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Comparison AL-KO TDS 1201/4 vs AL-KO Dive 6300/4

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AL-KO TDS 1201/4
AL-KO Dive 6300/4
AL-KO TDS 1201/4AL-KO Dive 6300/4
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Main
Four stage suction system. IPX8 waterproof rating. Inlet stainless steel strainer.
Suitable forclean waterclean water
Specs
Maximum performance
6300 L/h /maximum/
6300 L/h /maximum/
Maximum head
44 m /maximum/
40 m /maximum/
Pump typecentrifugalcentrifugal
Minimum liquid level170 mm
Maximum immersion depth10 m7 m
Maximum particle size0.5 mm0.5 mm
Maximum liquid temperature35 °С35 °С
Dry run protection
Float switch
Suction system
multistage /4 steps/
multistage /4 steps/
Outlet size1"1", 3/4"
Engine
Maximum power1200 W1000 W
Power sourceelectricelectric
Mains voltage230 V230 V
Power cord length10 m10 m
General specs
Protection class (IP)X8X8
Country of originGermanyGermany
Pump housing materialplasticplastic
Impeller / auger materialplasticplastic
Dimensions150x152x380 mm179x416x179 mm
Weight9.3 kg10 kg
Added to E-Catalogoctober 2014september 2014

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.

Minimum liquid level

The smallest depth of pumped liquid (from the bottom to the surface) at which the pump can operate normally. This parameter is indicated for submersible drainage models, for other types it is not relevant for various reasons.

Maximum immersion depth

The maximum depth at which a submersible pump can be placed without the risk of failure or breakdown. It is usually indicated for fresh water, so in fact it is advisable not to lower the pump to the maximum depth level — after all, the density of the pumped liquid may be greater, which will create off-design loads on the structure.

Dry run protection

A system that protects the unit from running without water.

The dry running mode is abnormal for any pump: at best, the mechanism of the unit in this mode experiences increased loads, and at worst, the device may fail and even a serious accident. This feature allows you to prevent such consequences. The specific method of protection against dry running may be different; one of the most popular options is a float switch (see below). However, in addition, flow sensors, pressure or level switches can be used. These details depend both on the general type of pump and on the specific model; they should be specified separately in each case.

Outlet size

The thread size for connecting a hose or pipe to the pump outlet. If there is a branch pipe with an external thread in the design, the size is indicated for it; if not, for the internal thread of the inlet.

Anyway, the dimensions of the pump outlet and the mounts on the hose/pipeline connected to it must match — otherwise, you will have to look for adapters. This size is specified in inches and fractions of an inch.

This parameter is relevant primarily for surface models.

Maximum power

Rated power of the pump motor. The more powerful the engine, the higher the performance of the unit, usually, the greater the pressure, suction height, etc. Of course, these parameters largely depend on other features (primarily the pump type, see above); but models similar in design can be compared in terms of power.

Note that high power, usually, increases the size, weight and cost of the pump, and also implies high costs of electricity or fuel (see "Power source"). Therefore, it is worth choosing a pump according to this parameter taking into account the specific situation; more detailed recommendations can be found in special sources.
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