Dry rotor water pressure booster pump. How to increase water pressure in a private house

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Insufficient pressure in the water supply system worsens the level of comfort and makes it impossible to fully use household appliances. To eliminate this drawback, a special pump is used to increase the water pressure in the apartment. Proper acquisition and installation of the appropriate equipment will ensure its subsequent operation without unnecessary problems and costs for the owner.

Comfortable use of several devices will require good pressure

What tasks will the pump help to solve to increase the water pressure in the apartment

Before the implementation of this project, it is necessary to make sure that it is necessary, to study the equipment market, to clarify the price level. This will help to more accurately determine the amount of funding and time costs.

Why use this technique

IN autonomous systems water supply of private cottages, appropriate user adjustments are provided. But in standard city apartments there are no such opportunities.

Utilities do not always fulfill their obligations exactly. Sometimes the power of centralized equipment is poorly calculated. In other cases, attempts are made to "save" at the expense of ordinary consumers. Be that as it may, but as a result the pressure is too small:

More serious difficulties arise in the presence of a separate heat supply system. Built-in sensors turn off gas boilers even when the pressure drops below a certain level.

How to determine your real needs

The list of possible troubles is clear. But first it is necessary to clarify the state of the existing engineering system.

It is fashionable to remove hard plaque from calcium salts using citric acid, or using specialized funds category "from scale". Such deposits can gradually accumulate in pipes. Over time, they will reduce the working holes to a critical level, which will create a corresponding negative effect.

To check, you need to go to the neighbors. If they also experience a drop in pressure, you can try to influence legal methods on management company, or direct service provider. At negative result you will have to buy a pump to increase the water pressure in the apartment.

When the study did not reveal any shortcomings in the neighbors, the condition of the pipeline is checked. In some cases, you will have to turn to the help of specialized enterprises.

Note! Pipe replacement is not always necessary. Sometimes problems can be solved with the use of flushing.

Criterias of choice

To consider suitable equipment samples, pay attention to the following factors:

Critical is the pressure drop below 1-1.5 atm.
The norm for the operation of household appliances is from 2 to 3 atm.
The maximum threshold is from 4.5 to 5 atm.

Note! If a pressure gauge is installed in the inlet line in combination with a filter, then an on-line pressure check will become available, and the causes of mechanical clogging of pipes will be eliminated.

Manual control of the pump is not convenient enough and less productive. The drive will not consume electricity economically. But due to relative simplicity, the overall reliability of such a system is higher, and the cost is lower.

Automated counterparts are more expensive. However, they not only provide rational use energy resources:

Such a pump for increasing the water pressure in the apartment performs its functions for a limited time, which increases its resource.
When fully equipped with sensors and emergency valves, an increase in pressure above a critical level will be prevented. It should be remembered that such drops can provoke maintenance and repair enterprises.

To accumulate water and dampen pressure surges, some projects include special tanks. Such a reserve is useful in case of increased consumption and interruptions in the operation of centralized networks.
Systems of this kind are convenient. They work independently, without settings and other user actions.

Related article:

How to get the right pump to increase water pressure: prices, models, manufacturers

To refine the study modern market it is recommended to consider products well-known manufacturers. It is created on the basis modern technologies And scientific research, with good consumer characteristics.

A typical Wilo water booster pump has the following parameters:

Its inclusion occurs automatically when the water consumption increases above a certain threshold (1.5-2 liters per minute).
It is designed for operating temperature liquids up to +85°C. This means it can be used in hot cold water systems.
Special nodes cut off the power in the "dry run" mode and when the drive overheats.
The low noise level at maximum speed allows installation close to living quarters without additional insulation.
Such a device is able to perform its functions fully without additional sensor pressure and storage capacity.

Equally well equipped are Grundfos water booster pumps. The following table lists the features of several popular models from these manufacturers.

Table 1. Features of several popular pump models.

Image	Model	Head, m	Productivity, l/min	Power consumption, W	price, rub.
Wilo
	PB-088EA	8	35	140	3000-5000
	PB-200EA	15	55	340	4500-6000
	PB-400EA	20	75	550	11000-12000
Grundfos
	UPA 15-90	9	40	118	4000-5000

Despite the general similarity, some important parameters differ. So, for example, the manufacturer Grundfos claims the working temperature of the liquid is not more than + 65 ° C. Therefore, a thorough check is needed to take into account comparability with certain conditions operation.

