Submersible pumps are designed for pumping water, with their help you can organize water supply to a summer house, a personal plot, use them for an irrigation system. The devices allow you to raise water of a sufficiently large depth. In this case, a strong vacuum is created in the working hose, which imposes certain requirements on the quality of the materials used. In addition, some pumps are designed to work not only with clean, but also with contaminated water. Some models are used to work with drains that form an aggressive environment. Consider how to choose a submersible pump, how they differ from each other, what technical characteristics and selection criteria, first of all, you should pay attention to.
Content:
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Ranking table
| Place in the ranking / Name | Expert evaluation | Price range, rub. |
|---|---|---|
Rating of the best drainage pumps | ||
ZUBR NPG-M1-550 | 90 out of 100 | From 2284 to 3102* |
KARCHER SP 1 Dirt | 92 out of 100 | From 3 359 to 4 839* |
Makita PF0403 | 96 out of 100 | From 4,490 to 6,999* |
Rating of the best well pumps | ||
Hammer NAP 330 (10) | 94 out of 100 | From 2790 to 2799* |
JILEX Water jet PROF 55/35 A | 96 out of 100 | From 7 676 to 11 325* |
Grundfos SBA 3-45A | 99 out of 100 | From 22,710 to 44,110* |
Rating of the best borehole pumps | ||
BELAMOS 3SP 60/1.8 | 92 out of 100 | From 4,635 to 6,777* |
JILEX Water cannon PROF 55/50 | 93 out of 100 | From 8,200 to 17,059* |
Aquarius BTsPE 0.5-63U | 96 out of 100 | From 12 689 to 17 947* |
Rating of the best fecal pumps | ||
JILEX Fekalnik 260/10 N | 93 out of 100 | From 5 659 to 7 870* |
ZUBR NPF-750 | 95 out of 100 | From 8 790 to 10 151* |
BELAMOS DWP 1100 CS | 98 out of 100 | From 10 329 to 13 473* |
* Prices are valid for August 2020
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Submersible pumps are of several types:
- drainage;
- wells;
- Downhole;
- Fecal.
Types of equipment differ from each other in characteristics and applications.
A garden drainage pump is usually used to organize irrigation or water supply from a storage tank or reservoir. Such models have a vertical design, are designed to dive to a shallow depth, create a small pressure. The main advantage of pumping equipment of this type is high productivity and the ability to work not only with clean, but also with contaminated water.
Well pumps are designed to work with wells or reservoirs. They are characterized by high water pressure. However, the performance of such water pumps, as a rule, is not so great. Usually they are used in private houses or cottages when organizing garden irrigation.
Borehole pumps are designed to work with artesian wells. They allow you to lift water from great depths. Due to the high pressure, such devices are made of durable materials, such as stainless steel. However, only a pump for organizing water supply is not enough. Many manufacturers offer ready-made kits - pumping stations with a hydraulic accumulator.
Fecal pumps are similar in design to drainage pumps. However, such equipment has a certain scope of activity - it is designed to drain sewage. These pumps are designed to work in aggressive environments. Their main ability and scope is the cleaning of cesspools and septic tanks.
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The mechanism of operation of submersible pumps
According to the type of mechanism of operation, pumps can be divided into the following types?
- Vibrating - the simplest design. The body contains an electromagnet and a stem with a valve. The latter moves under electromagnetic force, only such devices are reliable and inexpensive. However, they have a significant disadvantage - their performance is also low. Such pumps are rarely designed for immersion of more than 5 m, moreover, during the operation of this equipment, vibration is created that raises turbidity from the walls and bottom of the tank.
- Vortex - in the design of these pumps there is an electric motor that rotates the impeller. Water is supplied tangentially to it. When the wheel rotates, it takes water from the inlet pipe and throws it out into the outlet. The disadvantage of this design can be called its purpose only for working with clean water. Even a small admixture of sand in the liquid will lead to rapid wear of the equipment. The advantage of such models is high pressure, throughput and low power consumption.
- Centrifugal in this case, when water enters the impeller, it is accelerated by the blades, after which it is thrown out under the influence of centrifugal force. Such models are characterized by increased efficiency, they are less demanding on water quality. Most drainage pumps and many wells are of this type.
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Before you buy the selected pump model, pay attention to the following technical specifications:
- performance indicator;
- Water lift;
- Maximum immersion depth;
- Dry running protection;
- Maximum impurity particle diameter;
- Type of water intake.
Performance indicates how much water the pump is capable of pumping over a certain period of time. This characteristic is determined by many other parameters: the type of equipment, the depth of the intake, the length of the system, the well flow rate. When calculating this indicator, it can be assumed that a fully open faucet consumes 10 liters per minute.
The water rise indicator or pressure level indicates the pressure created by the equipment. This characteristic is especially important when choosing borehole pumps, as well as when organizing a water supply system.
