Overview of the submersible pump “Kid”: unit diagram, characteristics, operating rules

Nikolay Fedorenko
Checked by a specialist: Nikolay Fedorenko
Author: Lyubamira Lysyuk
Last update: July 2019

Many owners of summer cottages and private households that are not connected to centralized water supply are familiar with the problem of supplying water to their homes and plots.

The Malysh submersible pump will help to partially solve it. Although it is not a powerful device capable of pumping water from artesian wells, it can cope with the supply of water from wells, shallow wells and open reservoirs.

It will be useful for those who are just going to equip autonomous water supply, as well as users of pumping equipment, to learn about the device, the principle of operation and the rules for operating the unit. We will describe in detail how to install “Baby” in the well and ensure its smooth operation.

Appointment of a deep vibrator

Submersible pumps of the Malysh series are produced by the Russian company Livhydromash, the history of which dates back nearly seventy years. During this time, more than three million copies of various pumping equipment came off the assembly line of the plant.

Despite the wide submersible unit selection, which the market offers today, many consumers choose products of the Livensky plant. And this is no coincidence, the pumps "Baby", thanks to good technical characteristics, ease of use and low cost, with dignity withstand the competition.

What is a submersible pump Kid
The Malysh pump is an affordable and easy-to-maintain unit that allows you to provide water to summer cottages in which there is no centralized water supply

Small in size (up to 255 mm) and weight (up to 3.4 kg), the device will cope with a number of tasks.

He will provide:

  • uninterrupted water supply from wells and wellshaving an internal diameter of 8 - 11 cm, as well as any water bodies with a water temperature not exceeding 35 degrees;
  • pumping water from open sourceslocated at a distance of more than one hundred meters from the house or summer cottage;
  • transportation of water from the storage tankand directly into the water system of the house;
  • water supply formation for abundant watering of plants on open ground or in a greenhouse, for the maintenance of the territory and other economic purposes;
  • pumping water out of basements during their flooding by flood waters;
  • filling of country pools and discharge of water;
  • pumping dirty water out silted or just drilled water intake.

It should be noted that “Baby” can work productively only if the amount of impurities of the mechanical particles does not exceed 0.01%. When pumping water from heavily silted sources, as well as from rivers with a significant sand content, it is necessary to apply a filtration system.

Basement flooding
The electric pump can be used for emergency pumping of water from flooded rooms. To avoid mechanical damage, lay a rubber sheet under it.

Overview of the pump range and their differences

There are three main models of a submersible pump, which have slight differences in technical parameters, as well as a different (upper or lower) water intake system, and therefore the scope of their application varies somewhat.

Toddler Pump Models
Modifications of submersible pumps with the Baby logo are available with lower and upper water intake options. Depending on the model, they can work in wells with an internal diameter of 80 to 110 mm

Base model: features and characteristics

The classic Kid pump is available with a lower water intake, so it:

  • most effectively delivers water from open reservoirs located over long distances,
  • copes with the drainage of flooded lower floors and basements of buildings,
  • can pump water to the lowest possible level.

At the same time, with the lower location of the nozzles performing the suction of the liquid, particles of sand may get into the unit, which can cause a breakdown of the device. Therefore, it is not recommended to use it in heavily polluted water bodies without installing special filters.

The scheme of the device submersible pump Kid
The basic design of the Kid pump is available with a lower water intake. To prevent debris from entering the tank, it is recommended to install it at a distance of not less than a meter from the bottom of the reservoir (+)

Pump with marked "K", in fact, is the same “Kid”, but with built-in additional thermal protection.

A thermal relay is installed in its case, which turns off the device during overheating. The model is convenient in that the device can be left to work unattended for a sufficiently long period of time without worrying that it will burn out.

Device with marked “P" informs that his case is made of plastic, if there is no marking, then it is made of aluminum. It is worth noting that the aluminum case, although it costs slightly more, is more durable and reliable.

There are frequent cases when the plastic case does not withstand the load and cracks appear on it. Therefore, the desire to save can lead to the opposite result, and you have to buy a new device.

Other modifications of the pump "Kid"

Other models “Baby-M” and “Baby 3” differ from the classical pump by the top water intake. At the same time, if the first is identical in technical specifications with the base model, then the second has significant differences. The parameters of all devices are listed below.

Pump Kid-M
The performance and performance indicators of the Malysh-M pump are the same as those of the base model, but it is produced with an upper intake, so it is suitable for installation in dirty water sources

Units with the upper location of the suction pipe, as a rule, are used to supply water from wells and boreholes.

They can be used in places where pumps with a lower water intake run the risk of malfunctioning: in heavily polluted bodies of water, because during operation, they do not pick up debris from the bottom and muddy deposits that clog the system.

In models with a top fence, the engine cools better, due to which the pump does not overheat.

Technical parameters of models

The pumps operate from a conventional 220 V network and can be submerged to a depth of three meters. When working in low-yield wells (with a small volume of water), a deeper lowering is possible.

