Planning to buy a dirty-water pump? Here are a few tips.

Dirty-water pumps are often used on building sites where puddles caused by heavy rainfall may obstruct the construction operations. However, private consumers can also be confronted with, for example, cellars that are flooded with dirty water. In such situations, it may be necessary to buy a dirty-water pump to drain the area/site as quickly as possible.

  • Passage of solid particles
  • Pump capacity
  • Delivery head

Dirty-water pumps come in different types and sizes, and each one has its own advantages. currently supplies six different models, suitable for any situation. If you are looking for a dirty-water pump, we will be happy to help you find the appropriate model. Please refer to the pump configurator on our homepage. If you specify your wishes and requirements, the configurator will work out which pump best fits your situation, and you will be assured that you are choosing the right one.

Go to pump configurator


Passage of solid particles

The most important aspect of a dirty-water pump is the size of the solid particles it allows to pass through. Solid particles come in different sizes, and not every pump is able to handle each size. If they are too large, they may damage your pump. For example, if the pump inlet becomes blocked, the pump may start running dry and eventually become overheated, with all the potential problems this entails. When choosing a dirty-water pump, always check whether it is capable of processing the largest solid particle in the dirty water you intend to drain. The models that supplies are capable of processing solid particles with a maximum diameter of 10 mm to 50 mm, and this is stated clearly with each pump. For processing faecal matter, for example from a manure pit or toilet, we advise using the DAB FEKA 600 M-A Submersible Pump, which has been developed specifically for this purpose.

Pump capacity

Pump capacity refers to the amount of water it is able to process per hour, which is affected by differences in height. The higher the water needs to be transported, the lower the amount of water per hour that will exit the hose. Every dirty-water pump includes a chart that indicates how many litres per hour can be pumped in accordance with the height required. If you need to pump a large amount of water within a short period of time, you can opt for a dirty-water pump with a high pump capacity: for example, the Maxima 24000, a submersible pump capable of processing 24,000 litres per hour.

Delivery head

Delivery head refers to the height at which a pump is able to raise water,  which equals the pressure at which the water is processed: for example, 40 metres is the equivalent of 4 bar. Every dirty-water pump has a maximum pressure it can provide, which determines the height to which the water can be raised. It is easy to calculate (10 metres = 1 bar) this pressure. The delivery heads of the pumps supplied by range from 6 to 14 metres. When selecting a pump, always check whether it is able to provide sufficient pressure to handle the difference in height.