Mortise pump to increase water pressure. How to increase water pressure

Difficult to find residents apartment buildings, especially those living on the upper floors, who have never encountered the problem of poor water supply.

The same problem is often found among owners of private houses supplied with autonomous water supply. The water pressure at which all plumbing fixtures in the house will work normally is usually provided only by artesian wells, and even then not every one of them.

However, most owners autonomous water supply they use sources of low-pressure and non-pressure type, therefore they are forced to use devices in the water supply system that increase its pressure. By installing a pumping station, supplemented by a storage tank, you can even use submersible pump low pressure.

If the main reasons for low water pressure in autonomous water supply systems are understandable, then why are residents of apartment buildings also concerned about such problems. Let's try to figure out why the pressure in the plumbing system, originally designed for high-quality water supply of buildings connected to a water supply source, can decrease.

To determine the reasons for
which the pressure in the system does not correspond to the norm, you should initially find out if your neighbors have complaints about this problem, or if it only affected your apartment. If the water pressure is reduced for all residents of the entrance, then the first action should be to contact the company serving the building.

It is possible that a message about an accident in the system will follow (breakthrough or leakage in the water main). If the employees of the management company claim that there is no emergency, then the next step should be to call a plumber who is able to professionally determine the cause. bad blood pressure water in the house.

Standard pressure parameters for a water supply system

In order to understand why plumbing fixtures and some household appliances may not work at reduced water pressure in the water supply, you should know what is meant by the word “norm”.

Water pressure is measured in units called BAR. Conventionally, 1 BAR is considered equal to 1 atmosphere, and 10 BAR = 1 MPa. This is the weight of a column of water, the height of which is 10 meters.

Ideally Management Company must provide a working water pressure in the water supply system of at least 4 bar.

The presence of such pressure ensures a stable supply of water even to the upper floors of multi-storey buildings and the uninterrupted operation of all household appliances. Unfortunately, typical system water supply rarely provides a constant pressure value. Depending on various factors, pressure gauges installed to control these indicators may show from 2.5 to 7.5 BAR.

Pressure when supplying hot and cold water regulated .

At what values ​​does household appliances work?

1. The operation of the water supply system at a pressure above the norm leads to damage to the locking devices, threaded connections. They fail at a system pressure of 6.5 BAR.
2. Reduced pressure also brings no less trouble. Washing machine will only work if the gauge shows at least 2 BAR.
3. The same indicator should be for the ability to normally take a shower, wash and wash the dishes.
4. If the house has jacuzzi or massage shower, then to use them you need not less than 0.4 MPa.
5. If in country house there is a plot that requires watering, then in order to be able to simultaneously wash dishes, take a shower and water the beds and flower beds, it is necessary to provide at least 4 BAR.

The main reasons for the decrease in water pressure in the water supply system

First time - features of the first inclusion during installation.

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How to increase the pressure in the water supply system

During the construction of multi-storey buildings, the problem of water supply to the upper floors is usually solved at the design stage. For this purpose, the project of the house provides for the installation of a pump to increase the water pressure in the plumbing system. Therefore, when it drops below the norm throughout the house, it is necessary to contact the management company.

The procedure for contacting the company is as follows:

• If the company does not pay attention to previously submitted applications, then you should start solving the problem with a collective letter signed by the residents. It is drawn up in two copies, one of which must go to the management company, and the second to remain with the tenant of the house. The date of receipt of this application must be marked on the second copy.
• When submitting an application, make sure that it is registered, and on the second copy there is not only the signature of the employee who accepted the application, but also the seal of the organization. According to existing rules, residents must receive a response within a month, which should indicate the time frame for the elimination of the malfunction, or information about the solution to the problem.
• If the management company does not respond to the complaint, then the second copy of the letter should be addressed to the consumer protection committee. Usually, after contacting this organization, the problem is solved quickly.

The most common reason for the lack of normal pressure in the system is a pump malfunction. high pressure for water, but sometimes it may be necessary to replace the pipes through which water enters the apartments. More difficult problem there is a need to repair the underground part of the water supply system, which has served for a long time.

Such a repair can be expected for many years, and the supply of a liquid with normal pressure to household plumbing is necessary today. In this case, you will have to take care of it yourself.

Features of autonomous water supply systems

The stability of autonomous water supply systems depends on the performance of the well or well. If the water flow exceeds their productivity (this situation is more common when using non-pressure wells or wells), then the pressure in the system may become insufficient.

The water pressure at which all plumbing fixtures in the house will work normally is usually provided only by artesian wells, and even then not every one of them. However, most owners of autonomous water supply use sources of low-pressure and non-pressure type, therefore they are forced to use devices in the water supply system that increase its pressure. By installing a pumping station, supplemented by a storage tank, even a low-pressure submersible pump can be used when drawing water from a well.

In the case of using high-capacity wells, the pressure in the system may rise above the permissible limits, which leads to its damage and premature wear of plumbing equipment.

To avoid this situation, you should choose the right pumps for wells. The equipment must correspond to the productivity of the well and the daily consumption of water during the period of its maximum flow.

Ways to increase pressure

Installation of a pumping station and possible malfunctions

Today there is a fairly extensive range of equipment designed specifically for this purpose. One of the ways to ensure the possibility of obtaining the necessary water pressure in the system is the purchase and installation of a pumping station.

