Buying a pump to service a country house will save you a lot of problems. Relatively inexpensive compact equipment will pick up water in irrigation containers, deliver it to the bathhouse, kitchen, pond or pool equipped on the site. Agree, it’s too difficult to handle so many things, and it’s almost impossible.
Pumping equipment can easily do all of the above work for you, if all technical and hydrogeological nuances were taken into account before purchasing it. We are happy to help you sort out this difficult issue. The article presented for familiarization contains all the characteristics and circumstances necessary for a competent choice.
The information offered by us will help to thoroughly understand what should be paid attention to before buying, which pump is best for a well, what needs to be provided for connection. We have listed the leaders in the production of pumping equipment for private purposes. The information is backed up by video and photo examples.
Guidelines for choosing a pump for pumping out of a well
It is necessary to carefully prepare for the purchase of a well pump.
Without information about the source of water supply, even a brilliant seller will not be able to accurately say which device is ideal.
The characteristics of the pump are selected based on the calculated value of the water flow rate and the type of source from which to extract water
For a perfect pump selection, the following information is required:
- The distance from the entry point to the bottom of the well. For country collapsible water pipes, it is counted from the top edge of the head, because the water supply hose usually starts through it. For permanent water supply systems, the indicated distance is laid off from the point of entry through the wall of the well. You can determine the simplest measuring device made of twine and cargo tied to it.
- Static level or otherwise a mirror of water. This is the distance from the land line to the surface of the water in the well. For your own determination, the above described device must be modernized by replacing an arbitrary load with a weighted nut. It must be tied for two opposite walls, so that the nut hole touching the surface of the water produces something similar to cotton.
- Dynamic level. It is determined in the same way, but before it is measured, water is pumped out of the mine. Before determining the static indicator, water cannot be pumped out.
- The full height of the well. This value can be found by adding the heights used in the construction of the rings.
- Plan of the plot with dimensions. It is necessary to determine the distance from the point of water intake to the points of tapping. A hand-drawn diagram with precisely plotted distances is suitable.
- The difference between dynamic and static level characteristic. The value gives the right to determine the flow rate of the well.
- The height of the water column. Equal to the distance between the bottom and the dynamic level.
- The degree of water pollution. It is crystal clear or with a fine suspension, belongs to the technical or drinking category.
Armed with measured and calculated data, you can safely go to the profile store.
For a competent pump selection, information about the source of water supply is required: static and dynamic groundwater level, well depth, degree of water pollution (+)
However, a good host to select a perfect pump in the well received information is not enough. In order not to become a victim of banal deception, it is necessary to expand and increase the body of knowledge.
It is necessary to find out the technical characteristics of the pump: maximum performance, maximum pressure, maximum depth with which the pump can pump water (+)
Which option is needed - superficial or deep?
The design specificity of water pumps is directly related to the depth of the equipped output.
According to the specified parameter, all types of units for water supply are divided into:
- Superficial. Are installed in the house or near a well. The surface type is used to transport water from a depth of not more than 7 - 9 m. They are used mainly in the summer to provide water for temporary residence, can be used to draw water from open sources and small wells.
- Submersible, otherwise deep or borehole. They are lowered directly into the excavation by connecting to the feed hose and to the mounting cable. Submersible pumps supply water from a depth of 9 to 200 m. They are used mainly as the main working body of autonomous aquifer systems operating year-round.
The design and installation of surface pumps is significantly simpler than deep pumps. The suction capacity and efficiency are significantly lower, which leads to a relatively low price.
Submersible pumps are structurally more complex, much more expensive. They are equipped with multi-stage engines, thanks to which the pumps can extract water from a great depth and at the same time create a noticeable pressure.
Surface mounted in the house or near the well, submersible or deep pumps at the end of the hose are lowered into the well or body of water
True, in the family of deep aggregates one can find representatives who work excellently in “shallow” wells of 15-20 m each. We note that there will be no blockage or breakdown of the motor if the water column is at least a meter between the bottom of the well and the submersible pump.
A similar distance should be between the top of the apparatus and the minimum water level in the well.
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Use of submersible pumps in wells
Form and material of the body of deep pumps
Downhole pump fixing
Connecting a water hose
In the lines of submersible units there are well and veritable models. Both options can be used for well equipment, but it is preferable to use a system with the corresponding name as a more adapted type.
