Grundfos pumps are rightfully the best in the world. They are used for different objects, in particular for country houses, villas and commercial buildings. With their help, water supply, heating and sewage are arranged, drainage fluids and fecal matter are pumped out, and gardens and gardens are watered. Ate in the plans for the acquisition of a good unit, then the choice in favor of the pump Grundfos - a win-win. We offer for consideration the best models with different designs, characteristics and purposes.
Content:
Grundfos pumps for heating and hot water
Grundfos UPS 25-60 (N) 180 is a popular surface circulation pump.
The pump Grundfos UPS 25-60 (N) 180 is a circulation unit with a body of cast iron (for heating) or stainless steel (for hot water supply). Equipped with a single-phase asynchronous motor, 3-speed switch and a sleeve that separates the rotor from the stator.
Installed vertically / horizontally. Pumps liquid over a wide range of temperatures: from +2 to +110 ° С. Characteristics: capacity 4.3 m3 / h, pressure 5.6 m, power consumption 0.06 kW.
Pros:
- used in both closed and open circuits;
- resistance to wear and corrosion: body - made of cast iron (stainless steel); impeller - composite; thrust / radial bearings - graphite / ceramic;
- efficiency (60 W), low noise (up to 43 dB), compactness (18 × 13 × 13 cm) and lightness (2.6 kg);
- overheat protection: “wet” type rotor - bearings are cooled by the pumped liquid;
- ease of installation, operation and maintenance;
- durability (10 years) and affordability (4.9-6.9 thousand rubles).
Minuses:
- the model is slightly out of date;
- high cost of modification Grundfos UPS 25-60N 180: 16.3-21.0 thousand rubles.
Grundfos ALPHA2 25-40 180 - highly efficient surface circulation pump
The pump Grundfos ALPHA2 25-40 180 - the circulation unit with an electric motor with permanent magnets. Consuming 0.022 kW, pumps 2.4 m3 / h of liquid with a temperature from +2 to +110 ° С - the head creates 4.0 m.
It is completed with a cast-iron case, a motor with a “wet” rotor, an ALPHA plug. Mounted vertically / horizontally, controlled automatically. Information on operating modes, power consumption and faults is displayed on the front panel.
Pros:
- energy efficiency (22 W), small size (10 × 15 × 18 cm), lightness (2.1 kg) and low noise (up to 43 dB);
- corrosion resistance: manufacturing materials - stainless;
- availability of functions AUTOADAPT and "night / summer mode": allow you to automatically adjust the operating parameters;
- low heat loss: the housing of the unit is insulated with a special casing;
- Possibilities of 3 fixed modes: frequency of turns, maintenance and correction of pressure drops;
- long-term guarantee (5 years) and an adequate price (8.7-11.2 thousand rubles).
Minuses:
- rare electronics failures are possible;
- lack of protection against dry running (in older versions).
Grundfos pumps for pressure boosting in the cold-water system
Grundfos UPA 15-90 (N) - surface pump for increasing pressure
Pump Grundfos UPA 15-90 (N) - booster unit monoblock type: between the rotor and the stator is a sleeve; no shaft seal. It is completed with a body of cast iron (stainless steel), a single-phase motor and a terminal box.
It works after opening the valve and actuation of the flow switch with a minimum inlet pressure of 0.2 bar. Managed manually or automatically. Characteristics: head 8.0 m, flow 1.5 m3 / h, water temperature from +2 to +60 ° С.
Pros:
- efficiency (118 W), noiselessness (up to 35 dB), lightness (2.7 kg) and compactness (L = 16 cm);
- ability to choose between manual and automatic modes;
- corrosion resistance and reliability: manufacturing materials - cast iron, stainless steel, aluminum oxide, composite and graphite;
- protection from idle (with automatic mode) and protection from overheating (pumped water);
- ease of installation, ease of use, simplicity of maintenance;
- long service life (10 years) and an acceptable price (5.0-6.6 thousand rubles).
Minuses:
- only one speed;
- Grundfos UPA 15-90N version is relatively expensive: the price is 11.0-12.6 thousand rubles.
Grundfos MQ 3-45 - surface self-priming NA to increase pressure
The Grundfos MQ 3-45 pumping station is an automatic HC with a suction depth of 8 m and a lifting height of 46 m. By consuming 1.0 kW of electricity, it supplies 4.1 m3 / h of water with a temperature of up to +35 ° C. Equipped with an electric motor, an ejector, a check valve and a hydroaccumulator.
Operates using a flow sensor and a pressure switch with minimum readings: Q = 1.2 l / s, P = 2 bar. Current information is displayed on the panel with fault indicators and 1 button.
Pros:
- low noise (55 dB), compactness (22 × 57 × 32 cm), lightness (13.0 kg);
- resistance to wear and corrosion: the body and the working elements are made of nickel-chrome steel;
- increased service life: thanks to the hydroaccumulator on / off cycles. repeat with less frequency;
- there is no reverse flow of water: the station is equipped with a check valve;
- protection against dry running, overheating, overload and jamming;
- the price corresponding to quality (19.2 ÷ 24.2 thousand rubles) and 10-year service life.
Minuses:
- integrated hydroaccumulator - small-sized;
- expensive repair: usually necessary when illiterate installation and operation.