Typically, this set of equipment is used in private homes, since when installing it in an apartment, many problems arise:

1. One of them is the need selection for its installation sufficient space , which in most cases is difficult, since the station equipment consists of several elements. Especially a lot of space is occupied by a hydraulic accumulator equipped with an electric motor. In addition, you will need space for filters, sensors, piping and a system control unit.
2. However, obtaining normal pressure in the water supply is so important that homeowners are able to find a place for a pumping station using a minimum of space. But here another problem arises - after the installation of such equipment, water in the apartment will definitely appear, but the neighbors may disappear altogether. For this reason, this type of installation pump for increasing water pressure in the apartment requires agreement with the management company.

The pumping station is not gaining pressure - what to do?

There are situations when pumping station does not gain pressure, but it works and does not turn off. There may be several reasons for such a malfunction:

1. The pressure in the pumping station does not rise due to insufficient voltage in the network. If the voltage does not correspond to the value specified in the characteristics of the pump, then it will not be able to produce the pressure necessary for the operation of the system. In this case, using a good voltage stabilizer or purchasing a more powerful pump can help.
2. The cause of the malfunction may be incorrect pressure adjustment of the pumping station. Pressure switch can be adjusted using the nut found on the smaller spring. Turning it off will decrease the value. top pressure, and the station will turn off in time.
3. It is also possible that the pump may fail due to impurities present in the water. To avoid its breakdown, you should purchase equipment that has a special filter insert in the working chamber. Leak in pipeline or check valve hard to see, but it's also one of the common causes workstation malfunction.

When choosing the equipment necessary to increase the pressure in the water supply system, you should definitely consult a specialist. Only a professional who knows the capabilities of such equipment well will be able to help in choosing a way to increase the pressure in an apartment, or in a private house.

Inclusion in the circuit of an additional centrifugal pump

A more realistic way is to install a centrifugal pump at the inlet of the pipeline to the apartment, designed to increase the water pressure. Its installation is carried out if water enters the apartment, but in an extremely small amount, insufficient for the operation of household appliances.

Centrifugal pumps of this type Available with two modes of operation:

1. It can be controlled manually, turning the unit on and off as needed.
2. When using automatic mode, it starts after opening any tap in the apartment.

The beginning of the operation of the device provides a flow sensor included in its design. When the liquid begins to move through the pipe, a signal is sent from the sensor to turn on the unit. Closing the tap serves as a signal to turn it off. The presence of such a sensor becomes a protection against burnout. For this reason, devices equipped with a flow sensor are the most popular.

Centrifugal pumps for increasing the water pressure in the apartment are divided into two types according to the method of their cooling:

1. dry rotor equipped with an impeller located on the motor rotor. The impeller blades direct the air flow to the motor, thereby cooling it. These pumps operate with low noise and have high efficiency;
2. during pump operation wet rotor The water flowing through the unit is used to cool the engine. The main advantage of using them is their silent operation.

By purchasing centrifugal pump, it should be borne in mind that there are universal pumps, and there are those that can only be used in cold, or only in hot water supply. A pump installed at the inlet of the water supply to the apartment, immediately after the water meter, can increase the pressure by 1-3 BAR.

Partial modification of the system with flexible fittings

There are situations when the pressure is not enough for a particular device. In this case, the pump can only be installed on this device.

It often happens that the water pressure is not enough to operate the boiler. There is cold water in the apartment, but there is practically no hot water. To pass through the heating device, the pressure existing in the water supply is not enough. In this case, you can choose a place for installing a water pressure booster pump directly in front of the household appliance.

If soldering skills are required to install a pump that increases pressure at the inlet to the system, then using a pump for a specific device is much easier. It is attached to the plumbing fixture using flexible fittings. First of all, you need to choose the right centrifugal pump.

When choosing, consider:

1. The maximum pressure of the pump must not exceed the allowable pressure value of the device to which the pump will be connected.
2. At the inlet and outlet, the pump must have a thread for connecting a flexible connection.
3. Together with the pump, a ball valve and a flexible hose are purchased, equipped with a thread corresponding to the thread on the device.
4. If the thread does not match, then the necessary adapter is purchased.
5. Be sure to purchase a fum tape designed to seal threaded connections. To determine the length of the hoses, the installation location of the pump is determined in advance.

Installing an additional booster pump

1. A flow sensor (dry running) is installed at the pump outlet. For the convenience of defining right place sensor, the pump has a designation of the direction of fluid movement. The plug on the sensor is inserted into the connector of the control unit.
2. The pump is installed in the place intended for it and fastened with self-tapping screws as indicated in the instructions in order to avoid failure of the bearing.
3. Mounting is carried out in such a way that there is no vibration during pump operation.
4. Then the hoses are mounted using threaded connections. When installing, use sealing tape and rubber gaskets supplied with the pump.
5. The entrance to the pump from the water supply is carried out through a pre-installed shut-off valve (ball valve), and the pump outlet is connected with a flexible connection to a plumbing fixture that needs to increase pressure. In this case, it is necessary to ensure that the hose does not have sharp kinks.
6. The first start-up of the unit is carried out in manual mode. After the start of its work, all connections are checked.
7. If leaks are detected after the pump is turned off, the leak is eliminated and the operation is checked in automatic mode. To do this, the required mode is set on the control panel and the tap of the plumbing fixture is opened.
8. After filling the pump with water, the pump will start to work, which will be noticeable by the increased jet. It will turn off after the tap is closed.

The sensor may not work if the head is extremely low. In this case, you will have to switch to manual mode.