Installation of equipment

Installing a pump to increase water pressure in a house is no different from inserting another device into the main pipeline:

The water supply is blocked.

At a suitable site, the pipe is cut and a pump is inserted into the gap with two separate taps at the inlet and outlet.

When installing equipment, be sure to take into account the normal direction of water movement.

Depending on the material, appropriate technologies are used.

Quite often, residents of high-rise buildings and private houses are faced with the problem of insufficient pressure in the water supply. For this reason, the work is difficult, and. To ensure normal pressure, it is necessary to install a pump to increase the water pressure in the apartment. Together with the experts of the online magazine, the site will consider the varieties, features of choice and self installation water pressure equipment.

It is known that water supply systems contain a large number of and branches, as well as bends. This results in a pressure drop that is well below the values set in normative documentation for city networks. Weak water pressure in most cases can also be due to wear and tear of pumping equipment.

So, the pressure power should be at least 4 atmospheres. In practice, this figure is much less. The table shows some values of the pressure standards of the plumbing system for the operation of household appliances and other equipment.

Table 1. Minimum indicators water pressure work for household appliances

Pressure indicator (in atmospheres)	Equipment
2−2,5	And
3	Fire extinguishing equipment
4	Jacuzzi, hydromassage boxes

Boosting water pressure equipment is also installed in cases where the pressure at different points of consumption within the same apartment is different, or there are no comfortable living conditions at all (water flows in a thin stream constantly, there is no way to turn on heating, etc.).

Advice! Not in all cases, the problem with the pressure of cold and hot water solved with the help of pumping equipment. Very often it is too low due to clogging of the plumbing system or a breakdown. Before you buy a pump to increase water pressure, you need to make sure that there are no emergency, and if necessary, eliminate it or replace the damaged section of the highway.

Classification of high pressure water pumps

By type of management

Many people do not know how to increase the water pressure in an apartment and choose the right booster equipment for this purpose. First of all, you should know that the devices for providing the necessary pressure differ in the type of control.

They can work in automatic and manual mode. In the first case, a water flow pressure sensor is installed in the pump, which regulates its operation. As soon as the tap opens, the pumping unit turns on. You should know that such equipment is much more reliable than manual counterparts, since it has protection against switching on in dry mode (in the absence of water pressure).

Concerning manual settings they operate continuously. This obliges to periodically monitor the equipment, and if necessary, turn it off to avoid overheating. A significant disadvantage of such stations should be attributed to the short resource of mechanisms.

Hand pumps usually cut into the pipeline and. If you open the valve, the contacts will work, which turn on the power to the pumping device. In turn, this leads to an increase in pressure in the line. Also have flow plants, which are mounted directly to the place of water intake or in front of various types techniques to enhance their performance.

Permissible water temperature in pipes

Almost every pumping station for increasing pressure in the line is designed for a certain operating temperature of the water. It cannot exceed 60°C. The pump is connected to the apartment wiring, increases the pressure in the system, after which the water is heated, if necessary, with the help of, and other installations. Among the models of pumps, there is equipment operating from a cold or hot water supply line. There are also universal designs of stations that function regardless of the type of connection and the temperature of the liquid.

Type of engine cooling

Since electric motors are used to change the force of water pressure in the lines, this requires the use of cooling systems. Pumping units come with a "wet" as well as a "dry" anchor. In the first case, the equipment has small dimensions and is installed directly on the main pipe.

"Wet" pumps, unlike "dry" counterparts, operate almost silently, since during the pumping of water, the rotating parts of the mechanism are lubricated. If the discharge compressor has a “dry” armature, its shaft is equipped with an impeller, thanks to which the casing is air-cooled. Such pumps are characterized by increased productivity, and they are used if it is required to provide normal pressure at the same time for several water intake points (consumers). It is important to know that the design of "dry" pumps is fundamentally different from other types. The rotor of the device is placed outside the design of the unit, in addition, it has a separate air cooling system. This completely eliminates the interaction of the armature of the electric motor with aquatic environment.

What specifications should be paid attention to when choosing a high pressure water pump

Power

To correctly buy a pump that increases the pressure in the water supply, you should pay attention to its power. It is this indicator that determines the performance of the device and its capabilities. When choosing models, you must also be aware that appliances with high power in apartments are not always justified.