The maximum immersion depth indicates the maximum level of pressure. When buying a well or borehole pump, you should focus on the limiting level of groundwater. Please note that some models must be installed at a certain distance from the bottom.
To operate the pump in automatic mode, it must be equipped with a dry running sensor. Often it is implemented in the form of a float switch that reacts to the water level.
The maximum slurry particle diameter indicates the water quality for which the pump is designed. If the size of solid elements exceeds the specified parameter, this will lead to accelerated wear of the equipment, its failure. In the assortment of many manufacturers are models with a filter.
Water intake can be carried out from below or from above. The advantage of pumps from the upper fences is that it can be placed on the bottom of a well or reservoir, thus reducing the load on the body and cable. In addition, in this case, the risk of silt or sand getting inside the structure is much lower. A pump with a lower intake allows you to pump out almost all the water, this is especially important when draining tanks or when working with wells with a small deficit.
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Rating of the best submersible pumps
The rating includes submersible pumps from proven domestic and foreign brands. Models were selected based on their technical characteristics, taking into account the price and customer reviews.
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The list includes drainage pumps from well-known manufacturers. They are designed for pumping surface and ground water. Often, the immersion depth and pressure level of such equipment is low, but they are not demanding on water quality, they are highly efficient.
ZUBR NPG-M1-550
Specifications:
- Price - 2,284 - 3,102 rubles;
- User rating - 4.5;
- Lifting height - 6.5 m;
- Immersion depth - 7 m;
- Productivity - 160 l / min;
- Power - 550 W;
- The maximum particle diameter is 35 mm;
- Cable length - 7 m.
The device is equipped with an automatic on/off system. But its design is designed for pumping clean or contaminated water in garden plots. The pump can be used for draining tanks, reservoirs or organizing water intake. The body of the device is made of plastic, reinforced with fiberglass. The design includes a thermal fuse to protect the motor from overheating. The housing is equipped with a universal connecting fitting with a diameter of 1” to 1 1/4”. The temperature of the pumped liquid should not exceed 35 degrees. The weight of the goods is 3.6 kg.
KARCHER SP 1 Dirt
Specifications:
- Price - 3,359 - 4,839 rubles;
- User rating - 4.7;
- Lifting height - 4.5 m;
- Immersion depth - 7 m;
- Productivity - 91.6 l / min;
- Power - 250 W;
- The maximum particle diameter is 20 mm;
- Cable length - 10m.
The design includes a thermal switch for automatic operation and protection against dry running. The presence of a switching level allows the pump to operate at a water level of up to 25 mm. The design includes a ceramic contact sealing ring equipped with an oil chamber. It significantly extends the life of the device. The Quick Connect system makes it easy to connect the pump to a 1 1/4” hose.
Makita PF0403
Specifications:
- Price - 4,490 - 6,999 rubles.
- User rating - 4.5;
- Lifting height - 6.5 m;
- Immersion depth - 5 m;
- Productivity - 120 l / min;
- Power - 400 W;
- The maximum particle diameter is 5 mm;
- Cable length - 10m.
It is designed for pumping water from a well with a depth of no more than 5 m. The presence of a float switch protects against dry running. The device is designed to work with clean or slightly polluted water with a particle size of not more than 5 mm. The body is made of high quality metal. For easy carrying, the model is equipped with a handle.
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The TOP 3 includes well pumps from well-known brands. Such devices are designed to supply water from wells of different depths.
Hammer NAP 330 (10)
Specifications:
- Price - 2,790 - 2,799 rubles;
- User rating - 4.4;
- Lifting height - 82 m;
- Immersion depth - 3 m;
- Productivity - 25 l / min;
- Power - 350 W;
- The maximum particle diameter is 1 mm;
- Cable length - 10 m.
The device is designed for installation in wells with a diameter of more than 100 mm, as well as for pumping water. Suitable for the needs of organizing irrigation from several points and water supply systems with drinking water. The liquid is taken from below, which allows, if necessary, to pump the entire depth. The cable is 10 m long and has a flexible PVC sheath. The case of the device is made of the polished aluminum made of stainless steel. To improve electrical safety, the device has a double winding of current-carrying parts, which ensures their tightness.
JILEX Water jet PROF 55/35 A
Specifications:
- Price - 7,676 - 11,325 rubles;
- User rating - 4.0;
- Lifting height - 35 m;
- Immersion depth - 30 m;
- Productivity - 55 l / min;
- Power - 460 W;
- Cable length - 10 m.
The device is irreplaceable for the organization of water supply and irrigation. The pump, thanks to the float switch, works in the absence of water, automatically turns on and off. The thermal relay protects the motor from overheating. The pumped water helps to cool the motor. The case is made of stainless steel, which protects it from damage.
Grundfos SBA 3-45A
Specifications:
- Price - 22,710 - 44,110 rubles;
- User rating - 4.6;
- Lifting height - 45 m;
- Immersion depth - 10 m;
- Productivity - 50 l / min;
- Power - 1050 W;
- Cable length - 15 m.