In case of insufficient amount of water (most often this problem occurs when it is taken from wells and non-pressure wells), experts recommend purchasing storage tank(hydraulic accumulator). Its use will allow you to accumulate water in the tank, using it when necessary.

A hydraulic accumulator installed in a private house is best placed in a heated room.

Prices for works, equipment and materials

• At pumping stations and pumps that increase pressure, the price is also not too high. Pump cost starts from 4 thousand rubles and reaches 9 thousand rubles.
• For purchase pumping station will have to allocate 6 - 15 thousand rubles.
• Depending on the design hydraulic accumulator and its volume, its purchase will cost within 2 - 12 thousand rubles.
• If the installation of the units will be carried out by specialists, then the total cost of installation work will be approximately 20% of their cost. You can find specialists who work a little cheaper.

Often, in the existing water supply system in the country, the pressure is insufficient. This is a common occurrence if the system is built on the basis of a storage tank and enters the system by gravity. AT best case we have a pressure of 0.8-1 atm. This is not always enough even for a shower, and you can connect a boiler or washing machine only at 2 atm. There are two ways to solve the problem. The first is , which automatically supports the specified parameters. The method is good, but there is not always the required amount of money. The second output is a pump built into the system that increases the pressure in the water supply in the country. This option is much less expensive. Booster pumps and how to use them will be discussed further.

Booster pump for a summer residence: what are

This device small size, which increases the already existing low pressure. That is, they cannot create it from scratch. This device crashes into an existing water supply and pumps up water, raising the pressure by 1-3 atm. There are several types of booster pumps:

How to choose

In order not to be particularly confused, a booster pump for water supply in the country is usually taken in-line (embedded) with a wet rotor. This is the most optimal suburban option A: little noise, easy installation.

Type of installation vertical or horizontal - depends on the place where you will install it. Regarding speeds, of course, multi-stage adjustment is better, but such pumps cost a lot, therefore they are rarely installed in the country water supply.

You can also pay attention to the material of the case. It can be cast iron or stainless steel. Of course, stainless steel is better, but also more expensive. It is necessary to pay attention to the material from which the pump impeller is made. In the cheapest models, it can be made of plastic, in more expensive ones it can be made of bronze or brass.

Specifications and their meaning

First of all, you need to remember that the pump is powered by electricity, and it needs a normal power supply. Basically, they are demanding on voltage. If, suddenly, the selected booster pump does not produce the required pressure, check the voltage. Perhaps it is low and the required work power is simply not achieved.

The main technical characteristics that determine whether the pump that increases the pressure in the water supply system in the country will cope with the task is maximum working pressure. This is the amount that the equipment can output at the output.

The following characteristics are also important:

We draw your attention to the fact that usually the maximum values ​​\u200b\u200bare indicated. To find out the real indicators, divide the declared parameters by 2. Then you definitely won’t be mistaken.

Another important thing is at what flow rate the automatic booster pump for giving is turned on. The values ​​can be different: both 0.12 l/min and 0.3 l/min. This figure determines whether the pump will turn on when, for example, the tank is filled in the toilet, or it will start working only after the faucet in the shower opens.

A few words about what modes the pump should work to increase the pressure in the water supply in the country. It is best to take those models that can work both in manual and automatic mode. Here's why: not all tapping points provide the flow required for automatic switching on. If the device has only automatic mode, you will not help the trouble. But if it can be switched to manual, turn it on before use and enjoy normal pressure. Just remember to turn it off.

The next option is maximum and rated power, measured in watts (W). Shows how efficient the motor drives the impeller. In principle, the more powerful the pump, the more pressure it is able to provide, but much still depends on the design and materials used.

Temperature working environment. Measured in degrees. Here everything is more or less clear. There are pumps to increase the pressure only for cold water, there are for hot. This is what this index represents.

Also important connecting dimensions. The booster pump is installed in a cut - a piece of pipe is cut out, a device is installed in this place with the help of fittings. The size of the connecting nuts should ideally match the diameter of the pipe.

About the device of a country water supply system (in the area) - the choice of pipes, the development of a scheme and connection - read.

Installing a pump that increases water pressure

The installation location of the pumps depends on the specific situation. For normal operation of the faucet and shower, it is enough to put a pump at the outlet of the storage tank, if we are talking about such a system. If you want in the country or a washing machine, other pressure-demanding devices will most likely have to be placed in front of them. With sufficient power (with sufficient flow), one pump can be enough for two devices. Only then it is necessary to think over the scheme accordingly.

In any case, when designing the circuit, consider the possibility of removing or bypassing the pump. This is done using a bypass (there must be a blocking valve in the bypass).

Installing multiple low power boost pumps is not always the best idea. In this case, it may be worth considering more powerful and efficient models that can stabilize the pressure at a significant flow rate. Some of them even provide the rise of water from a well or reservoir, replacing, in a sense, a pumping station.

Pump station for boosting pressure

This outlet is very convenient, but not very cheap, although there are inexpensive models (for example, Gilex Jumbo units cost from $130). These units can lift water from a well or well, but the suction hose can also be lowered into a tank. Then the storage tank can stand anywhere, not necessarily at the top.