If you need to install auxiliary equipment for an apartment, it will be enough to purchase a pump with a power of up to 0.25 kW. This technology is energy efficient and does the job well. If the dwelling is large and it is necessary to provide water supply to several points at the same time, installations with a capacity of up to 0.5 kW can be used. In private houses, as a rule, they use from 1 kW and above.

Water lift height

Each pressure booster is designed in such a way as to supply water to a certain height. This moment should be taken into account when choosing a model, especially if installation is to be carried out on the upper floors of a high-rise building. This indicator can be obtained from the sellers of products, which is indicated in technical passport equipment.

Size

The dimensions of the pumping equipment also play an important role when choosing a model. Many people, in order to save space, prefer to install compact devices. If the pipeline is not and there is no accident in the line, but there is no pressure, you should think about buying a self-priming pumping station with.

Noise

When choosing a pump model, you should pay attention to the noise level of the equipment. For apartments, you can purchase an installation with a "wet" rotor, which will work almost silently. If it is possible to make the installation of a pumping station in the attic, in this case it will not be heard in the premises how the unit turns on and off.

How to increase the water pressure in the apartment

When to choose a pumping station for increasing water pressure

A pumping station may be required if water is not supplied to the last floors of skyscrapers. Also, this equipment is used for installation. The station is a centrifugal equipment designed to increase and stabilize the water pressure in the pipelines. The tank has a reservoir of a certain volume, which is filled by means of a pump. As soon as the water supply in it ends, the relay is activated, and the liquid enters the accumulator. In practice, it has been found that more volume tank, the more reliable the equipment works, since the unit is switched on and off infrequently.

Related article:

Why do you need a pumping station, its advantages and disadvantages, the principle of operation, selection criteria, popular models and manufacturers, prices, do-it-yourself installation details - read in our publication.

Why choose a water-cooled pump for an apartment

Many people prefer to install water-cooled units in their apartment. This is due to the fact that pumps that increase the pressure of water in a water supply system with a “wet” anchor are compact in size, have a low noise level and are easy to maintain.

In addition, the connection of this equipment does not represent special difficulties. First, a pipe section of a certain length is cut out in the supply line, after which the unit is mounted, which functions on the principle of flow pumping equipment. The installation is carried out directly in front of the place of water intake or equipment (, etc.) in order to provide the necessary pressure for its operation.

The best models of water pumps for increasing pressure in an apartment

Booster pump Wilo

If you need to install reliable pump increasing the water pressure in the apartment, you should pay attention to Wilo products. In particular, the PB201EA model has a water-cooled type, and the shaft is made of stainless steel.

The body of the unit is made of cast iron and treated with a special anti-corrosion coating. Bronze fittings provide a long service life. It is also worth noting that the PB201EA unit has silent operation, has automatic protection from overheating and a large motor resource. The equipment is easy to mount, however, it should be remembered that only horizontal installation this device. Wilo PB201EA is also designed for pumping hot water.

Grundfos water booster pump

Among the models of pumping equipment, Grundfos products should be highlighted. All units have a large operational life, well withstand sufficiently large loads, and also provide a long smooth operation plumbing systems.

Model MQ3-35 is a pumping station that can solve problems with water pressure in pipes. The installation is controlled automatically and does not require additional control. The design of the unit includes:

hydraulic accumulator;
electric motor;
pressure switch;
automatic protection unit;
self-priming pump.

In addition, the unit is equipped with a water flow sensor, which ensures high efficiency in operation. The main advantages of the station include high wear resistance, long service life and quiet operation. Please note that the MQ3-35 unit is designed for cold water supply. Booster pumps are also equipped with relatively small storage tanks, which, however, are enough for domestic tasks.

In order for the circulation pump for water supply to work both in manual and automatic mode, we advise you to pay attention to the model of the Comfort X15GR-15 unit. Frame this device made of stainless steel, so the unit is not afraid of moisture and can function in any conditions.

An impeller is installed on the rotor, which provides excellent air cooling. The unit has a compact size, does not require special maintenance, and also consumes electricity economically. If necessary, it can be used to pump hot water streams. The disadvantages of the installation include the loud operation of the power unit.