Both are designed for pumping water without pollution. For normal operation, they need a clean aquatic environment without grains of sand and clay suspension.
It is undesirable for deep-well equipment to be installed in an old well. In case of emergency, the walls and bottom of the excavation must be strengthened by first pumping water. Cracks and potholes must be repaired with concrete mortar and a new bottom filter should be installed.
Surface pumps are mainly used in summer water pipelines, their weighty advantage lies in the possibility of application for water intake from open sources
Surface systems are less sensitive to contamination. If the upper part is intended for technical purposes, the choice should be stopped at one of the surface pumps.
For workings with an unstable water supply, there are models with a signal float that automatically stops pumping when the level falls below the technical limit.
Surface type pumps can be used to extract water from wells up to 30 m deep, if equipped with an ejector. The device is lowered into the mine by the type of a submersible unit, but water is pumped directly by the surface system.
However, with increasing depth, the performance of such a tandem decreases, and energy consumption increases. The acquisition of the indicated pair for deep production is considered unprofitable. It’s better to buy a pumping station equipped with a storage tank and automation.
From a mine with an unstable flow rate, water is extracted by submersible pumps with float alarms. The model in the photo is suitable for pumping water from a depth of 13 m
Necessary and sufficient characteristics of the unit
The technical passport of the unit will acquaint the future owner with the most useful information necessary in selecting the best model of the pump for the well.
The following characteristics should be considered:
- Maximum performance. Indicates the number of liters delivered per unit per minute. Depends on the power of the machine and the capacity of the pipe transporting the water. It is necessary for comparison with the real need for water.
- Suction depth. Indicated in meters, indicates how deep the pump can pump and transport water. It is necessary for comparison with the dynamic level and the specific depth of the well.
- The maximum pressure.Defines the distance between the water intake point and the highest water sampling point. It is necessary for comparison with the required hydraulic pressure calculated for specific conditions.
The main characteristic of the pump is performance. It should be equal to the flow rate of the points operated at the same time or the amount of water consumed in one hour.
It is unreasonable to buy a pump unit with excess power. If the equipment will constantly switch to "dry run", the service life will be significantly reduced. On the other hand, an illiterate pump selection will result in a lack of pressure and a lack of water.
When designing a water supply system in a country house, the first thing is to determine the required water flow, for this the quantity and location of the points of water intake are calculated
Another very important parameter, the flow rate of a well, affects the choice of a pump model in terms of performance. The amount of water in mine workings buried in a sandy aquifer is most often unstable.
Therefore, the performance of the unit and the frequency of its work are strongly recommended to coordinate with the flow rate of the well, and then focus on water flow.
An example of calculations for the selection of equipment
Suppose we buy a submersible pump for a well with a depth of 25 m. The dynamic level, measured after pumping out, is set at a depth of 15 m. The distance to the house is 30 m.
Water points are located in the first and second floor of the cottage. Conditional consumers will be: shower, kitchen and watering tap. The toilet and wash basin as a means of periodic use are neglected.
Calculate the pressure. To do this, we summarize the value of the dynamic level of 15 m, the horizontal section of the water supply system, 30 m of which is equal to 3 m of vertical supply (30/10 = 3). We add to them a gravitational index of 5 m, consisting of 1 m for delivery to the first floor and 4 m for delivery to the second.
Add the 30 m required for the normal functionality of any pumping system. The following expression turned out: 15 + 3 + 5 + 30 = 53 m or else 5.3 Atm is the necessary minimum for supplying water to the cottage. It is customary to select a performance technique with a small margin, taking into account some loss of power during wear.
To calculate the water flow, the number of residents in the house is predicted, the number and location of the points of water withdrawal are calculated: taps, toilets, bathtubs, washing machine, etc.
Calculate water consumption. We have three permanent water points. The watering tap spends up to 18 l per minute, the mixer in the kitchen 10 l, shower 12 l per minute. It turns out 40 liters, to which we add 5 liters to plumbing, periodically consuming water.
The calculated parameters of water flow for individual plumbing fixtures are shown in the table, if necessary, the given values should be converted to the units indicated in the pump technical data sheet
Consider that the flow rate should be less than the well flow rate by about 15%. If the dynamic level drops as a result of pumping water, the pump will switch to a “dry run”, which ultimately leads to accelerated wear of the equipment.