Their advantage is that the pressure is maintained constantly, without human intervention (as long as there is electricity). The main thing is to choose the right parameters. They can even be used to increase pressure when connected to a centralized water supply. If you have this option in your country house:

Everything can be fixed by putting a volumetric tank (liters per 1000) and a pumping station. You will have a supply of water and a shower at any time you wish. For irrigation, such a container may not be enough, but no one bothers to put a larger or slightly smaller one. We read about the selection and installation of a pumping station

When you open a tap in your home to simply drink water, and a sluggish trickle flows from it, then the idea immediately comes to your mind to install in the water supply line.

The sufficiency of water pressure in the pipes is the key to the normal life of a person living in a private cottage, in a country house or in a high-rise apartment. This is very important for the trouble-free operation of domestic hydraulic machines and plumbing fixtures. This is one of the very important conditions your comfortable living and the durability of expensive water equipment in your home.

For the normal operation of the main models of household hydraulic machines and plumbing units, the water pressure in pipelines from 2 to 4 bar is sufficient. If at the outlet of the intake taps you periodically or constantly lack these indicators, then you should understand the reasons for this shortage and, if necessary, install booster pumps in your individual or collective use.

Below we will describe the basic requirements for checking the performance of your water supply, the criteria for choosing the appropriate equipment, consider Various types pumps for increasing the pressure of water in the mains from different manufacturers.

Key questions covered in this article

• Comparative scale of technical characteristics of water pressure in pumps of various types.
• Possible reasons for the lack of water pressure in the mains.
• Types of pumps for increasing water pressure in pipelines.
• We read the instructions and install the pump.

Comparative scale of technical characteristics of water pressure in pumps of various types

World pump manufacturers use for pump head characteristics different types the following water pressure units:

For quick approximate household calculations, the approximate ratios of these quantities are suitable:

In practice, for the normal operation of household hydraulic equipment with automation, the use of flow taps and the operation of bathrooms, work geysers and boilers, it is enough to maintain water pressure in pipelines within 2-4 bar for all major models of domestic water devices.

Possible reasons for the lack of water pressure in the mains

The lack of water pressure in your pipelines for high-rise apartments can be due to several reasons:

• Daily fluctuation of water pressure in the water supply due to the frequency of use of the resource by the residents of the house;
• Lack of design capacity of general user pumping equipment from the service organization;
• Temporary deposits of rust and salts inside the pipeline, clogging the body of the water riser:

• Clogged water cleaning filters in the water supply connection system:

In such cases, neighbors on the floor and residents of the upper and lower floors should be interviewed. apartment building to find out what water pressure is usually in their apartments. In this way, you can identify the local cause of low pressure in your particular case. It will already be possible to make the right decision to fix these problems or stop at the option of buying a high pressure water pump individually or common use, having coordinated this issue with other residents of the entrance (riser) of the high-rise building.

In a private house, these causes are of a similar type. But there may be various additional reasons for the low water pressure in your pipeline:

• Long distance from the main water supply pump;
• Excessive elevation of the structure and location of the flow valves above the level of the pump installation;
• Discrepancy between the pressure data of the power plant, with a specific layout of power and consumable units, and so on.

Types of pumps for increasing water pressure in pipelines

In practice, it is possible to increase the pressure in the water artery using 2 well-known types of pumps:

1. Insertion into the water supply line of a circulation pump with a wet or dry rotor;
2. Installation in the line of an additional self-priming power unit or an automatic pumping station based on this type of pump.

Approximate connection diagrams for various types of pressure booster pumps:

Circulating electric pumps help in cases where it is required to increase the water pressure in the pipeline with a stable supply, but a low pressure, reaching no more than 1 - 1.5 bar. In multi-storey buildings, using this type of pump, it is unlikely that it will be possible to create a sufficiently stable pressure for all residents of the riser, even if 2 or more pumps are installed. This option is more suitable for an individual increase in water pressure in a separate apartment. This is, so to speak, a "home" version of pressure stabilization.

For this reason, in high-rise apartment buildings, it is better to use a self-priming pump of greater productivity or a pumping station with appropriate automatic water pressure with its own hydraulic accumulator.

With this option, you will not bother with the problems of turning the pump on and off, automation will do it for you.

When installing any type of pump, it should be borne in mind that if there is temporarily no even the smallest water pressure in the taps of a high-rise building on the upper floors, then installing a booster pump will not correct this situation. The pump needs at least a minimum water pressure that meets the technical limits to raise it to the desired level.

If you installed any booster pump only in your apartment, then keep in mind that it will create a discharge effect in the common pipeline before it. And air will be sucked into this rarefied space. It is good if the pump is automatically protected from dry running and its engine does not burn out, but it will constantly turn off. In doing so, you create an even greater pressure drop in the common water supply pipe. If other residents of your entrance or riser follow your example, then this will lead to even more deplorable results with water and real “sanctions” from the water supply organization.

Self-priming pumps are limited by the amount of water rise along the height of the installation from the water surface to 7-8 meters (maximum 12). A large tank for a circulation pump with a supply of water, you also cannot install in a medium-sized apartment. We will have to negotiate and cooperate with neighbors in order to install such a container in the attic of the house.

The most competent and comprehensive solution to these problems can be the installation of a full-fledged automatic station with a self-priming centrifugal pump. The power device must be of high performance. To contain its own hydraulic accumulator of the maximum possible volume and full automation of the water supply process. You can connect this station to the basement collector of the common riser of the general water supply or to an autonomous source. This is the only way to create the required water pressure at the outlet of all taps and not aggravate the situation for the neighbors.