Pump station Dzhileks Jumbo H-50H 70/50

The Jambo 70/50 H-50H pump station is equipped with a centrifugal pump unit, a horizontal accumulator and a sweat pressure switch. The design of the equipment includes an ejector and asynchronous electric motor which ensure stable operation of the plant.

The housing of the home water pumping station has anti-corrosion coating. Automatic block management provides simple operation equipment, and built-in protection against overheating eliminates the possibility of damage to the unit. The disadvantages of the unit include loud work, and there is also no protection against "dry" running. In order for the device to function properly, it is recommended to install it in a room with good ventilation and low temperature.

Jemix W15GR-15A

Among the models of booster pumps with an air-cooled rotor, Jemix W15GR-15A should be highlighted. The body of the unit has increased strength, since it is made of cast iron. The components of the electric motor design are made of aluminum alloy, and the drive elements are made of particularly durable plastic.

Pump equipment has a high performance, and can also be used indoors. Manual and automatic control of the unit operation is possible. If necessary, the unit can be connected to hot water supply. Significant disadvantages include rapid heating of the elements of the device and noise.

Video "Installation Features circulation pump with your own hands":

Consider the features of the installation work on the example of a circulation pump. Connecting the unit is not particularly difficult, therefore this work can be done on your own. First of all, it is necessary to insert the unit at the inlet of the water supply.

After measuring, it is necessary to cut a piece of pipe of the required length from the water pipe. Before proceeding with the installation, the water supply must be shut off.

Advice! The unit must be tapped in the position recommended by the manufacturer.

The pump must be installed on a prepared section of the water supply system, for which water shut-off valves, fittings and other connecting elements should be used, which are selected depending on the selected scheme. Places threaded connections sealant is recommended.

Upon completion of the installation, you must connect the pump to the mains in accordance with the recommendations described in the manufacturer's instructions. It is extremely important to follow the safety rules to avoid injury.

After carrying out the installation work, it is necessary to test the operation of the unit, evaluate the quality of the water pressure. If necessary, correct assembly flaws and repeat the check.

The life of a modern person living in an apartment building is unthinkable without the usual amenities: electricity, sewerage and, of course, running water. However, it often happens that the quality of services provided by the water utility is unsatisfactory, namely, the residents are not satisfied with the pressure in the water supply. Weak pressure leads to the fact that household appliances refuse to work, and sometimes water simply does not reach the upper floors. Therefore, many are interested in the question of how to increase the water pressure in an apartment using a booster pump? Let's try to answer this question.

When is a booster pump needed?

Water pressure in a water supply system is measured in two quantities - bar, atmosphere and water column:

1 bar = 1.0197 atmospheres = 10.19 meters of water.

According to regulatory documentation, the pressure in the water supply system of a city apartment should be no more than 6 atmospheres and at least 2, ideally 4, and for a water supply system in a private house, the average will be 3 atmospheres. However, the reality is that the pressure in the water supply system of high-rise buildings jumps a lot.

Pressure over 6-7 atm. has a negative impact on plumbing, pipeline, breaks in connections occur. At the same time, low pressure also causes many inconveniences. At a pressure of less than 2 atmospheres, washing machine, nor geyser neither the dishwasher will work. For normal operation of household appliances in the system, there must be a minimum pressure in the range from 2 to 2.5 atmospheres.

Therefore, when the pressure indicators are below the norm, then it is necessary to use special boosting devices:

pumps to increase water pressure;
self-priming pumping station.

However, before choosing a water pump to increase pressure, you first need to establish the problem:

there is water in the water supply, but its pressure is very weak;
water does not reach the upper floors, but everything is fine on the lower floors.

The first problem can be solved by household water pumps that increase the pressure in home system, and in the second case, only a self-priming pumping station can solve the problem. Therefore, you must first find the cause low pressure, and then select booster pumps.

Very often the reason weak pressure is the destruction of the water supply, corrosion or severe contamination of pipes. Then installing a high-pressure water pump will not help, the pipeline needs to be replaced. Well, if the reason is still low pressure, then it can be increased by installing appropriate equipment in the apartment.

The station for increasing low water pressure is also based on the use of a pump to increase pressure, however, in this device it is connected to a hydraulic accumulator, and a special relay is used to pump pressure in the water supply. At the same time, a self-priming centrifugal station pumps liquid into the storage tank.

What are pressure boosters?