Choose a pump. Compare the performance data of the selected model with water flow and well flow rate. If it is not intended to include a storage tank in the water supply system, the pump must supply water in the volume of the total second flow rate.
If you have a conventional storage tank or accumulator, you need to focus on the hourly flow of water.
To verify the pressure and water flow values, the manufacturers of pumping equipment have developed tables to select the best option (in the denominator, the flow rate in the numerator)
Differences in pump principle
The work of all types of water pumps is to suck in water, followed by pushing it into the water intake pipe and then through the pipeline. A vacuum is created inside the unit, due to which suction takes place.
The portion of water pumped into the vacuum chamber is displaced by the next portion. This continues until the desired liquid enters the tap designed for its passage.
For the centrifugal pump to work efficiently, the water should not contain a large amount of suspended particles, however a little contamination is acceptable (+)
According to the methods of vacuum formation, household pumping equipment is divided into the following types:
- Centrifugal. They work due to the formation of centrifugal force by centrifugal wheel blades. These include the solid part of surface aggregates. Centrifugal pumps are the least sensitive to the presence of grains of sand in the water, but there are still restrictions on the degree of pollution.
- Whirlwind. Create a vacuum by rotating the vortex wheel. This is a disk with small blades placed around the circumference, forming a vortex cavity inside the device. Particles of water falling into it are given additional acceleration, due to which vortex aggregates give a greater pressure than centrifugal ones. The disadvantage of vortex devices is their vulnerability to dirty water.
- Electromagnetic, otherwise vibrating. They function by drawing in water located inside the diaphragm, which in turn is driven by the reciprocating motion of the electromagnetic field. Relate to submersible pumps, unlike vortex counterparts are more adapted to somewhat contaminated water.
Self-priming pumps were invented to extract and transport water with a significant air content. These are surface systems, in the model range of which you can find options with and without an ejector. Various companies produce self-priming pumping equipment for pumping clean or contaminated water.
Vortex pumps are recommended for pumping clean water without the presence of abrasive particles and chemically non-aggressive liquids to the pump construction materials (+)
All of these types of pumps are used in the construction of autonomous water supply systems, supply water for household needs, drinking purposes and irrigation of the site.
A self-priming pump is recommended for pumping water even in the presence of air mixed with the pumped liquid without abrasive particles and chemically non-aggressive liquids to materials (+)
Overview of pumps from trusted manufacturers
An extensive range of reliable pumping equipment supplied by domestic and foreign manufacturing companies is offered to the buyer who owns the manor with a well.
Decent offers of foreign brands
We list the popular foreign brands of pumps that are in demand among summer residents and lovers of country life:
- ESPA, Spain. The products of the Espa Group manufacturer are characterized by stable operation, endurance, and pleases with maximum adaptability to operation in difficult Russian conditions. The company started with the release of centrifugal pumping systems more than half a century ago.Now for domestic use, the company offers a series of submersible well pumps and surface stations. Price tag from 9 thousand rubles.
- PEDROLLO, Italy. For more than 20 years, it has been supplying well pumps of the deep category and self-priming surface units to the domestic market. The company's products are attracted by its lightness, which successfully combines with the strength of parts and the casing; anti-corrosion materials that meet high environmental requirements are used in the production. Price from 14 thousand rubles.
- KARCHER or abbreviated KG, Germany. It has been producing pumps for more than 80 years, in the line of manufactured pumping equipment for wells there are submersible pumps and water supply stations with automation and a hydraulic tank. KG pump technology is characterized by perfect assembly accuracy and long service life. Price from 9 thousand rubles.
- GARDENA, Germany. The company specializes in the production of garden tools and equipment. It produces garden pumps for water intake from shallow openings and open reservoirs, downhole pumping equipment and automatic pressure stations. The price of units depends on constructive complexity, it starts from 6 thousand rubles, the average price tag of 13 - 23 thousand rubles.
- GRUNDFOS, Denmark. The largest manufacturer of pumping equipment, whose products are respected for their durability and a high degree of corrosion protection. Submersible and surface Danish pumping machines are reasonably popular, the average price of 27 thousand rubles.
- ZDS, Italy. It produces premium pumping equipment, the company is famous for its unique system of protecting engines from overheating, "dry running", and power surges. In the product line for wells, there are positions with high productivity, capable of pumping water with some sand content. The average price tag is from 32 thousand rubles.