Choosing a water pressure booster pump

Circular pumps are divided into 2 groups:

We are used to considering circular pumps only as elements of heating systems. But they have a wider application.

• Household pumps wet rotor. They are more compact and silent in operation. They do not require preventive maintenance to lubricate the friction parts, as this is due to the washing of the rotor shaft with water. They are easy and simpler to mount directly into the water supply pipe using a tie-in and do not require additional fasteners. But this group of pumps has low productivity and low head performance. In addition, these units are installed with a horizontal axis of the motor rotor.
• Circular pumps with a dry rotor have an asymmetric housing shape towards the electric motor. They are cooled by a jet of external air from a special impeller. Requires additional wall mounting. They have better technical capabilities in terms of pressure and performance. They require regular lubrication of rubbing parts. They make quite a lot of noise while working.

Both groups are suitable for cold and hot water, but require constant manual control of the on/off mode.

To save yourself from this, you need to pick up a circular pump equipped with a water flow sensor. Then the pump will start only when the flow valve is opened and there is water in the line.

The same effect can be achieved by installing a separate flow sensor on any group of circular pumps. And if the pressure in the system is unstable and there is insufficient water in the water supply, an additional pressure switch will need to be installed.

Some popular models of circular pumps from global manufacturers: Grundfos (Grundfos):

Jemix circular pumps W15GR and WP series:

Brand booster pumps Wilo series RV and PW

• Self-priming centrifugal pumps can operate with increasing water pressure, both independently and as part of automatic pumping stations.

• Specialized stations for increasing the pressure of water from the main water pipelines of the Gileks VODOMET M brand are used to tie into the underwater part of individual sources. They have an additional flow-through filter unit for supplying already purified drinking water:

Grundfos specially designed water pressure booster pumping units: CMBE 3-62, 5-62, 1-44, 1-75, 3-30, 3-93 and others:

Read the instructions and install the pump

To solve the problem with the water supply, you should not chase after some exorbitant indicators in terms of pressure and pump performance. You just need to add some 1.0 - 1.5 atm to the existing pressure (10 - 15 meters above the outlet tap).

So you should not have questions about how to choose a pump, what characteristics it should have. It is enough to look at the instructions for this product or listen to the recommendations of the technical manager of the store where you decided to buy the unit. The descriptions of the pumps contain all the data on their connection to the water system (connection diagram), there are rules for installing a specific product and it is described what and how to connect in the desired sequence.

AT last resort, we turn to qualified specialists for practical assistance in installing and configuring the pump at your dacha, cottage or high-rise building.

You can learn more about the principle of operation of the listed pumps, how their automation works, from the articles on our website in the heading: or by calling our consultant.

The benefits of any apartment buildings are efficient communication systems, which include plumbing. The operation of household appliances, such as a boiler, washing machine or dishwasher, depends on the quality of its functioning. In some situations, the installed pump helps to increase the water pressure. It pumps the required level in the system, providing a continuous powerful flow.

A booster pump will be the best solution for the local level. It is mounted within the apartment and is designed to serve one household. The installation of such equipment will become effective if the problem lies solely in the lack of pressure, but at the same time all the pipes are not clogged and the rest of the supply system is fully operational.

The need for arrangement

Pumps to increase water pressure are being introduced into the home hydraulic system often on the upper floors. There often established norm reaches the planned values. The optimum is an indicator reaching 5 bar. However, in reality, the value in the pipeline sometimes drops to the level of 1 bar.

Such parameters are invalid, since in this situation automatic washing machines, which require at least 2 atm. It will be possible to take a shower in the shower cabin only at 3 atm. Approximately 2-2.5 atm is needed to start the boiler. The jacuzzi will be in working condition at 3-4 atm.

Operating parameters of connected equipment

Before connecting, you need to figure out which booster pumps for water have characteristics. The difference in them happens in the way they start:

• User launch option. The hydraulic apparatus is stably turned on / off by the owner. It is enough for owners to control the presence of liquid in the system, since operation without water leads to a quick failure from overheating. Often a feature of the operation of such schemes is one-time operations with subsequent shutdown.

• Models for pumping water with automation installed in the system, thanks to special sensors, are connected independently as needed.

When choosing equipment, you should pay attention to the ability to transport a stream of a certain temperature. Structural features are manifested in the possibility of passing water in a limited temperature regime. In specialized outlets or on the websites of online stores you can find the following types of devices:

• units capable of working exclusively with cold systems;
• models designed to be included in hot flow wiring;
• universal equipment designed to interface with any liquid temperature.

A well-functioning pump, which should not overheat significantly during operation, helps to maintain the stability of the pressure level.

Cooling systems help to get rid of overheating.

According to this type, productive models are divided into the following groups:

• The temperature is lowered by the flow passing through the housing. This technique is called the "wet rotor" method. It has minimal noise parameters, but is capable of overheating when operating without water.

• For cooling, rotating blades fixed on the shaft are used. The method is called "dry rotor". The disadvantage is the increased noise during operation. The disadvantages are offset by a fairly high degree of performance, which the pump for water pressure has.

Introduction of step-up stations

For owners of apartments, from the upper levels, it is advisable to install a pumping station. Self-priming equipment includes the following elements in the circuit:

• hydraulic pump;
• manometer;
• relay;
• hydraulic accumulator.

The principle of operation of the unit is to pre-fill the accumulator, set the desired outlet pressure on your own using a relay, and start the pump, which ensures the distribution of fluid to consumers.

