Submersible vs Centrifugal Pump: Differences & Uses
Where the pump sits changes everything — priming, noise, maintenance and cost. Here is how to decide.
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High head pumps
Steel Body Submersible High Head Pumps (RHINO)
RHINO steel body submersible pumps from 1 to 3 hp, built for lifting water to roof tanks, high floors and long distribution lines with a robust, corrosion-resistant body.
A high head submersible pump is a pump built to deliver water against a large vertical lift or long pipe run. Alden’s RHINO series has a steel body and covers 1 to 3 hp.
Head is the height a pump can lift water, measured in metres. When you need to send water to a roof tank, a hill-side tank or a long irrigation line, you need a pump that keeps delivering at high head. The RHINO pump combines a durable steel body with a multi-stage design for that job.
Compared with a surface pump, a submersible high-head pump needs no priming and avoids suction-lift limits because it sits in the water. It is a good fit where tanks are deep, wells are narrow or noise must be minimised.
Models & specifications
| Parameter | Specification |
|---|---|
| Series | RHINO (steel body submersible high head) |
| Power range | 1 hp to 3 hp (≈ 0.75 kW to 2.2 kW) |
| Body | Steel |
| Installation | Submerged in tank, well or sump |
| Typical use | Lifting water to elevated tanks, long pipelines, irrigation |
| Control | Float switch or pressure controller |
Need the datasheet, curve or a price? Request a quote and mention the model.
Applications & use cases
| Application | Typical setting | Why RHINO |
|---|---|---|
| Roof tank filling | Villas, apartments, small buildings | Lifts water to height without priming |
| Hillside & long-line irrigation | Farms, estates | Maintains pressure over long distances |
| Water supply from deep tanks | Underground storage | Submerged intake avoids suction problems |
| Fountains & water features | Taller jets and waterfalls | Higher head for taller displays |
Benefits
- High headDelivers water to roof tanks and long lines.
- Steel bodyRobust and durable in demanding sites.
- No primingSubmerged operation starts reliably.
- QuietLess noise than surface pumps.
- CompactFits tanks, wells and sumps.
How to choose the right pump
- Calculate total head. Vertical lift plus friction losses.
- Define flow. Litres per minute needed.
- Check liquid. Clean to lightly dirty water suits this range.
- Plan the pipe. Larger bore reduces friction.
- Add control. Float switch or pressure controller.
Installation & care tips
- Keep the pump submerged at all times.
- Fit a non-return valve at the pump outlet.
- Check for scale or sediment on the strainer regularly.
- Lift out and inspect annually.
- Use a suitable starter and thermal protection.
Frequently asked questions
What does ‘head’ mean for a pump?
Head is the height, in metres, to which a pump can lift water. Total head includes vertical lift plus friction losses in the pipe.
What hp are RHINO pumps?
Alden’s RHINO steel body submersible high head pump is available from 1 hp to 3 hp.
Can RHINO pumps be used for roof tanks?
Yes — high-head submersible pumps are commonly used to fill roof tanks from underground tanks.
Are submersible pumps better than surface pumps?
Submersibles need no priming and are quiet; surface pumps are easier to access. The best choice depends on the site — see our comparison guide.
Related guides
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Share the application, the flow and head you need (or the pump you are replacing) and our team will come back with a recommendation and price. Prefer to talk? Call or WhatsApp us.
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