A wide foreign choice is somewhat overshadowed by the impressive cost for serious models. Moreover, pumps for the fence of the water can be purchased at a very reasonable price.
We will take the serious disadvantages of the high cost of repair and the difficulty of delivering original spare parts for replacing worn out and not withstanding the hardships of local operation.
Despite the extensive model range, foreign-made pumps have significant drawbacks: complications in the repair and delivery of original spare parts
Details on domestic pumps
Cons of foreign units spontaneously turn into the advantages of domestic products. The buyer of a pump with a Russian brand will not be scared by the price, the difficulties of repair will not be a burden. A convincing one-year warranty, as well as the ability to quickly exchange an acquisition for a more suitable model, will be a nice bonus.
Kid: small but good!
Many generations of summer residents are familiar with the industriousness and unpretentiousness of the domestic pump Kid. The products are manufactured by HMS Livhydromash OJSC located in the Vladimir region. For more than 70 years of development, the only representative has given rise to the appearance of numerous modifications.
In the product line there are models with variations in pressure and intake depth, there are options with a pipe for the suction pipe located below or above.
With the lower nozzle they are acquired if transporting faultlessly clean water is to be transported. With the upper pipe they buy if there is a risk of clogging with silt and other suspended impurities.
The legendary Malysh pump is one of the most inexpensive and unpretentious pumps that provides horizontal water supply over a distance of over 100 meters (+)
The universal unit is suitable for extracting water from wells, open reservoirs, and wells. To equip a constantly functioning water supply, this is not the most suitable type.
However, among equally compact machines, he leads in terms of performance. It is steady against power surges, loyal to shortcomings of work of the power supply network, is protected from "the dry course".
The Kid vibration unit is attractive due to its simple design and attractive price. On average, the cost of miniature equipment ranges from 1.5 to a little more than 2 thousand rubles. An analogue is the Trickle pump, which practically does not differ from the Kid in technical and price aspects.
Pumps Trickle and Kid are equipped with protection against “dry running” and short circuit, automatic restart, voltage stabilization and pressure maintenance (+)
Well pumps from the company Gileks
Jeelex - A pioneer in the manufacture of pumps in the post-Soviet space. The company, based in Klimovsk near Moscow, has been producing domestic and industrial discharge pumps for almost a quarter of a century. The manufacturer’s arsenal includes the latest equipment, innovative technologies and its own engineering developments.
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Pump of a domestic brand Gileks
Quality control in the production cycle
Adapting to local conditions
Self-priming pump unit
Dzhileks offers the owners of suburban areas with a well a wide range of pumping equipment, issues installation and operation instructions. The company publishes recommendations on how to correctly select the optimal pump for a well and other sources of water supply.
Submersible water-jet pumps are not equipped with a built-in non-return valve, so in some cases it is recommended to install a non-return valve on the pump outlet (+)
For the intake of water from shallow wells, surface self-priming installations are made Jumbo and automatic pumps.
The automatically functioning equipment delivers clean water from workings, trunk networks, open reservoirs, switches on / off independently, and maintains a stable pressure in the water supply system.
If the automatic station is equipped with an ejector, the purity requirements for the pumped water can be reduced. The price of the simplest products is from 6.5 thousand rubles.
The Jumbo pump series is available in two versions:
pump and automatic pump, the latter works in automatic mode, maintaining the necessary pressure in the system, turning on and off as necessary (+)
The marking of Jilex submersible pumps indicates the volume of maximum water flow and the pressure in the form of fractions.
Index A denotes automatic pumps, the operation of which is controlled by the level of water taken. The letter H denotes models with a frequency converter, the index DOM indicates automatic machines that maintain constant pressure in the water supply network. Price from 7 to 25 thousand. Depending on the design complexity.
Tips for selecting the best pumping equipment from specialists in the field of sales:
Personal experience of a summer resident who chose a pump for a deep well:
Overview of pumping equipment from the company Gileks to help customers:
The detailed information that we have proposed with the criteria for choosing the optimal well pump will help to acquire the ideal unit with the required technical characteristics.
We introduced the production leaders in the pump production segment, introduced the approximate price tags. Now you can confidently implement the planned purchase of the pump.
Looking for an efficient well pump? Or have experience using such installations? Please leave comments on the article and share your impressions of the use of pumping equipment.