In some schemes, it is proposed to exclude the accumulator, however, this approach will adversely affect the duration of operation of the entire pressure unit. It is advisable to choose a larger tank that will fit into the interior of an apartment or house, as this will allow you to turn on the boost system less often.

After the volume is pumped into the tank cavity, a shutdown occurs. In this case, the consumer receives a jet from the accumulator even in the situation when there is no water supply in the system at the moment. If the liquid is completely out of the tank, the relay will automatically turn on the pumping.

Before purchasing a station, it is recommended to clarify its maximum pressure. You can use the popular model Grundfos JP Booster 6-24L, which will provide a pressure of 48 m and has a considerable tank with a capacity of 24 liters. Its cost is approximately 24 thousand rubles.

How to choose the right pump to increase water pressure

When choosing the right booster pump, there are important factors to consider:

• Power characteristics. The more productive the unit is, the wider the number of points that it can effectively serve. In the calculations, it is necessary to monitor the number of consumers, washers and plumbing fixtures.
• Noise. Of course, less noisy devices are preferable, but they may have a higher cost.
• Patency. It is important to pay attention to what diameter of water pipes the pump can be combined with. Working sections are specified in the user manual. Failure to comply with this parameter can lead to work with overloads, breakdowns and a decrease in pressure below the calculated value.

Appliance device

• lift height. When buying a pumping station with a lower load, it may not reach the required level.
• Equipment dimensions. The hydraulic assembly must fit neatly into the allotted space.
• Reliability. It is preferable to choose proven well-known brands that have a long warranty period.

VIDEO: What is the difference between a vortex pump and a centrifugal pump

The main selection criterion is the outlet pressure indicator, which should not be less than 4 barrels. Further, they are already determined directly with the characteristics of the electrical appliance - dimensions, noise level when turned on, wet or dry, etc. Since we are talking about a high pressure pump, for many it will be a matter of principle - manual or automatic control.

Pumping equipment for hot water supply is different from that which is installed in a system with cold water.

In most cases, when choosing, preference is given to well-known brands. Having overpaid, relatively speaking, just for the brand, the user receives high-quality working equipment and warranty obligations, which the seller or the manufacturer will definitely fulfill.

Among the priority companies:

WILO- the leader in consumer demand according to reviews and store statistics. It is considered elementary in management, has been working for more than 7 years in extreme conditions and very reliable in operation.

Grundfos- in some regions, even Vilo bypassed. The obvious pluses are silent operation and low weight. The factory warranty is 12 months.

OASIS- easy to operate, high-quality equipment, which is only striving for the TOP-10, but has not yet come close.

The leader of domestic production, although it does not enter the European market. All without exception are compact and low-noise. Branch pipes for installation are unified for Russian water utility systems.

Wiring diagram - right and wrong

Water low-pressure pumps on collectors work non-stop. In order for the pressure to increase gradually (in steps), a multi-wheel system is used. During operation, the device is able to create a pressure in the system up to 10 bar.

The best models of pumps for increasing water pressure

In order not to be mistaken with the desired result, choose well-known trade marks: Wilo, Grundfos or Jemix. They are widely represented both in online online stores and in traditional construction supermarkets.

Wilo PB-088EA

Small in size model, capable of working with water of different temperatures. Heat is removed by means of a jet passing inside. Equipped with a built-in flow sensor that helps start when liquid appears in the system. The hydraulic apparatus has the ability to work both in manual mode and on the machine.

The noise level is minimal. The outside is protected against corrosion. Dry running blocking. The power is 90 watts. The price is about 4 thousand rubles.

• Installation and operating instructions Wilo PB-088 EA

Grundfos UPA 15-90

Grundfos UPA 15-90

Compact dimensions allow you to mount such a pump to increase water pressure in almost any convenient place. Used for any temperature conditions. It has protection against overheating and dry operation. Cooling type - water.

The device has three modes in which it can be turned off, started by hand or started in automatic mode when the flow drops below 100 l / h. Power - 120 W. Price - 2634 rubles.

• Grundfos UPA 15-90 installation and operating instructions

Jemix W15GR-15A

The booster pump maintains the discharge at the set level. The lowering of the operating temperature is created by a fan or a dry rotor. The advantages are versatility and an affordable price tag, and the disadvantages are noise during operation. Power - 120 W. Price 3 thousand rubles.

• Installation and operating instructions Jemix W15GR-15 A

VIDEO: Why is it needed and how to assemble a storage tank

Residents of an ordinary apartment high-rise building may face a rather unpleasant situation: due to weak pressure in the water supply it is not possible to take a shower, wash the dishes or do laundry. Checking the pipes shows that they are in in perfect order and are not clogged with debris, and the neighbors do not suffer from a similar problem at all, which confirms that there is insufficient pressure in only one room. The solution to this problem is to install a pump that will increase the pressure.

Peculiarities

As a rule, a pump to increase water pressure is used in cases where water pipes relatively new, they are not clogged with anything, as well as the filter with aerators, and the liquid still flows slowly. This is usually due to the fact that water initially enters the water supply from the central riser under low pressure. In most cases, buying a pump completely solves this problem, bringing the pressure to normal.

According to European standards, the pressure in the pipeline should be approximately 4-5 bar or atmospheres, which is explained by the requirements for plumbing fixtures. For example, if the pressure corresponds to 2 atmospheres, then the washing machine may simply not start. If we talk about jacuzzis or showers with special functions, then the situation becomes even stricter - an indicator of 4 bars will be the minimum allowable for them.

