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Comparison Harteh ST-125 125 L vs Stal BST 125 125 L

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Harteh ST-125 125 L
Stal BST 125 125 L
Harteh ST-125 125 LStal BST 125 125 L
from $132.00
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from $122.00 up to $133.68
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Motorelectricelectric
Type of drivegear ringgear ring
Gear ring materialcast iron
Drum capacity125 L125 L
Finished mixture capacity95 L95 L
Mix typegravitygravity
Drum/blade speed27 rpm
Max. power650 W550 W
Voltage230 V230 V
Drum tilt lockmanualmanual
Weight43 kg
Added to E-Catalognovember 2016april 2016

Gear ring material

The material from which the crown is made. It matters not so much in terms of the quality of concrete mixing, but in terms of the durability of the equipment.

Cast iron. The most common metal in the manufacture of the crown. Easily processed, quickly cast, characterized by minimal investment at all stages of production. Another notable feature of cast iron is its long service life. At the same time, under mechanical stress, the cast-iron crown can crack, and all kinds of abrasive particles crumble rubbing places. In operation, the crown of cast iron often rattles and vibrates.

Steel. High-strength crown material. Steel is more expensive than cast iron, which is more than offset by silent operation. Steel rim cement mixers are great for many hours of daily use.

Polyamide. The manufacturing technology of polyamide crowns is based on a synthetic composition endowed with elasticity and resistance to temperatures in a wide range. Rims made from this composite material are notable for their durability, lightweight design, smooth running and quiet operation. The polyamide crown can be partially changed — usually it consists of four parts and one worthless one can be easily replaced.

Drum/blade speed

The speed at which the drum or blades (depending on the type of mixing, see above) move during operation of the cement mixer. In most consumer-class models, this indicator is more of a general reference than practically significant — the optimal speed for solutions that such devices usually have to work with is about 23-28 rpm, and the vast majority of models fit well into this range. The differences between specific values, usually, are completely uncritical and are due to the difference in the size of the drums and the power of the engines.

Max. power

The power of the motor used to rotate the working mechanism of the cement mixer. This parameter can be called secondary, because. it is selected depending on the volume of the drum (see above) — in such a way as to ensure rotation without problems at the maximum working load (see "Volume of the finished mixture"). And the main criterion when choosing a cement mixer is still the volume of the drum. However, models of equal volume may vary in power, and to determine the optimal option, it is necessary to take into account the planned operating conditions.

So, the "ceiling" in terms of power for small cement mixers with a volume of up to 130 liters, designed for use in individual construction, is 700-800 W — this is quite enough for normal operation without excessive electricity costs. If you need continuous operation for 10 hours or more, you should pay attention to more powerful models. It is also recommended to have a power reserve if the cement mixer has to be used with unstable networks where voltage drops are possible.
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