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Comparison Aquatica 773434 vs Aquatica 773424

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Aquatica 773434
Aquatica 773424
Aquatica 773434Aquatica 773424
from $168.80 up to $168.84
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from $159.88 up to $168.84
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Suitable forwaste waterwaste water
Specs
Maximum performance
18000 L/h /maximum/
21000 L/h /maximum/
Maximum head
20 m /maximum/
23 m /maximum/
Pump typecentrifugalcentrifugal
Maximum immersion depth5 m5 m
Maximum particle size35 mm35 mm
Mechanical impurities1500 g/m³
Maximum liquid temperature40 °С40 °С
pH value4 – 106.5 – 8.5
Dry run protection
Grinder
Float switch
Suction systemsingle-stagesingle-stage
Outlet size2"2"
Engine
Maximum power1500 W1500 W
Power sourceelectricelectric
Mains voltage230 V230 V
Engine typeasynchronousasynchronous
Power cord length7 m10 m
General specs
Protection class (IP)6868
Country of originUkraineUkraine
Pump housing material
stainless steel /cast iron/
stainless steel /+ cast iron/
Impeller / auger materialcast ironcast iron
Dimensions255x202x478 mm250x115x470 mm
Added to E-Catalogjune 2016november 2014

Maximum performance

The maximum volume of water that the device can pump in a certain amount of time. It is one of the key specs of any pump because characterizes the volume of water with which the device can work. At the same time, it does not always make sense to pursue maximum performance — after all, it significantly affects the dimensions and weight of the unit.

Some formulas allow you to derive optimal performance values for different situations. So, if the pump is designed to supply water to water intake points, its minimum required performance should not be lower than the highest total flow rate; if desired, a margin of 20-30% can be added to this value. And for sewer models (see "Suitable for"), everything will depend on the volume of wastewater. More detailed recommendations for choosing a pump depending on performance can be found in special sources.

Maximum head

The maximum head generated by the pump. This parameter is most often indicated in meters, by the height of the water column that the unit can create — in other words, by the height to which it can supply water. You can estimate the pressure created by the pump using a simple formula: every 10 m of head corresponds to a pressure of 1 bar.

It is worth choosing a pump according to this parameter, taking into account the height to which it should supply water, as well as adjusting for losses and the need for pressure in the water supply. To do this, it is necessary to determine the difference in height between the water level and the highest point of water intake, add another 10 to 30 m to this figure (depending on the pressure that needs to be obtained in the water supply), and multiply the result by 1.1 — this will be the minimum pressure required.

Mechanical impurities

The maximum amount of mechanical impurities in the suction water at which the pump can operate normally (of course, if the particles of these impurities do not exceed the maximum size possible for this model; see above for details). Pure water is considered to be water with an impurity content of up to 20 g per cubic meter, but in sewage, the bill can already go to tens of kilograms per cubic meter.

pH value

The pH value of the pumped liquid for which the pump is designed. This indicator describes the level of acidity of the medium, roughly speaking, how reactive it is to the “acidic” or “alkaline” side: low pH values correspond to an acidic environment, and high pH values are alkaline. Acid and alkaline have different effects on the materials used in the construction of various equipment, including pumps. Therefore, when designing parts in direct contact with the liquid, the pH level must be taken into account, and the use of the pump with unsuitable substances is not recommended — this can lead to corrosion, which affects the composition of the pumped liquid and reduces the life of the unit. However, this parameter is critical mainly for specialized models such as pumps for chemical liquids or sewage (see "Suitable for"). In ordinary water (even dirty) the pH range is not so extensive that it cannot be covered entirely.

Grinder

A device for grinding large mechanical impurities contained in the pumped liquid.

The grinder is installed at the pump inlet, in front of the main mechanism. Its task is to protect this mechanism from jamming and/or damage: the grinder crushes the impurities contained in the water into small particles, which the pump itself can handle without any problems.

This function is most relevant when working with heavily contaminated liquids; so most units with grinders are designed for dirty water or sewerage (see “Suitable for”). At the same time, a similar function can also be found in models for clean water — it increases overall reliability and provides an additional guarantee in case large particles do end up in the water.

Power cord length

The length of the cable that supplies electricity to the pump with the appropriate type of power supply (see above). The longer the cable the farther from the socket or other power source you can install the pump. This parameter is especially important for submersible models: if the cable is too short, it will simply be impossible to lower the pump to the maximum depth provided for by its design, because ordinary extension cords cannot be immersed in water.
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