slopes 

Pumps pumping station Grundfos. All about the pumping stations of the German company Grundfos: characteristics, prices, reviews. More about models and their characteristics

According to specialists from the Ministry of Natural Resources, the introduction of the best available technologies (BAT) into the production of industrial enterprises is a priority development program designed to protect the environment. Visit of experts to Arkhangelsk pulp and paper mill, celebrating its 75th anniversary this month, has shown that this enterprise is a model example of the use of BAT in its activities.

What is NDT?

The concept of BAT or best available techniques in means the application of the latest, advanced achievements of science and technology in the work of an industrial enterprise, negative impact which on nature is minimized, and the terms of their operation and the level of safety for humans comply with existing standards. In other words, technologies that are economically accessible and beneficial for widespread use, characterized by a minimal harmful impact on the environment.

BAT is a term that came to Russia from the West. It was in the European Union for the first time in 1984 that the BAT principle was developed and implemented, which, at that time, related to the protection of atmospheric air from harmful industrial emissions.

Among Russian environmentalists, this principle has spread quite recently - in 2014, on December 30, the first national BAT standards were approved, prepared by a specially created Bureau of the best available technologies.
To date, there are the following provisions and preliminary national BAT standards adopted in Russia:

The standards came into force from January 2015 and are considered valid after 3 years.

Use of the best available technologies

The program for the transition to the widespread use of BAT provides for a whole system of motivation for industrial entrepreneurs - part of it is the reduction of annual environmental payments in exchange for increasing the competitiveness of the facility and strengthening environmental safety. Nevertheless, to date, this program still needs to be debugged, experts admit. Examples of best available technologies are contained in handbooks and are mainly related to the field of waste management: these are waste loading stations, dryers, incinerators, hydroprocessing devices, etc. - but not yet all industrial enterprises can afford such a transition.

Ecologists consider the Arkhangelsk Pulp and Paper Mill to be the best example of BAT implementation. modern technologies. Modernization of production is beneficial for the plant both in terms of savings and in terms of increasing the stability and safety of production.

Reducing the cost of processing raw materials for an industrial facility and reducing the harmful impact on the environment are only part of the benefits of introducing BAT, experts from the Ministry of Natural Resources note, who express the hope that the pulp and paper mill in Arkhangelsk will become one of the first successful “swallows” of the new program.


The history of the Grundfos brand begins with the post-war devastation, when a small repair shop arose in Denmark, which grew into a powerful electrical giant with subsidiaries around the world. Today, in every corner of the planet there is at least one of its divisions that produces equipment according to the climatic principle.

Grundfos equipment is widely used in various areas of the national economy - construction, agriculture, public utilities.

Structure consumer demand for the previous year speaks for itself - about half of the demanded goods come from this manufacturer.

Features and classification of Grundfos pumping stations

Among the pressure equipment, a significant part of the models belongs to the group of automatic stations, which have a place in every home.

Their advantages are:

  • practicality;
  • economical consumption of electricity;
  • excellent technical characteristics;
  • compactness;
  • a wide range of options for various situations;
  • easy installation;
  • acceptable price.

Depending on the intended use, they can be divided into several groups:

  • household models - convenient and safe models for a private home;
  • in submersible or surface versions;
  • step-up equipment - mounted in utility networks and in production;
  • fire extinguishers are powerful systems that create a large pressure of water.

The device of pumping stations "Grundfos"

Pumping stations of this manufacturer have a structure typical for most other automated systems:

  • electric motor;
  • receiver;
  • centrifugal impeller in the inner cavity of the housing;
  • 2 check valves;
  • flow sensor;
  • electronic control board.

Household modifications of automatic stations "Grundfos"

Suitable for cottages or private homes that require regular water supply.
Available in several series:

Let's take a closer look at each of them.

Pumping stations "JP"-series

Created on the basis of high-performance centrifugal units. They are equipped with a removable hydraulic accumulator and an ejector, which allows them to be used not only for surface shallow tanks, but also for a well or well, reaching 25 m in depth.

Productive and compact model, which is considered the best value for money. Its package contains everything you need to start the installation of the device and a long service life.

Features "Grundfos" JP Basic 3PT:

  • multitasking - use not only to increase the pressure in the water supply, but also for drainage, irrigation, distillation of liquid from ground and underground sources;
  • volume receiver;
  • easy installation, which can be done by hand without connecting specialists;
  • material design of the structure, which provides anti-corrosion properties and protection against premature wear: aluminum case with chromium-nickel coating;
  • lack of annoying noise - the device can be installed in residential premises;
  • nice gray design products;
  • light weight - transportability and ease of movement.


Specifications:

  • Electric motor - 0.85 kW;
  • Head - 47 m;
  • Suction height - 8 m;
  • Receiver - 20 l;
  • Weight - 18.5 kg.

Automatic pressure unit, created on the basis of a self-priming pump and a membrane accumulator. It is equipped, in addition to the above elements, with an asynchronous electric motor, a pressure control switch, a pressure gauge and an electric cable. It has a built-in ejector, which allows you to work in suction mode.

It has a similar principle of operation to the previous model. The number of starts per unit of time will depend on water consumption - if there is none, the pump operates offline.