So, when choosing pumps for water supply in order to increase pressure or raise water to the upper floors, you need to know what types of units for increased pressure exist. For example, to increase low pressure, it is enough to choose a design that is compact in size and small in power, such as "in-line", which is simply installed in the system and raises the pressure by 1-3 atmospheres.

Such a pump can operate in the following modes (classification according to the method of inclusion):

manual activation - ensures continuous operation of the unit when the equipment is turned on. If there is no need to increase the pressure, then the device is simply turned off. In this case, it is necessary to ensure that the pump does not overheat;
automatic switching on - in this case, the flow sensor reacts to the presence or absence of flow. When water is drawn, the pump turns on, and if there is no certain flow per second, then the unit turns off. These models are more economical;
combined options - they can work either in one or another mode, if you translate a special switch.

Existing units are also classified according to the cooling method:

with a dry rotor - cooling occurs due to the movement of the blades mounted on the shaft. Differ high efficiency, however, they are large in size and make a lot of noise;
with a wet rotor - cooling occurs due to the pumped liquid. They have a low noise level, compact dimensions, but are less efficient.

By type of construction, the following models can be distinguished:

in-line - small, but inefficient units that are mounted in the supply pipeline;
vortex - with higher performance, but noisy and require special piping.

Also, the booster pump differs in the installation method: horizontally, vertically, in both positions, and in the number of operating speeds:

single-stage - with one pumping speed;
multi-stage - with several speeds that switch depending on the flow rate.

According to the principle of operation, a flow, pressure, injection pump, as well as a unit that increases circulation are distinguished.

It should be noted that pumps for increasing pressure are universal, that is, they can be used in systems with both cold and hot water supply. And there are models that can only be used for hot or exclusively for cold water.

What parameters to pay attention to when choosing?

First of all, it must be remembered that the high-pressure water pump is powered by electricity, and it needs to be provided with a normal power supply. Also, in most cases, such equipment is very demanding on voltage. Therefore, if the installed booster pump does not increase the pressure to the required level, then check the voltage in the mains. If it is low, then the required power of the unit cannot be achieved.

It is also important to take into account specifications devices that determine whether the pump can cope with the task:

Maximum flow - this parameter shows how much water this device can pump per unit of time: liters per minute or cubic meters per hour.
Maximum operating pressure- the value that the booster unit can output relative to the installation site.
Minimum turn-on speed - a parameter that indicates when the equipment turns on: at a speed of 0.12 l / min or 0.3 l / min. It depends on this indicator whether the unit will work when the toilet bowl is filled, or it will turn on only after opening the mixer in the bath.
Maximum and rated power - this value shows the performance of the motor, measured in watts (W). The higher the power, the higher the maximum pressure.
Temperature of the working environment - indicates at what temperature the equipment can operate (for hot or cold water). Measured in degrees Celsius.
Cross section of connecting elements. The pressure increasing pump cuts into the pipeline, so it is important that the size of the connecting nuts and fittings match the diameter of the pipes, otherwise the pressure will be less.
Noise level - measured in decibels (dB), different models your noise level.
Equipment size - important parameter, which must also be taken into account, since this unit can be installed in very small rooms.
The number of speeds of the unit.
Reliability and reputation of the manufacturer. Companies such as Sprut, Aquatica, Wilo, Katran, Grundfos, Euroaqua, Jemix have proven themselves best. Grundafos is the best Danish brand.

In order not to choose for a long time, they usually buy a pump that increases low water pressure with an in-line (built-in) design with a wet rotor. This is the most optimal model combining low level noise and ease of installation.

Vertical or horizontal type of installation - depends on the place where the water flow enters. As for speeds, then, of course, multi-stage equipment is better, but these models are expensive, so not every consumer is ready to pay a round sum for them.

In this case, it is better to choose pumps that operate in both manual and automatic modes, since not all water intake points can create a flow that is necessary to turn on the device. Then, having a manual mode, the unit can be turned on forcibly.

The material of manufacture of the housing and impeller is also worth paying attention to. The body can be made of stainless steel or cast iron, with stainless steel being preferred. In the cheapest models of this device, the impeller is made of plastic, while the more expensive pumps are made of brass or bronze.