Therefore, insufficient pressure can really lead to big problems.

Specifications

Raising and constantly maintaining pressure in the system is carried out using two types of pumps: circulation or self-priming. The first design is arranged as follows: there is a rotor, an impeller is fixed on it, and there is also an engine that rotates the entire system. The circulation pump is called because of the promotion of fluid circulation in the pipes. Suction pumps are characterized by higher performance and more complex device. They are equipped with a hydraulic accumulator with a special membrane. Water is first supplied to the storage tank, and then enters the water supply. It can be concluded that the circulation pump, which raises the pressure, is able to solve the problem only in a separate area, and the suction pump can regulate the water supply throughout the apartment or even the house.

circulation

self-priming

Pumps that increase the pressure in the water supply are also divided into two large groups: with the so-called "dry" rotor and "wet" rotor. "Wet" models are much more compact than "dry" ones. They do not make noise during operation and do not require special maintenance due to the fact that the lubrication of parts is carried out by itself, by pumping liquid. Such a booster pump simply cuts into the pipe and functions like a conventional flow pump. Installation takes place in front of a draw-off point or in front of household appliances, for example, a washing machine that requires water under a certain pressure.

These models are cooled due to the fact that water is pumped.

Among the disadvantages of this type of booster pump, it is distinguished that it does not have high performance and does not demonstrate a high pressure increase coefficient. In addition, the "wet" unit can only be installed in one position: the rotor axis electric drive can only be placed in a horizontal plane.

The second variety are models with a "dry rotor". They possess best power and performance when compared with "wet" models. Such a pressurizing unit can be used simultaneously for several points of water intake. Its power unit is equipped individual system air-cooled and is located slightly away from the main body. As a result, a "dry" pump can only be attached to the wall surface cantilever. The internal parts of these models are periodically subject to friction, so it is necessary to ensure constant lubrication. In addition, it is worth bearing in mind that it creates significant noise.

The device is cooled with the help of blades located on the shaft.

In general, the water pump should only be started when the liquid head is reduced. Control systems that offer both manual and automatic modes help to ensure this. In the first case, the owner himself turns on the pump if he sees that it is necessary to raise the pressure. Of course, he must control its use and prevent situations when the pump runs dry, without water.

In a situation with automation, the water flow sensor is responsible for the operation of the device. It turns on when liquid appears in the pipeline and turns off when it is lowered. Thus, the pump is protected from running dry and, accordingly, from overheating and damage. Most often, the design is sold, being equipped with a sensor, but otherwise it can be purchased.

When the part is bought separately, it is mounted after the pump itself.

If the installation is carried out in a domestic water supply system - that is, in a situation where the liquid pressure can be both normal and reduced, then it is recommended to give preference to an automatic pump with a water pressure sensor. The device will turn on when the pressure is below normal, and turn off when everything is in order. When problems arise in large apartments or a house, you can also purchase a whole pumping station. In addition to the pump, the kit includes a membrane-type accumulator and a pressure sensor. They will not have to increase the water pressure, as they will create it on their own.

Used for hot and cold water supply different systems pumps. To interact with hot water structures are made of special materials that are heat resistant. Due to this, the price for them is much higher than for models that are in contact only with cold water.

There are universal models that work in both cases.

Water pump responsible for high blood pressure in the system also has the following technical specifications: maximum flow, flow rate at which the equipment turns on automatically (ranges from 0.12 to 0.3 liters per minute), maximum and rated power, temperature of the working medium and dimensions of a suitable pipeline.

Separately, it is worth mentioning the automatic fire fighting devices, increasing pressure, because these pumps are used not only in everyday life, but also in industry. They are large standby installations and are used in various plumbing systems, and in fire extinguishing, irrigation and water cooling systems.

Their design is based on vertical and horizontal pumps, but the final design depends on the requirements of the customer.

Scope of application

As a rule, in a private house you can independently adjust the water pressure in the pipeline, but in an ordinary city apartment there are no such opportunities. The inhabitants of the upper floors have the hardest time. It is possible that the old pipes are thoroughly overgrown with rust or limescale. The reason for the drop in pressure can also be filters that have not been changed or cleaned for a long time. In addition, there is also a human factor - utilities do not perform their duties qualitatively, a neighbor narrowed the diameter of the pipe for one reason or another, and sometimes the required power of centralized equipment was initially erroneously calculated. In such cases, all sorts of everyday problems begin to arise: you can take a shower only if the neighbors have gone to work, there is a malfunction washing machine, turn off gas boilers and electric boilers. There are also situations when the pressure level in the water supply system not only fell, but simply does not exist, and the water does not reach the consumer. For example, if the riser is too long and the booster pumps at the inlet are not able to raise the water to a sufficient level.

You can also find pumps that increase pressure from car wash owners, however, in this case they differ from pipeline ones. The body is made of plastic, metal or high-quality alloy. Due to the movement of the pistons in the piston chambers, a high pressure is created inside the system. In such designs, there is also a control system that prevents dry running. When the release valve in the pistol is closed, the automation switches off the electric motor. This happens at the moment when the pressure inside the pump rises to the working one.

Manufacturers

Undoubtedly, the best manufacturers booster pumps are considered European firms. However, domestic companies also demonstrate decent results, especially in collaboration with Chinese ones.

