate rope or cable attached to the designated mounting points. Do not suspend or retrieve the pump using its electrical cable.
The electrical lead can be extended where required using appropriately sized cable and a waterproof connection suitable for the installation environment.
50 Micron Inlet Screen
A built-in 50 micron inlet screen helps prevent larger contamination from entering the pump.
The pump should be used with clean water and positioned to minimise the intake of sediment, sand and debris. Where operating in a bore or well, avoid positioning the pump directly in accumulated sediment at the bottom.
12V & 24V Submersible Pump Specifications
| Specification | Details |
|---|---|
| Available Models | 12V DC or 24V DC |
| Pump Type | 3-chamber diaphragm, positive displacement |
| Inlet | 50 micron screened inlet |
| Outlet | 12.7mm (1/2") hose barb |
| Maximum Stated Lift | 70m |
| Maximum Submersion Depth | 30m |
| Maximum Fluid Temperature | 60°C |
| Motor | Permanent magnet, thermally protected |
| Maximum Current – 12V Model | 8A |
| Maximum Current – 24V Model | 4A |
| Stated Brush Life | Approx. 2,800 operating hours before brush replacement |
| Approx. Weight | 2.2kg |
| Dimensions | 240mm long × 100mm diameter |
| Minimum Bore / Well Diameter | Approx. 100mm (4") or larger |
| Warranty | 12 months |
12V Pump Performance
The following performance data shows the approximate relationship between discharge head, flow and electrical consumption for the 12V model.
| Head | Flow | Power | Current |
|---|---|---|---|
| 6.1m | 212 L/hr | 22W | 1.2A |
| 12.2m | 204 L/hr | 28W | 1.5A |
| 18.3m | 197 L/hr | 33W | 1.8A |
| 24.4m | 189 L/hr | 37W | 2.0A |
| 30.5m | 186 L/hr | 40W | 2.1A |
| 36.6m | 178 L/hr | 45W | 2.4A |
| 42.7m | 174 L/hr | 51W | 2.7A |
| 48.8m | 166 L/hr | 56W | 3.0A |
| 54.9m | 163 L/hr | 61W | 3.3A |
| 61.0m | 155 L/hr | 64W | 3.4A |
| 70.1m | 136 L/hr | 72W | 3.9A |
24V Pump Performance
The 24V model provides higher flow across the supplied performance range.
| Head | Flow | Power | Current |
|---|---|---|---|
| 6.1m | 443 L/hr | 58W | 1.5A |
| 12.2m | 432 L/hr | 65W | 1.7A |
| 18.3m | 413 L/hr | 78W | 2.1A |
| 24.4m | 401 L/hr | 89W | 2.4A |
| 30.5m | 390 L/hr | 99W | 2.6A |
| 36.6m | 382 L/hr | 104W | 2.8A |
| 42.7m | 375 L/hr | 115W | 3.1A |
| 48.8m | 371 L/hr | 123W | 3.3A |
| 54.9m | 352 L/hr | 135W | 3.6A |
| 61.0m | 345 L/hr | 141W | 3.8A |
| 70.1m | 310 L/hr | 155W | 4.1A |
12V vs 24V Pump Selection
The performance data shows a significant difference between the two versions. For example, at approximately 30.5m head:
- 12V model: approximately 186 L/hr (3.1 L/min)
- 24V model: approximately 390 L/hr (6.5 L/min)
For installations requiring higher flow, the 24V version therefore provides a significant performance advantage. Select the pump based on the required flow at your expected total system head.
Battery & Solar Operation
These pumps can be incorporated into a suitably designed battery and solar charging system, making them useful for remote properties and off-grid water transfer.
A typical system may include:
- 12V or 24V battery bank matched to the selected pump
- Solar panel or panels
- Suitable solar charge controller
- Appropriately sized wiring
- Electrical circuit protection
- Optional pump control or timer
Solar panel and battery sizing depends on the selected pump, required daily operating time, location, available sunlight, battery capacity and system losses. Size the electrical system for the intended duty rather than relying solely on the pump's maximum current rating.
Important Installation Information
When calculating the required pump performance, consider both the vertical lift and additional system losses created by the discharge hose, fittings and restrictions.
Ensure all electrical connections are appropriately protected against water ingress and use cable sized for the current draw, cable length and acceptable voltage drop.