Features of installing a device for pressure in the water supply

The installation location of the pressure boosting equipment depends on the specific situation. To ensure the normal operation of the faucet and shower head, it is enough to mount it at the outlet of storage tank. For devices that are more demanding on pressure (washing machine, dishwasher, water heater), it is better to install the pump in front of them.

With sufficient flow and power, one unit, as a rule, is enough for two points of water intake, but it is necessary to carefully consider the scheme. One way or another, when designing the installation scheme, it is worth considering the possibility of bypassing or removing the pump. This can be done using a bypass with a shut-off valve.

However, the installation of several low-power pumps at once is not the best way. In this case, it is worth installing more powerful models capable of stabilizing pressure at high flow rates.

The installation of a pump to increase the pressure in the water supply of an apartment or a private house is performed in the following sequence:

First, mark the pipe on which the equipment will be installed, taking into account the length of the device and fittings.
Then the water supply is shut off in the room.
After that, in the marked places, the pipe is cut.
At the ends of the pipeline, an external thread is cut.
Then adapters with an internal thread are mounted on the pipe.
Fittings from the kit with the pump are screwed into the installed adapters. For better sealing, wind FUM tape around the thread.
An increasing device is mounted, while it is necessary to follow the instructions of the arrow on the body of the device, showing the direction of water flow.
After that, from the electrical panel to the device, you need to stretch a three-core cable and, preferably, make a separate outlet, and it is better to connect the device through a separate RCD.
Then the pump must be turned on and its operation checked, paying attention to the absence of leaks at the joints. Tighten the fittings if necessary.

Proper installation of the device will provide water needs for many years. Adhere to the following recommendations during the installation of equipment:

in order for the pump to work longer, it is better to install a mechanical filter at the inlet to it. So you can protect the device from getting into it unwanted particles;
it is better to mount the unit in a dry and heated room, since low temperatures can freeze the liquid in the device, which will disable it;
vibration from the operation of the equipment, over time, can loosen the fasteners, causing a leak, so sometimes you need to check the connections for leaks.

Now you know how to increase the water pressure in the apartment. Remember that a well-chosen and properly installed device can solve the problem of low pressure in the water supply.

Often in existing system water supply in the country house 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. IN best case we have a pressure of 0.8-1 atm. This is not always enough even for a shower, but to connect a boiler or washing machine possible 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 enhances the already existing high 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. It depends on this figure 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 parse points produce the required automatic start consumption. 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. Basically, than more powerful pump, the more pressure it is able to provide, but much still depends on the design and materials used.

The temperature of the 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 device country water supply(according to the site) - the choice of pipes, the development of the circuit and the connection - read.

Installing a pump that increases water pressure

The installation location of the pumps depends on the specific situation. For the normal operation of the tap 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 productive models that can stabilize the pressure at a significant flow. 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 bigger size or somewhat smaller. We read about the selection and installation of a pumping station

Many people who live in apartment buildings. One of the most popular and most affordable ways to solve this problem is to install a pump in the water supply system of the apartment to increase the water pressure. Nevertheless, such a measure does not always solve the problem completely, and in some cases it does not solve it at all. In order not to find yourself in a situation where a pump to increase the water pressure in an apartment turns out to be a useless acquisition, to solve the problem with a weak water pressure, you should use not a superficial, but a deeper systematic approach.

What can cause low water pressure in the apartment

Before finding out why the pressure in the water supply system has decreased, you should understand in what units it is measured and what value of this parameter is considered normal for domestic water supply systems.

In information tables, as well as on the scales of control devices, the value of liquid pressure can be expressed in four basic units of measurement: bar, technical atmosphere (at), meter of water column (m water column), kilo- and megapascals (kPa and MPa). When measuring pressure in household systems water supply, where too much accuracy in accounting for parameters is not required, the following relationships between different units of measurement can be used:

1 bar \u003d 1 atm \u003d 10 m of water. Art. = 100 kPa = 0.1 MPa

What is the normal water pressure in the water supply of the apartment? According to current standards, the value of this parameter should be about four bar. This pressure of water is quite enough to ensure that everything in the apartment can work without interruption. plumbing fixtures And Appliances connected to the water supply system (faucets, drain cisterns, shower cabins, washing and dishwashers and etc.). However, this regulatory requirement strictly observed in very rare cases. Usually in plumbing apartment buildings constant pressure jumps are observed, which can occur in the direction of both its increase and decrease.