The device has a built-in control unit that automates the operation of the pump. The design includes a pressure switch and a check valve. The model is designed to work with wells or rain tanks with a diameter of one and a half and a depth of up to 10 m. The model is equipped with a float switch to prevent dry operation, as well as a thermal overload protection system. The noise level is up to 50 decibels. The pump is made of composite materials resistant to corrosion.
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The TOP 3 includes devices designed for continuous water supply from the well. Such pumps are characterized by high performance, high pressure.
BELAMOS 3SP 60/1.8
Specifications:
- Price - 4,635 - 6,777 rubles;
- User rating - 4.5;
- Lifting height - 60 m;
- Immersion depth - 15 m;
- Productivity - 30 l / min;
- Power - 600 W;
- Cable length - 15 m.
The pump body is made of stainless steel.The model's electric motor is immersed in an oil bath for improved cooling efficiency and water protection. To protect against overheating, the motor is equipped with a thermal protection system. The model is designed to last. It is suitable for working with wells with a diameter of more than 80 mm.
JILEX Water cannon PROF 55/50
Specifications:
- Price - 8,200 - 17,059 rubles;
- User rating - 4.3;
- Lifting height - 50 m;
- Immersion depth - 30 m;
- Productivity - 55 l / min;
- Power - 600 W;
- Cable length - 20 m.
It is suitable for working with wells or wells with a diameter of more than 110 mm. The main difference of its design is the presence of a double mechanical seal. It reliably isolates the electric motor and protects it from excessive pressure. The motor is equipped with a thermal protection system, which significantly increases its service life.
Aquarius BTsPE 0.5-63U
Specifications:
- Price - 12,689 -17,947 rubles;
- User rating - 4.1;
- Lifting height - 85 m;
- Productivity - 60 l / min;
- Power - 1 200 watts.
The device is suitable for the organization of water supply and irrigation. The body is made of high-quality stainless steel, the model is powered by a single-phase motor and a multi-stage suction system. In the upper part of the apparatus there is a cover with an internal connecting pipe thread G1. Two eyelets are provided for attaching the cable.
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The TOP 3 includes fecal submersible pumps from trusted manufacturers. The devices have a narrow scope - they are designed for pumping wastewater and sewage.
JILEX Fekalnik 260/10 N
Specifications:
- Price - 5,659 - 7,870 rubles;
- User rating - 4.5;
- Lifting heights - 10 m;
- Immersion depth - 8 m;
- Productivity - 260 l / min;
- Power - 800 W;
- The maximum particle diameter is 35 mm;
- Cable length - 10 m.
The diameter of inclusions can reach 35 mm. If the water level is too low, the equipment switches off automatically, which protects it from “dry running”. The body is made of stainless steel. Overheating protection is also provided. The motor has self-lubricating bearings.
ZUBR NPF-750
Specifications:
- Price - 8,790 - 10,151 rubles;
- User rating - 4.5;
- Lifting heights - 14 m;
- Immersion depth - 5 m;
- Productivity - 310 l / min;
- Power - 750 W;
- The maximum particle diameter is 25 mm;
- Cable length - 5 m.
The device is capable to work with liquids with inclusions no more than 25 mm. It works on the basis of an electric motor with protection against overheating. The body is made of cast iron and stainless steel, which allows it to be used even in aggressive environments.The float has a built-in switch that provides automatic shutdown in case of insufficient water level. The presence of the valve prevents the formation of air pockets, the device does not require constant maintenance.
BELAMOS DWP 1100 CS
Specifications:
- Price - 10,329 - 13,473 rubles;
- User rating - 4.8;
- Lifting height - 7 m;
- Immersion depth - 5 m;
- Productivity - 233 l / min;
- Power - 1100 W;
- The maximum particle diameter is 12 mm;
- Cable length - 10 m.
The size of foreign inclusions can reach 12 mm. The body of the device is made of cast iron, which allows it to be used for work in aggressive conditions. Drainage pumps of this series are equipped with a built-in knife, which allows crushing large fractions. Powerful 1100W motor ensures high performance. Thermal protection is provided to ensure a long service life. The float switch automatically turns off the device when the required level drops. The impeller of the device is also made of cast iron and is resistant to corrosion.
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When buying a submersible pump, you should first of all take into account the scope of its application. For pumping water from reservoirs or flooded premises, choose drainage devices, for cleaning a septic tank - fecal. A well or borehole pump will allow you to organize work with a well or artesian. The model should be selected based on the indicator of power, performance, pressure and depth of immersion.
Also pay attention to the brand of equipment. Budget and mid-range models include domestic brands ZUBR, Belamos, Dzhileks, Aquarius. Among the expensive models, pumps from the manufacturer Grundfos are most in demand.