Advantages of Grundfos Hydrojet JP-6:

  • reliable automation, which almost never fails;
  • motor thermal protection - you can operate the equipment at full capacity;
  • a membrane receiver, which increases the intervals between subsequent inclusions, allows the engine not to work with a slight violation of pressure;
  • aluminum body, top and inner part which is coated with an anti-corrosion coating for durable and successful operation;
  • emphasis on chromium-nickel steel in the performance of other parts and work units;
  • practicality and functionality - a variety of applications, no need for special maintenance and frequent repairs;
  • unsuitable for contaminated sewage with abrasives and fibers - only clean drinking or process water without impurities;
  • t 0 C of the pumped liquid - up to +50 0 C;
  • modern design.

Specifications:

  • Electric motor - 1.4 kW;
  • Throughput - 4.5 m 2 / h;
  • Head - 48 m;
  • Suction height - 8 m;
  • Receiver - 60 l;
  • Weight - 36 kg.

Less productive unit than the above model. It is characterized by the presence of a removable receiver, which saves the number of motor starts and reduces energy consumption.

It is a household booster and is used for water intake from wells and wells.

Advantages of Grundfos Hydrojet JP-5:

  • quality materials and coatings;
  • the accumulator membrane is made of food-grade rubber - tightness, quick dismantling and replacement, work with drinking water, whose properties it does not affect;
  • fast and effective absorption from depth;
  • reliable anti-corrosion properties of the body, for which a special chromium-nickel alloy is used, and an additional protective coating;
  • the possibility of installation in warm rooms, where t 0C air reaches 40;
  • adaptation to warm water– up to +55 0 С.

Specifications:

  • Power - 0.775 kW;
  • Head - 40 m;
  • Suction depth - 8 m;
  • Receiver - 24 (60) l;
  • Weight - 17.1 kg.

Pumps "MQ"-series

Productive devices, the delivery set of which includes sealed membrane receivers and other standard devices that make the pumping station an autonomous self-regulating mechanism.

Grundfos pumping station MQ 3-35

The unit is easy to get started with: easy to install, requires minimal knowledge and user intervention, which can monitor its operation through an electronic display with a visualization function. Provides low power consumption, does not create loud noise, so it can be installed next to rooms where adults and children sleep.

Advantages:

  • reliable automation, the risk of failure of which is minimal;
  • visual electric control panel for operating modes;
  • multi-stage pressure adjustment in the control relay;
  • equipment with a check valve that does not allow liquid to exit the device;
  • hermetic capacious hydraulic tank, which reduces the frequency of switching on the motor, extends its service life and reduces the overall power consumption of the station;
  • complete set with 2-meter electric cable;
  • compactness - the device can be installed on a small support, mounted under a sink or sink;
  • the motor is not afraid of overheating - periodically (every half an hour) it is cooled due to the water flow;
  • low noise;
  • compliance of technical parameters and material equipment with all international sanitary and hygienic safety standards;
  • availability of original spare parts, which extend the already high production life of parts.


Specifications:

  • Electric motor - 0.85 kW;
  • Throughput - 3.5 m 2 / h;
  • Head - 34 m;
  • Suction height - 8 m;
  • Receiver - 60 l;
  • Weight - 13 kg.

Leading world experts unanimously declare that no analogues of this model have been created in the entire history of automated pressure devices. It performs a huge range of user tasks - from watering a house or utility room to irrigating crops, providing water to farms and filling large containers. It rationally uses energy resources and turns on only when the pressure drops after the intake a large number water. Turning on the crane for a few seconds does not initiate the engine start, and thus saves costs.

Peculiarities:

  • pumping clean and lightly polluted water, including rainwater without pollutants;
  • orientation only to warm water - up to +35 0 C;
  • hydraulic part in steel version;
  • protection against dry running in case of accidents in the system;
  • motor thermal protection - a reason not to worry about intensive work;
  • equipment with a backstop valve;
  • high class of electrical protection and isolation of electronics.

Specifications:

  • Electric motor - 1 kW;
  • Throughput - 3.6 m 2 / h;
  • Head - 45 m;
  • Suction height - 8 m;
  • Receiver - 0.4 l;
  • Weight - 17 kg.

Complete pumping station "Grundfos" Scala2

One of the latest developments of the company, which, according to experts, met the expectations of consumers. Will become good option for a private house. Generates high head that will remain stable while working washing machine, washbasin and shower. You can see her device below.

Advantages:

  • stable pressure characteristics that do not depend on the number of water intake points (maximum - 8);
  • dry running protection;
  • emit little noise at a level of 47 dB;
  • suction of water from the 8th depth;
  • the possibility of installation on the street, if t 0 C air does not fall below 0;
  • easy control.

Technical parameters "Rock 2":

  • Power - 2 kW;
  • Feed - 3.6 m 2 / h;
  • Head - 45 m;
  • Suction - 8 m;
  • Receiver - 0.65 l;
  • Weight - 10 kg.

What should I do if the Grundfos pumping station turns on frequently?

Among several options for malfunctions, this is one of the most common.

It may arise due to:

  • depressurization of the receiver membrane - due to the ingress of foreign debris or wear;
  • absence compressed air in the accumulator and insufficient pressure in the latter;
  • damage check valve, which ceased to fulfill its holding function.

All these breakdowns require immediate repair. Their correction can
do it yourself, but it is better to entrust this matter to specialists.