The productivity of all models is 430 l / h, while "Kid" and “Baby-M” have a head of 40 m (maximum - 60 m), “Baby 3” - 20 m (maximum - 25 m). When working without pressure, productivity increases to 1500 liters.

The dimensions and power of the devices also have different indicators. So, the power of the base model and modification with the letter “M” is 240 W, length - 25.5 cm, weight - 3.4 kg.

The power of the Malysh-3 pump is only 185 W, its length does not exceed 24 cm, and its weight is 2 kg, therefore it is usually used to draw water from shallow wells and wells with an internal diameter of 8 cm or more.

Specifications Submersible Pump Kid
When buying a pump, you must first familiarize yourself with its technical characteristics and choose a model in accordance with the diameter and depth of the well (+)

Another parameter that you should know when buying a device is electrical protection class. By default, all pumps on which this indicator is not indicated have a 2 protection class.

The first class is indicated by the Roman numeral I. At the same time, devices of the 2nd class are equipped with reinforced insulation, a two-core cord is included in their package. Class 1 devices are additionally equipped with a three-wire cable with grounding.

The device and principle of operation of the pump

The device of the pump "Kid" is quite simple, it consists of a durable sealed enclosure that eliminates the ingress of liquid, inside which is located an electric drive, including a core, two coils, an electric wire, and a vibrator.

In the upper (for pumps with an upper water intake) or lower (for devices with a lower water intake) part of the housing there is a valve that closes the inlet openings and ensures free outflow or influx of water in the absence of pressure.

Top intake pump
Vibrating submersible electric pumps with an upper water intake serve longer and break less because they are less likely to become clogged by sand and clay suspended in produced water

The pump is based on the use of AC power, which, under the influence of a shock absorber, drives the armature and piston, forcing them to perform mechanical oscillatory movements, while pushing water into the discharge pipe.

Use and operation of the device

Before putting the “Baby” pump into operation, it is necessary to familiarize yourself with the rules for its safe operation. There are a number of restrictions under which it is strictly forbidden to use the device.

Rules for safe use:

  • the device must not be used with a damaged cord and with increased voltage in the network;
  • when the pump is on, it is forbidden to shut off the water supply;
  • the unit should work no more than twelve hours a day;
  • continuous operation should be no more than two hours with periodic shutdown for twenty minutes.

All restrictions are described in detail in the instructions for the device, which must be familiar with in order to avoid unforeseen consequences.

The process of preparing the pump for operation

For work, you will need a flexible rubber or similar elastomeric hose having an inner diameter of at least 18 mm. Smaller hoses are not recommended because they create unnecessary strain on the device.

It is possible to use plastic or metal pipes for water supply, but in any case they should be connected to the pump only through a hose with a minimum length of 2 m.

How to connect a kid submersible pump
Vibration submersible pumps are attached to two eyes using a nylon cord (1). The hose is connected to the outlet by an elastic collar (2)

The hose is connected to the outlet pipe of the device using a clamp. If the vibration pump is supposed to be used in winter, then to prevent freezing and ensure free outflow of liquid, it is necessary to make a small hole in the hose next to the housing 1.5 mm. In the summertime, the hole can be covered with electrical tape.

Then, a nylon cord 10 m long, which is included in the delivery package, is fixed on the eyes of the pump. To increase the length, you can use the wire by attaching it to the nylon cord.

However, you cannot attach a wire or metal cable directly to a submersible unit - this is fraught with breakage of the mounting holes.

It is necessary to calculate in advance the distance from the outlet to the water source. It depends on how long the cable will be needed to connect the vibration pump. The kid is equipped with a power cord 6-40 m long, its exact length is indicated in the instructions.

Thus, three cords should come from the pump: an electric wire, a rubber hose, and a nylon cable. They must be connected together in several places with tape with an interval of 100-200 cm. Moreover, the first connection should be no further than 20 cm from the device.

How to connect a kid submersible pump
Flexible hoses are recommended for connecting the pump to the water supply. In the absence of permissible use of polymer and steel pipes. In order to accurately mark the immersion depth of the pump in the source, you can mark it on the hose with tape or colored tape

The specifics of installing the device in the well

During operation, the pump vibrates. It is possible that it will come into contact with the walls of the casing or a narrow well, which will inevitably lead to damage to the casing and damage to the equipment.

To avoid this before install pump and immerse the unit in water, it is necessary to put on a rubber ring, which absorbs possible shocks and will serve as additional protection for the case.

The pump must be lowered into the water and set correctly; it must hang evenly without touching the walls. At the top of the well, a bar is installed, to which a suspension of durable elastic material is attached. Suspension is necessary to reduce vibration during operation.

As a material, you can use a piece of rubber hose or a medical tourniquet. The upper end of the cable connects to the suspension, creating good tension. But for an electric wire, excessive tension is absolutely not necessary, it should lie freely on the bar.

