Submersible pumps are modern devices designed to extract clean water from great depths. They are most often used for wells whose depth exceeds 8 meters, as well as for water reservoirs. Their operation is extremely effective provided that they are properly selected to meet individual needs. Find out what 10 mistakes you should avoid when choosing a submersible pump for your home.
The greatest advantages of a submersible pump
Submersible pumps are used in various irrigation systems, and their numerous advantages make them applicable both in single-family houses, industrial plants and farms. They can be successfully used to supply water to hydrophore, irrigation and water supply systems, and even to extract mineral or thermal waters. Their most important feature is possibility of generating high pressure, which makes them perfect for pumping water from great depths. Moreover, they ensure adequate pressure at all water intake points. Most often, they are characterized by a compact structure - they have the form of an elongated cylinder containing the engine and hydraulic system. However, in order for them to perform their functions well, they must be selected individually.
How to choose a submersible pump for individual needs?
A submersible pump is an effective device with high operating efficiency. However, you must be aware that only a well-selected pump will properly fulfill its functions.
10 mistakes to avoid when choosing:
- immeasurable water surface - in practice, this means installing the pump in a well or water reservoir whose depth is less than 8 meters. In such a situation, the pump will certainly not operate effectively and may even fail,
- no analysis of soil and water conditions - for the pump to work properly, it is worth knowing at what depth the aquifer is located, whether there are large fluctuations in the level and, above all, what is the quality of the water. This will be particularly important if it turns out to have a high sand content, as you will need to select a pump with appropriate parameters and a reinforced structure,
- pump not adapted to the dimensions of the well - it is extremely important that the diameter of the pump is smaller than the diameter of the casing pipe, which is part of the deep well. This will not only enable easy installation of the device, but will also force water to flow at the pump and ensure better engine cooling,
- pump not adapted to the well's capacity - a pump that is too powerful in relation to the capacity of the well may result in the pump seizing, while a pump that is too weak will not be able to pump water properly,
- incorrect determination of lifting height - lifting height is the difference between the highest liquid receiver and the water surface. Incorrect determination of this value is one of the most common mistakes when choosing a pump, which means that it does not pump water as expected,
- selection of inappropriate power supply - deep well pumps come in two power supply variants - 230V or 400V. The first ones require single-phase power supply and can therefore be connected to a regular socket. The latter operate on a three-phase power supply, so they require force,
- poor pump performance - pump efficiency means how much water in liters the pump can pump per minute or hour. Before choosing a device, it is worth carefully determining the water demand. For this purpose, the number and type of water intake points as well as the required pressure should be taken into account. Only then will it be possible to select a pump with a specific capacity. Too high efficiency will generate unnecessary costs, while too low efficiency will translate into too low water pressure and, consequently, problems with the installation,
- incorrect selection of pump control - the submersible pump can be controlled using various types of devices, e.g. a hydrophore tank with a pressure switch, a tankless automatic machine, a frequency converter, i.e. the popular "inverter". The choice of controller should be adapted to the type of use,
- guided only by engine power - engine power is not the only criterion determining the pump's efficiency. Its hydraulic design is definitely more important,
- use of an inappropriate pump - sometimes it happens that a hydrophore pump is used instead of a deep well pump, which results from ignorance of the specificity of both devices and treating them interchangeably.
A submersible pump will only work fully effectively if it is selected individually. Before purchasing it, it is worth knowing its technical specifications thoroughly and adapting it to both your needs and the conditions on the plot.