If the question is high blood pressure in domestic water supply it is solved quite simply (by installing a water reducer at the inlet to the system, which equalizes the water pressure in the entire internal piping), then in order to eliminate the problem with a decrease in pressure, it is necessary to determine why this happens.

In order to find out where the pressure drop occurs - in the water supply system of only your apartment, in the whole house or in apartments that receive water from one riser, you need to interview neighbors living in the upper, lower and side apartments. If it turns out that your neighbors also need an increase in water pressure, you should contact the utility service serving your home with this issue. If this problem is local and occurs only in your apartment, then you personally should look for ways to solve it.

First of all, it is necessary to localize the section of the apartment water supply, which needs to increase the water pressure. To solve this problem, a conventional pressure gauge is used, with which the water pressure is measured at various points in the water supply system. The data obtained as a result of measurements will allow us to draw conclusions about negative factor, the impact of which leads to a weak pressure of water flowing from the taps in your apartment.

Clogged pipes help identify different meanings pressure on separate sections apartment water supply systems. Most often, this situation occurs when using old steel pipes, the inner walls of which are highly rough. The only way to effectively solve this problem is to replace old pipes with new ones.
It is also possible that the sump (filter) is clogged coarse cleaning), installed, as a rule, in front of water meters. If the reason for the poor water pressure lies precisely in this filter, in all sections of the water supply system located after such a device, the same low pressure will be recorded. The problem of clogging the coarse filter is solved quite simply: it is opened and the accumulated debris is cleaned out of it.
The least critical and easiest to solve problem that caused a weak water pressure is clogging of the aerator - the filter mesh that the ganders of the cranes are equipped with. A manometer will also help determine that this is the reason, which in such cases will show that the fluid pressure in all parts of the water supply is normal, but only a weak stream flows out of the tap. To fix the problem, the filter mesh is unscrewed from the gander of the crane, thoroughly cleaned and installed back.

If the water pipes in your apartment, the filter and aerators are not clogged, and the water initially enters the water supply under low pressure from the central riser, then you can install it in the apartment to increase the pressure. household pump swap.

In many cases, the installation of a compact pump for pumping water from a central water supply system leads to an increase in pressure in water pipes apartments to standard values.

Varieties and design features of household pumps

Pumps for increasing the water pressure in the apartment according to the design can be divided into two large groups:

devices with a "wet" rotor;
water pumps with a "dry" rotor.

Pumps for increasing water pressure, belonging to the class of devices with a "wet" rotor, are compact in size, less noisy during operation and do not require special maintenance, since the lubrication of their internal parts is provided by the liquid they pump. The scheme for connecting such devices to the water supply is quite simple: they simply cut into the pipe and work like a flow pump. Such booster pumps are installed directly in front of the draw-off point or in front of household appliances, into which water must flow under a certain pressure.

Wet rotor pump design

If we talk about the shortcomings of booster pumps of this type, then this should include:

low productivity;
not too high rates of additionally created water pressure;
the possibility of installation only in such a way that the rotor axis electric drive pump was located in a horizontal plane.

Water pumps for home plumbing belonging to the class of devices with a "dry" rotor, differ more high power and performance when compared to wet rotor models. This booster pump right choice and installation can be used to simultaneously service several points of water intake. The power unit of the electric pump-pump of this type is moved away from the main body of the device and is equipped with its own system air cooling. Because of this, the booster pump with a "dry" rotor must additionally be cantilevered to the wall surface.

Pump device with a "dry" rotor

A dry rotor booster pump requires regular lubrication of internal components subject to friction. In addition, this high-pressure water pump creates a noticeable noise during operation, which must be taken into account when choosing a place for its installation.

Starting the booster pump for the water supply should only occur at those moments when the pressure of the liquid decreases. Provided this requirement using pump control systems that can operate in manual or automatic mode.

The water pressure booster pump, equipped with a manual control system, is switched on by the user when the need arises. Accordingly, the user of such a device is responsible for the serviceability of the pump for increasing the water pressure in those cases, for example, when it will run dry, without water.