Proper pump installation
The pump is suspended in water to a depth not exceeding three meters from the highest point of its housing (+)

The new “Baby” pump is completely ready for operation, it does not need to be filled with water and lubricated before use. If the device you are using has 1 protection class, the socket must be grounded. The device can be turned on immediately after immersion in a well or body of water.

The distance from the bottom to the housing for devices with a lower water intake should be at least one meter. The submersible pump with the upper position of the suction pipe can be lowered much lower, but in any case its housing should not touch the bottom to avoid damage during operation.

Overview of the submersible pump Kid: unit diagram, characteristics, operating rules
The diagram shows the installation options for the pump in the casing and in an open source of water. In the second case, you can do without a spring suspension (+)

In the event that water is pumped from shallow reservoirs, as well as when pumping flooded basements, the pump can be lowered to the bottom. The housing must first be wrapped with a thick cloth or a rubber sheet placed under the unit.

Ensuring smooth operation

For “Baby” to work without interruptions and as long as possible, it is necessary to monitor the network voltage. When power surges, the device must be immediately turned off. Also need control the quality of the pumped water, since a frequent cause of equipment failure is the ingress of sand and debris into the mechanism.

Many people think that this problem can be solved by installing a pump with an upper intake. However, clogging of the device often occurs not only due to the ingress of bottom sediments into it, dirty water can also cause breakdowns.

To protect the submersible pump, it is advisable to install a filter that traps the smallest particles and prevents them from entering the tank. A simple filtering device can do it yourself.

The use of a filter will not only extend the life of the unit, but also ensure the flow of better quality water purified from any impurities.

How to make a filter for a submersible pump Kid
The figure shows how the filter is installed on the Kid pump with a lower water intake. For domestic devices, the EFPS-St-38-125 filter is suitable, which delays particles up to 150 microns in size

Pump Maintenance

In order for the pump to serve for a long time and in good condition, it is necessary to comply with the operating conditions recommended by the manufacturer for the operation and storage of equipment. In this case, the manufacturer guarantees its normal operation for two years. The pump does not require complex maintenance and care, and simple rules to follow will not be difficult.

After the first installation of the device in the well, you need to let it work for one to two hours, and then remove and carefully inspect the body and components for any malfunctions. If everything is normal, then the vibration pump can be put in place and used further, leaving it immersed in water for a long time.

Periodically, at least once every three months, and if possible, then every hundred hours of work, you must also inspect the unit. If at the same time traces of friction are detected on the case, it means that it was improperly installed and was in contact with the walls of the water intake during operation.

To avoid this, it is necessary to expose it evenly and put on the body an additional rubber ring.

If the inlets are clogged, they must be carefully cleaned without damaging the rubber valve. For cleaning, it is best to use a tool with a blunt tip.

If the pump is not used in winter, it must be removed from the well, rinsed and well dried. During storage, the unit should be placed away from heating appliances, and also protected from direct sunlight.

If, following the manufacturer's recommendations, a breakdown occurs for reasons beyond the control of the user, the pump should be taken to a service center. The list of popular breakdowns of the “Baby” pump and ways to eliminate them are described in this article.

Conclusions and useful video on the topic

How to choose the “Baby” submersible pump, and what points to look for when buying, you will learn from this video:

The following video tells how to improve the pump:

How to perform preventive inspection and maintenance of the device, see here:

The submersible pump “Kid” is a convenient and inexpensive household appliance, simple to use and easy to maintain. Of course, due to its small capacity, it is not able to provide full-fledged water supply to a private house, and, in fact, no one poses such tasks to it.

An inexpensive vibrator is perfect for seasonal use. He will become a real assistant in summer cottages. So, with the help of “Baby” you can organize watering plants and water supply from wells, wells or open water bodies.

Have experience installing or using the “Baby” pump? Please share information with our readers, tell us about the specifics of the unit. You can leave comments and ask questions in the form below.

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Visitors Comments
  1. Alexei

    When I needed to buy a pump for the cottage, I chose between several models. The house has a bathroom and a sink for washing dishes, so I needed a pump that would supply water to the house and deal with watering. He took the Kid with an aluminum case - he bought it for several years. The water in the well is not very clean, but the pump does not clog (if it works for more than 2 hours in a row, then turn it off so that the engine does not wear out).

  2. Sergei

    I have a well about 8 meters deep. Of course, we don’t drink such water, but it’s quite suitable for watering. I bought a well pump and I can’t get enough of it. Well pumps water from the well for the 8th season. There were no problems with its operation. Only one turnbuckle turned away from the vibration once, and no more problems.Oddly enough, it is never clogged with a fine soil suspension or any other garbage. Very reliable pump, does not cause me any headache.

  3. Elena

    Why is there nowhere in the description the number of atmospheres at the outlet? This is important for me, since the hose only works at a certain pressure ...