Grundfos pumps for water supply from wells and boreholes
Grundfos SBA 3-45 A - submersible pump for water supply from a well
The Grundfos SBA 3-45 A pump is a well assembly with a built-in perforated filter and float-type switch. The body is made of composite, the inlet mesh is made of stainless steel.
It works automatically using the flow and pressure switch. The check valve is built in a design. It is capable of diving at 10 m, producing a head of 45.0 m. Characteristics: water temperature up to +40 ° С, performance 3.0 m3 / h, power consumption 1.05 kW.
Pros:
- automatic operation: using a float, pressure switch and flow sensor;
- corrosion resistance and reliability: components made of composite materials and stainless steel are used;
- protection against air transfer and thermal overload with subsequent automatic restart;
- quiet operation: the noise level is not more than 50 dB;
- simple carrying, installation, operation and maintenance: the weight of the device is 9.7 kg, the cord length is 15 m;
- durability: is 10 years.
Minuses:
- filter clogged with a diameter of inclusions more than 1 mm;
- relatively expensive: 18.6-23.0 thousand rubles.
Grundfos SQ 2-35 - submersible pump for water supply from a well
The Grundfos SQ 2-35 pump is a three-inch downhole unit capable of generating a pressure of 45.0 meters by consuming 1.02 kW of electric power. It can dive to a depth of 150 meters to produce 3.0 m3 / h of pure water with t ≤ +35 ° C.
Made of stainless steel and composite, equipped with floating impellers and a motor with permanent magnets. Installed vertically / horizontally, works automatically. The protection system is complex.
Pros:
- high technical and operational characteristics (indicated in the description);
- possibility of installation in any position: due to compactness (Ø74 mm), lightness (4.7 kg) and the presence of an integrated check valve;
- resistance to corrosion and wear: the unit is made of stainless steel and composite, including glass fiber reinforced polyamide;
- protection against power surges, overheating, overload, dry running, surfacing of impellers;
- the presence of a smooth start, floating impellers, an electric motor with permanent magnets;
- high efficiency and long service life.
Minuses:
- splined shaft with intensive work can wear out before the due date;
- expensive: price - 34.0-36.2 thousand rubles.
Grundfos sewage pumps
Grundfos Unilift KP 150-A1 - submersible drainage pump
The pump Grundfos Unilift KP 150-A1 - the drainage unit with the case and working parts from stainless steel. It is equipped with a strainer, a check valve, a handle, a float switch and a 10-meter cable.
It can be installed both stationary and mobile. Pumps conditionally clean and slightly polluted liquid with t ≤ +50 ° C. Characteristics: consumption of 9.0 m3 / h, pressure of 5.25 m, immersion depth of 10 m, power consumption 0.3 kW.
Pros:
- automatic operation: using a float;
- usability: small size (15 × 22 cm), light weight (6.3 kg), low noise level (up to 65 dB), significant diameter of inclusions (10 mm);
- protection against idling, overheating and overload;
- corrosion resistance: the device is made of stainless steel;
- no need for maintenance;
- reliability and durability (10 years).
Minuses:
- flimsy filter mount with clamp: may fall off on impact;
- relatively high price: 13.2-15.4 thousand rubles.
Grundfos SEG.40.09.2.1.502 - submersible fecal pump
The pump Grundfos SEG.40.09.2.1.502 - the fecal unit with the cutting mechanism. At a power of 0.9 kW, it pumps out 15.0 m3 / h of liquid with a temperature of up to +40 ° C. Able to sink 10 m, raise runoff by 14.5 m.
In the design: cast-iron housing and engine connected by a yoke; adjustable impeller; horizontal flange release; stator thermal sensors. Automatically works at a liquid depth of 0.25 m. Grinds particles of Ø 10 mm.
Pros:
- tremendous performance: 15.0 m3 / h;
- corrosion resistance and reliability: durable stainless steel and cast iron are used;
- high efficiency: available a grinder, the driving wheel with adjustment, cartridge sealant of a shaft;
- automatic operation: a level switch is built into the design;
- overheat protection: thermal sensors are used;
- simple and easy procedures: settings, disassembly, assembly.
Minuses:
- large mass: 38.0 kg;
- very expensive: 66.4-72.5 thousand rubles.
Grundfos Sololift 2 C-3 - surface sewer installation
The Grundfos Solofit2 C-3 pump is a sewage system designed to connect 7 water points. Complete with a plastic case, a “dry” engine, a level switch, non-return valves and vent valves.
It works automatically depending on the depth of the liquid: at 65 mm it turns on, at 35 mm it turns off. Characteristics: consumption 12.4 m3 / h, pressure 8.5 m, power consumption 0.64 kW, temperature of effluent up to +90 ° С.
Pros:
- automatic control using level switches;
- the presence of the cutting element and the engine in the "dry" version;
- ease of installation: small size (width 16 cm) and lightness (6.6 kg); supplied assembled;
- high temperature of the pumped liquid: up to + 60 ... + 90 ° С;
- no odors: carbon filter ventilation;
- price corresponding to the quality and performance: 19.9-24.4 thousand rubles.
Minuses:
- over time, the float clogs (sticks) - requires periodic cleaning;
- not for toilet;
- noisy.
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