To ensure efficient water supply of private houses and country cottages, the use of self-priming pumps for water is necessary. This equipment is located at a small distance from the water intake, lifting liquid from the very depth, passing through itself. The models on the market have many technical characteristics that should be studied by the consumer in the process of choosing such a device for domestic use. A suction pump for water often comes with a membrane or storage tank in autonomous suburban water supply systems. However, such equipment can be safely called a pumping station.
Varieties of suction pumps
If you decide to choose a suction pump for water, then you can prefer a model that has a remote or built-in injector. In the first case, the initial absorption and subsequent rise of the liquid is carried out due to rarefaction. In the process of functioning, injection plants create a lot of noise, therefore, for their placement on the territory, special rooms should be selected that are located at some distance from the apartment building. The main advantage of suction pumps, which are equipped with injectors, is their ability to lift liquid from a very impressive depth, which averages 10 meters. In this case, the supply pipe will need to be lowered into the water intake, while the equipment itself is installed at a certain distance from it. Such an arrangement makes it easy to control the operation of the equipment, which positively affects the duration of the operation.
Wizard tip
If you decide to choose a suction pump for water of the above construction, you need to provide protection against dry running, which can cause equipment failure, which happens in most cases.
Characteristics of suction pumps without injector
The second type of equipment is pumps that lift water without the use of injectors. These models provide liquid suction using a hydraulic device that has a multi-stage design. Hydraulic devices operate completely silently, especially when compared with injection models. However, they are able to take fluid from a shallower depth.
The principle of operation and device
The suction pump for water can be centrifugal. In this case, the wheel is located in the case, which has a spiral shape. The latter is quite rigidly fixed and consists of two disks that are equipped with blades. They are bent in the opposite direction from the direction of rotation of the wheel. By means of nozzles of a certain diameter, the pump is connected to the suction and pressure pipes. Such water suction pumps operate according to a certain principle, which consists in the rotation of the impeller, which occurs after the suction pipe and the housing are filled with water. The centrifugal force that occurs at the moment of rotation of the wheel displaces the liquid from the central part, throws it to the surface of the peripheral sections. In this case, increased pressure is created, so water is displaced from the periphery and enters the pressure pipe. During this period, in the central part of the impeller, the pressure, on the contrary, decreases, which leads to the fact that the liquid enters the pump casing, crossing the suction pipe. This algorithm is used for continuous water supply by a centrifugal pump.
What else is important to know about a centrifugal suction pump
The suction pumps for water described above can have not one but several impellers in their design. According to their number, one-stage and multi-stage installations can be distinguished. The number of wheels does not affect the principle of operation of this equipment. The fluid moves under the action of centrifugal force, which is formed during the operation of the rotating wheels.
Vortex Suction Pump Characteristics
If you want to choose a suction pump for water, Wilo can be a great solution. Air is sucked into the housing due to the vacuum force that occurs as a result of the rotation of the impeller, the impeller acts as the latter. The next step is the mixing of air masses that fall into the pump. Mixing is carried out with the working fluid, which is contained in the device. After the liquid and air mixture enter the working chamber, these components are separated from each other, this principle is based on the difference in densities. The separated air is discharged through the supply line, while the liquid begins to recycle inside the working chamber. After the air is removed from the suction line, the pump is filled with liquid and begins to work on the principle of a centrifugal installation. On the suction flange there is a check valve designed to exclude the possibility of air entering the pipeline. Among other things, it is necessary to ensure the presence of fluid in the pump chamber. Thanks to a similar principle of operation and the design of a vortex suction pump, water is lifted from a depth with a flooded chamber. In this case, water can be pumped from 8 meters without a bottom valve.
What is important for consumers to know about vortex pumps
The vortex suction pump for water, the characteristics of which were presented above, can be used to pump not only water, but also a mixture of air and liquid.
Customer reviews of centrifugal and vortex pumps
If you decide to install a suction pump for water in the apartment, it is important to initially choose which version of it to prefer. According to customers, the centrifugal unit in size is more massive than a vortex suction pump. The latter is chosen by customers for the reason that it differs in very compact dimensions. However, the owners of country houses and apartments like the fact that centrifugal pumps make little noise, because it is very important when used in everyday life. Having visited the store, you can see that the vortex models have a less impressive cost, which, as consumers emphasize, is sometimes a very important factor. The water pressure that can be created using vortex equipment is almost seven times higher than the similar capabilities of suction centrifugal models. If you decide to choose a suction pump for water, it is recommended to consider a photo of this equipment in advance. Experts advise not to be guided solely by cost, since excessively cheap products are sometimes not able to ensure the normal functioning of water supply systems. It is advisable to proceed from the purpose of the device and technical specifications. If you competently approach the choice of a model, follow the manufacturer's recommendations when operating, you can count on a very long-term functioning of the purchased equipment.
Characteristics of the pump "Agidel-M"
If you decide to choose a suction pump for dirty water, then you can prefer this model, which differs in very small dimensions. Weight reaches six kilograms, and electricity consumption is 370 watts. The temperature of the water pumped through the pump should not exceed 40 degrees, the device can absorb water from a depth of up to seven meters, while the model can function for a very long time without stopping, because the manufacturer provided the device with special protection that eliminates the possibility of overheating. If this model is additionally equipped with an injector, it can be used in wells with a depth of 15 meters. It is possible to pump water using the device not only from wells and wells, but also pools, as well as artificial reservoirs. In the process of taking water from a reservoir or pool, it is necessary to ensure that a distance of 0.35 meters is maintained from the bottom to the intake valve. The maximum pressure that a pump can create is 20 meters of water.
Characteristics of the pump "Agidel-10"
If you decide to purchase a suction pump for dirty water, you can give preference to the aforementioned model, which is more powerful compared to Agidel-M. This unit consumes more than 500 watts during operation. At the same time, the equipment provides a fairly impressive head, which is 30 meters. The model weighs nine kilograms and does not require pouring water at startup. It is recommended to use such a device when conducting water supply to a residential building, since due to the impressive power the equipment delivers water with a fairly good pressure to several points at once, for example, to the kitchen and bathroom.
Conclusion
The suction pump for water (12 volts) must be installed on a flat, solid surface, since the quality of work will depend on this. To provide protection from direct sunlight and precipitation, a special container should be built or equipment should be installed inside the utility room. The first method is more preferable, since due to hoses and long pipes, one may encounter the problem of lowering the pressure of water.