Main catalogue - Athena Building

Wet & dry vacuum cleaners
Vacuum cleaners
Power, air suction, depressure:
which technical data is most
important?
The right technical data of a
vacuum cleaner is the vacuum
efficiency, that is the mix of
different values, i.e. air suction,
motor power and depression. Air
suction is the vacuumed air volume,
commonly expressed in litres per seconds
(l/sec) and it is the result of the average
air speed multiplied by hose diameter. The
depression is the vacuum power (it can be
defined as the vacuum power to collect dirt) and
it is commonly expressed in kPA or in mbar. It is an
inverse relation to air suction: the narrower the flex
diameter, the least
vacuumed air volume but the best strength to pick up dirt.
Power motor is expressed in Watt and it is
not proportional to vacuumefficiency!
If the vacuum cleaner is not well-done, it wastes a lot
of electric power without having the best performances
possible. Summing up, the vacuum cleaner efficiency
is a relationship between air suction (resulting in
multiplication of pressure and air suction) and motor
power. All our vacuum cleaners have a top efficiency and
are manufactured considering essence and user’s benefit.
Fixed or tilting trolley, which one to choose?
The choice of the trolley must be made considering the
type of use needed. Generally, tilting trolley is much more
useful to collect dust and solids, because the tilting tank
make it easier the emptying or pouring. The fixed trolley
is better for liquids vacuuming, because it is equipped
with drain hose system, emptying is fast and step by step,
avoiding the effort of lifting the tank.
What kind of tank material is to be
preferred?
Our vacuum cleaner range includes plastic tanks
(polypropylene or PP) or stainless steel tanks. The PP tank
is flexible, shock proof and resistant to chemical
products. It is recommended for frequent moving uses
or vacuuming of particularly aggressive chemicals (for
example in combination with a single disc machine). The
stainless steel tank is more rigid, steadier, resistant to
mechanical abrasion and it is aesthetically agreeable. It
is recommended for static use, with abrasive materials or
in a public place.
What safety vacuum cleaners are?
Safety vacuuming means that the product is entirely
certificated (not the filter only, but the entire machine) in
order to comply with the strictest directives and European
rules that regulate vacuuming of dust dangerous for
health, divided into two groups: hazardous dust and
explosives ones. Hazardous dust are also divided in:
dust with OEL* value and cancerogenous dust (asbestos
is considered a cancerogenous dust only in Germany
and it needs another classification and certification).
An example of this dust is asbestos, food or wood
preservatives and fertilizers.
Explosive dust is for example wood dust, aluminium dust
and flour.
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