Wellpoint dewatering
The standard prime mover on a wellpoint header main, where the pump must hold vacuum and restart cleanly after any interruption.
Self Priming Dewatering Pump in UAE
A self-priming dewatering pump clears air from its own suction line and starts pumping without being manually primed — which is what makes it practical for site use where the pump sits above the water it is lifting.
Self Priming Dewatering Pump in UAE quick facts
Self Priming Dewatering Pump in UAE — quick facts
| Type | Self-priming centrifugal, trailer mounted |
|---|---|
| Maximum head | 50 m |
| Maximum flow | 400 m³/hour |
| Maximum solids | 50 mm |
| Suction head | 9 m |
| Suction / discharge flange | 150 mm PN16, quick-acting coupling optional |
| Chassis | Four-wheel site trailer |
| Weight | 1072 kg |
Overview
Why self-priming matters on a construction site
A self-priming dewatering pump in the UAE evacuates air from its suction line automatically, so it can be positioned above the water level and started without anyone priming it by hand. On a live excavation where the pump has to be moved as the dig advances, that is the difference between a two-minute restart and a job.
The Apex unit is a centrifugal pump on a four-wheel site trailer, rated to 50 m head and 400 m³/hour, passing solids up to 50 mm with a 9 m suction lift.
Wetted parts are chosen for abrasive groundwater: an SG, cast iron or 316 stainless steel volute, a bronze impeller and a 316 stainless steel shaft. Suction and discharge are 150 mm PN16 flanges, with quick-acting couplings available for fast hose changes.
Specifications
Technical data
Self-priming centrifugal dewatering pump
| Property | Specification |
|---|---|
| Maximum head | 50 m |
| Maximum flow | 400 m³/hour |
| Maximum solids | 50 mm |
| Suction head | 9 m |
| Suction flange | 150 mm PN16 |
| Discharge flange | 150 mm PN16 |
| Coupling | Quick acting, optional |
| Volute | SG / cast iron / 316 stainless steel |
| Impeller | Bronze |
| Shaft | 316 stainless steel |
| Chassis | Four-wheel site trailer |
| Weight | 1072 kg |
Applications
Where it is used
Excavation and trench dewatering
Moved along as the dig advances, without needing a priming crew each time it is repositioned.
Bypass and overpumping
Temporary transfer of water around works, where the pump has to sit above the source.
Questions
Self Priming Dewatering Pump in UAE — questions answered
What does self-priming actually mean?
A self-priming pump can evacuate air from its suction hose on its own and pull water up to the impeller without being filled manually first. A standard centrifugal pump cannot: it must be primed with water before every start, or be positioned below the water level.
How high can a self-priming pump lift water?
The Apex unit has a 9 m maximum suction head. That is a physical limit set by atmospheric pressure, so no pump lifts much beyond it — deeper drawdown needs submersible pumps installed down the well instead, which is exactly why deepwell systems exist.
Can it be towed between sites?
Yes. The pump is mounted on a four-wheel site trailer, so it can be repositioned around an excavation or towed between projects.
What is the difference between this and a submersible pump?
A self-priming pump sits on the surface and lifts water up to itself, limited to about 9 m. A submersible pump sits in the water at the bottom of a well and pushes it up, so it is not limited by suction lift. Wellpoint systems use self-priming surface pumps; deepwell systems use submersibles.
Enquiry
Request a price
Tell us the size, capacity and quantity you need. We will confirm availability and price.
- Prefer to talk
- +971 4 320 4120
- apex@eim.ae
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Call +971 4 320 4120WhatsApp +971 55 221 9418Email apex@eim.aeSite owner: set NEXT_PUBLIC_FORM_KEY to enable the enquiry form.