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Comparison AL-KO Jet 3000 Inox Classic vs AL-KO Jet 3000 Classic

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AL-KO Jet 3000 Inox Classic
AL-KO Jet 3000 Classic
AL-KO Jet 3000 Inox ClassicAL-KO Jet 3000 Classic
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Suitable forclean waterclean water
Specs
Maximum performance3100 L/h3100 L/h
Maximum head35 m35 m
Max. pressure3.5 bar3.5 bar
Pump typecentrifugalcentrifugal
Suction typeself-primingself-priming
Suction height8 m8 m
Maximum liquid temperature35 °С35 °С
Suction systemsingle-stagesingle-stage
Outlet size1"1"
Inlet hole size1"1"
Engine
Maximum power650 W650 W
Power sourceelectricelectric
Mains voltage230 V230 V
General specs
Noise level76 dB76 dB
Protection class (IP)X4X4
Country of originGermanyGermany
Pump housing materialstainless steelplastic
Impeller / auger materialplasticplastic
Dimensions355x215x195 mm355x215x195 mm
Weight6.3 kg6.4 kg
Added to E-Catalognovember 2019september 2014

Pump housing material

The material from which the pump housing is made. It is a structural element in which the working mechanism (impeller or auger) is installed. Note that the motor casing can be made of a different material — this is not important in this case; and in water pumps with the engine (see “Power source”), we are talking about the casing of the pump itself, and not about the support frame in which it is fixed.

The following options are most popular nowadays:

— Plastic. Inexpensive material that perfectly resists moisture and is not subject to corrosion. However, the reliability of plastic as a whole is not very high; the exception is special high-strength grades, but they are extremely rare in pumps (when strength is needed, metals are usually used). So plastic housing is mainly equipped with relatively simple and affordable models that are not designed for serious loads.

— Cast iron. An extremely popular material nowadays: cast iron is strong, reliable, durable and at the same time has a relatively low cost. However, in terms of corrosion resistance, this material is inferior to stainless steel (see below). Nevertheless, subject to the rules for operating the pump, the service life of the cast-iron housing is not inferior to the service life of most of the main components of the unit. Also note that such cases are quite massive, which makes transportation difficult; however, in some cases, a large weight is an advantage: it helps to dampen vibrati...ons.

— Stainless steel. By the name, one of the key advantages of stainless steel is high resistance to corrosion — and, accordingly, reliability and durability. On the other hand, this material also costs a little more than the same cast iron. The weight of such housing is somewhat less — this, again, can be both an advantage and a disadvantage, depending on the situation.

— Aluminium. Premium material. The aluminium alloys used in today's pumps are light, strong, durable, and virtually impervious to moisture, but cost accordingly.

— Brass. A fairly rare option found in some models of surface pumps. Brass is strong enough, reliable and resistant to moisture, but in most cases, it does not have key advantages over the same stainless steel or aluminium but costs a little more.

— Bronze. Another material similar to the brass described above is durable and practical but rarely used.

— Ceramics. A material found exclusively in sewage pumps in the form of toilet bowls (see "Pump design"). Most often, ceramics means vitreous china or more expensive and durable vitreous china — that is, the same materials as in ordinary toilets without built-in pumps.
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AL-KO Jet 3000 Inox Classic often compared
AL-KO Jet 3000 Classic often compared