What is a submersible pump?
A submersible pump is one that is designed to be immersed in the substance that the pump itself is designed to be pumping.
A submersible water pump would be fine if immersed in water, a sewage pump in sewage and so on.
This is because all of the vital components that keep the pump working are hermetically sealed away from where they can be damaged by the water itself. The pump can function completely normally, even when its surrounded by liquid.
It pushes the liquid (whatever it may be) through its system by having rotary energy generated by the pumps motor converted into kinetic energy, which in turn forces pressure energy.
The resulting effect is that water is pulled into the pump through the intake, pushed by the rotation of the motor, and then forced through the diffuser and out of the pump .
Here are our reviews of some of the most popular professional submersible pumps on the market. I have integrated all liquid pumps that would be utilised in the restoration industry
The submersible pump comes in various guises, dependent on what type of liquid you are trying to move and dependent on power availability.
Buying a submersible pump: four tips
If you are looking for a submersible pump and want to make sure it is worth the investment, the following four tips may come in handy for determining the best model:
Tip 1: Check pump capacity. One pump may have a capacity of 7,500 litres per hour, while another one is able to process 18,000 litres per hour. Ask yourself what capacity you require, and look for a pump with this capacity.
Tip 2: Check the delivery head. The delivery head refers to the maximum height at which a pump can raise water. Some pumps have a delivery head of eight metres, while others have one of five metres. Check again what you need, and find a pump that meets your requirements.
Tip 3: Consider whether the pump needs to switch on and off automatically. This is done with a float. In automatic mode, pumps are not capable of pumping a surface completely dry. This is only possible in manual mode, and you need to switch it off in time.
Tip 4: Check which accessories are supplied with the pump. Some pumps are more user friendly than others, simply because they come with more accessories. If you consider ease of handling very important, we advise you to check which accessories are standard with the pump.
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Clarke DWP210A 2” Pump with Float (submersible)
- Max flow rate: 600l/m
- Max lift: 10.8m
- Max depth: 5m
- Hose Outlet 2″
- 940W, 110V motor
- Cable length 10m
- Can handle solids in suspension up to 7mm in diameter
- Weight: 23kg
Pro’s
- Corrosion resistant stainless steel casing.
- Cast iron base for long reliable service
Con’s
- No auto switch
- outlet hose is extra
MEDAS 550W 12000 submersible pump
- Max flow rate: 166l/m
- Max lift: 10m
- Max depth: 5m
- Hose Outlet 1″
- 550W, 110V motor.
- Cable length 10m
- Weight: 5kg
Pro’s
- Lightweight
- Stainless steel construction
- Cheap (but get what you pay for)
Con’s
- Not very powerful
- Not built for removing liquid speedily
- No auto switch
- Outlet hose is extra
Einhell GC-DP 1020N (submersible)
- Max flow rate: 300l/m
- Max lift: 9m
- Max depth: 5m
- Hose Outlet 1.5″
- 1000W, 110V motor.
- Cable length 10m
- Can handle solids in suspension up to 20mm in diameter
- Weight: 7.2kg
Pro’s
- Auto switch
- Lightweight
- High-quality stainless steel housing
- 20mm particle allowance
Con’s
- Nothing really – it’s our favourite
- Outlet hose is extra
VonHaus 1100W Submersible Pump with 8m Hose
- Max flow rate: 250l/m
- Max lift: 9m
- Max depth: 5m
- Hose Outlet 1.5″
- 1100W, 240V motor.
- Cable length 10m
- Can handle solids in suspension up to 35mm in diameter
- Weight: 8kg
Pro’s
- 8m outlet hose included
- 35mm particle allowance
Con’s
- No auto switch
- outlet hose is extra
3″ Petrol Water Pump (petrol pump)
- 3″ Inlet / Outlet
- Pump up to 1,100L per minute
- 30M head & 7M lift
- 196cc 6.5HP engine
- Complete with all fittings
- Weight 24.2kg
Pro’s
- includes 20ft 3″ rigid suction pipe
- includes 10m outlet pipe
Con’s
- slight issues with priming
- small engine
- small tank
2″ WASPPER (WP20/H) (petrol pump)
- 2″ Inlet / Outlet
- Pump up to 350L per minute
- 40M head & 7M lift
- 3 engine builds (we chose the Honda for it’s durability)
- Complete with outlet pipe
- Weight 26kg
Pro’s
- 2″ pipe improves liquid removal
- Can handle solids in suspension up to 5mm in diameter
- Choose between Briggs & Stratton , Honda, Peggas Engine
Con’s
- Suction pipe not included