The automatic pressure pump, which is controlled by a water flow sensor, turns on automatically when liquid appears in the pipeline, and turns itself off when the pipeline is empty. Equipping the pump automatic sensor allows you to prevent cases of equipment idling, which inevitably leads to overheating of the device and, accordingly, to its rapid breakdown. When choosing a pump that increases pressure, you can immediately purchase a model equipped with a water flow sensor, or purchase such a sensor separately if it is not provided in the factory configuration of the pumping device. If the flow sensor is purchased separately, it should be placed after the pump that increases the water pressure.

For installation in domestic water supply systems, in which the liquid pressure can periodically be both normal and reduced, it is better to use an automatic booster pump, additionally equipped with a water pressure sensor. The task of such a device, which also operates in automatic mode, is to turn on the pressure pump in cases where the water pressure drops below normal, and turn it off if the liquid pressure meets the required parameters. In this case, the pressure pump will not turn on even if it receives a control signal from the flow sensor, if the water pressure meets the required values.

In cases where the living area allows, an increase in the pressure of the liquid in the water supply system can be provided by a pumping station for the apartment. Such a pumping station, the design of which, in addition to the pump itself, is made up of a membrane-type accumulator and a pressure sensor, not only increases the pressure to the required level - it creates it itself.

The efficiency of the pumps used to increase the pressure in the water supply system is largely determined by the correct choice of such equipment.

When purchasing a booster pump for water, you need to pay attention to the following parameters.

The power of the device is a parameter that determines the number of water intake points that can be served by a pressure-increasing pump for a water supply system. When choosing a pump on this basis, you should first of all decide on how many taps and household appliances in the apartment it will have to supply water under the required pressure.
The noise level that the pump makes when it pumps water into the system should also be known before purchase.
Separate models of pumps for increasing water pressure are installed on pipelines of only a certain diameter. Otherwise, such a device will not only not contribute to an increase in water pressure, but will also start to work with overloads, which will lead to its rapid failure.
The height of the water level rise that the pump can provide is a parameter that is relevant in cases where not ordinary apartment boosters are selected, but pumping stations used to increase the water pressure in the pipelines of several consumers at once.
The performance of the device is a parameter on which the amount of liquid pumped by the pump to increase the pressure in the water supply system per unit time depends. When choosing a high-pressure pump for water, it should be borne in mind that the value of the named parameter must be higher than the average water consumption consumed by the water supply system or water intake point where such a device is planned to be installed.
It is also important to take into account the maximum allowable temperature pumped water. The type of pipeline (cold or hot water supply) on which the pump can be installed depends on the value of this parameter.
The size of the device determines the choice of a section of the water supply for connecting the pump.
The manufacturing company, its fame and credibility in the market are no less important than all of the above parameters. When choosing high pressure water pumps, it is better to give preference to models from well-known manufacturers that produce products. High Quality providing reliable guarantees for it and ensuring its Maintenance and repair.

How to ensure high water pressure throughout an apartment building

The problem of low water pressure, which worries residents of apartment buildings, can be solved in a more radical way - by installing a pumping station to increase water pressure, which will serve the entire house. Such pumping stations for supplying water to the apartments of the whole house, operating in automatic mode, are equipped with a self-priming centrifugal pump, a hydraulic accumulator and a pressure switch. Pumping stations of this type are also used in systems autonomous water supply for a private house or cottage.

Another way to increase the water pressure in the apartment pipeline is to install a storage tank in which the liquid will be accumulated and then, when the pressure in the pipeline drops, it will be returned to the system. Of course, given the small areas of typical apartments, it will be quite problematic to install such a capacity inside the housing. However, many of those who are constantly faced with problems associated not only with low water pressure in the pipeline, but also with its regular absence in it, install small storage tanks (200-500 liters) in their apartments.

A multi-pump station allows you to "remove" the effect of the upper and lower floors in terms of water supply to them

You can also place a storage tank of a much larger volume on the roof of an apartment building or in its attic part. To install such a container, the volume of which can be very impressive, it is better to cooperate with the rest of the residents of the house in order to share the upcoming financial costs for everyone who wants to use the water supplied to the taps or household appliances under the required pressure.

A water pressure boosting station, equipped not only with a hydraulic accumulator and elements of an automation system, but also with a large storage tank, is another way to effectively solve the issue of low fluid pressure in the water supply systems of apartment buildings. Such a pressure boosting installation will provide all apartments in the house with water, not only in cases where the pressure of the liquid in central system water supply will need to be increased, but also when water does not enter the pipes at all.

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