The German unit "Wilo PB-201EA" is considered the best water pump produced in this country. It provides for both manual and automatic control, has a capacity of 3.3 cubic meters per hour and a head of 15 meters. In addition, it functions seamlessly in hot water and is able to withstand temperatures up to +80 degrees.

The Russian-Chinese booster pump "Jemix W15GR-15A" occupies a leading position in the "dry rotor" category.

It is inexpensive, reliable and can be used in both hot and cold water.

Wilo PB-201EA

Jemix W15GR-15A

The Danish device "Grundfos UPA 15-90 (N)" is equipped with a stainless steel case and an asynchronous motor. It can operate either in manual or automatic mode. The pressure corresponds to 8 meters, and the flow is 1.5 cubic meters per hour. It is very economical, because the power consumption reaches only 0.12 kilowatts. In addition, it does not make a lot of noise, is very resistant and has protection against overheating and dry running.

"Comfort X15GR-15" is one of the best budget water pumps. It is made in Russian-Chinese production and has the following parameters: productivity - 1.8 cubic meters per hour, pressure - 15 meters. The device functions both in manual and automatic modes and is mounted horizontally with additional fixation to the wall. The maximum possible water temperature reaches 100 degrees, which means that it can be used in both hot and cold water supply.

The pump consumes little energy, is not subject to corrosion and is cheap.

Grundfos UPA 15-90 (N)

Comfort X15GR-15

Among the pumping stations, the Danish booster station "Grundfos MQ3-35" with automatic control is distinguished. The suction depth reaches 8 meters, the head is 34 meters, and the flow rate is 3.9 cubic meters per hour. The station is equipped with a self-priming pump, an electric motor and a hydraulic accumulator.

It is reliable and has an anti-cycling function.

How to choose?

The more carefully the buyer approaches the process of choosing a pump, the better effect he will get as a result.

When purchasing a device, you need to take into account the following parameters:

• Device power. Knowing this indicator, you can determine how many pumps can serve water intake points. The required power depends on which taps, which household appliances and in what quantity require pressure increase.
• Noise level. This option is also recommended to know in advance.

• installation requirements. Some models can only function in conjunction with pipes of a certain diameter. Otherwise, the pump will not only not cope with the increase in water, but will also quickly fail, being operated with overloads.
• The height of the water level created by the pump. This indicator is relevant in the case of pumping stations serving several apartments at once.

• The performance of the device or the amount of liquid that the pump is able to pump in order to create the necessary pressure for certain time. It should be borne in mind that the value of this indicator should be higher than the average water flow at the water intake point where the pump will be installed.
• Maximum allowable temperature water. Depending on this indicator, it is determined whether the pump will be installed for cold or hot water supply.
• Device dimensions. They need to be known in order to determine in which section of the water supply the pump will be installed.
• Manufacturer. It is recommended to give preference famous companies, with due authority and numerous positive reviews.

In this case, you can count on warranty, maintenance, and repair.

First of all, a pump is selected based on the outlet pressure, which should reach 4 bar. When choosing a high-pressure pump, the presence of automation or manual control can be decisive.

Wiring diagram

The wiring diagram for the pressure booster is simple. The pump must be installed in front of the water intake points. Thus, as soon as it senses a slight movement of water, the flow sensor will react and the pump will turn on. To create a system that will provide stable pressure to all devices in need, you will also first have to think about the distribution of water. Installing the pump at the right point will allow you to limit yourself to one device serving all water intakes.

If in a private house required pressure is not available in the rooms of the upper floors, then it is worth thinking about using a pumped-storage membrane tank of the maximum possible volume and a high-pressure pump. An increase in flow will turn on the pump, which, in turn, will serve the system on all floors. Such a pumping station operates in automatic mode. Its main element is a self-priming centrifugal pump. Even if the pressure in the pipes is at zero, it will raise the water from the required depth, for example, from the basement sewer, and create the required pressure. The pressure switch will be responsible for turning on the electric motor only in a situation where the pressure is below the required level. The storage tank will create a certain supply of water. It will also be under pressure and will go into consumption if the water supply to the main is interrupted. Following this scheme, the pumping station will raise the water up and provide the necessary pressure.

In a multi-storey building, it is recommended to create a similar system, but with large capacities, with a huge reservoir and at the expense of the residents collected from the entire riser. The basement houses a pressurized supply of water, required amount which each resident will receive.

How to install?

Installing a pump to increase pressure with your own hands is very simple - the installation is no different from tapping other devices into the pipeline. The first step is to turn off the water supply. If there are common valves that are located outside the apartment, then you should take care that they do not accidentally open. A pipe is cut off at the selected section and a pump is inserted into the freed space, which has two taps: at the inlet and outlet. If necessary, they will allow you to replace or repair the device. During installation, it is also important to consider which direction the water usually moves.

At both ends of the pipe, an external thread is also created, while the adapters have an internal one. Adapters are also supplied with fittings.

Then, depending on the material from which the pipes and the booster itself are made, technologies are applied to connect. For example, a soldering iron is required to work with polymer pipes. Then the integrity is checked, and the control procedures are carried out under pressure and the motor is connected to the mains. To do this, a three-core cable is drawn connecting the pump to the electrical panel. If possible, it is better to organize an additional outlet near the installation site and connect the device through a separate residual current device. After the final check in operating mode, you can complete the procedure.

As a rule, the installation of the pump is carried out according to the instructions that were originally attached to it.

If a model can only be mounted in a certain position, this condition will be indicated.