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Caution!
Never operate the machine if the safety and monitor-
ing devices have been removed or damage, or if they
do not work.
2.8. Pumped fluids
Each pumped fluid differs in regard to composition, cor-
rosiveness, abrasiveness, TS content and many other
aspects. Generally, our products can be used for many
applications. For more precise details, see chapter 3, the
machine data sheet and the order confirmation. It should
be remembered that if the density, viscosity or the gener-
al composition change, this can also alter many parame-
ters of the product.
Different materials and impeller shapes are required for
different pumped fluids. The more exact your specifica-
tions on your order, the more exactly we can modify our
product to meet your requirements. If the area of applica-
tion and/or the pumped fluid change, we will be happy to
offer supportive advice.
When switching the product into another pumped fluid,
observe the following points:
•
Products which have been operated in sewage or
waste water must be thoroughly cleaned with pure
water or drinking water before use.
•
Products which have pumped fluids which are haz-
ardous to health must always be decontaminated
before changing to a new fluid. Also clarify whether
the product may be used in a different pumped fluid.
•
With products which have been operated with a lu-
bricant or cooling fluid (such as oil), this can escape
into the pumped fluid if the mechanical shaft seal is
defective.
Danger - explosive fluids!
It is absolutely prohibited to pump explosive liquids
(e.g. gasoline, kerosene, etc.). The products are not
designed for these liquids!
2.9. Sound Pressure
Depending on the size and power (kW), the pump has
a sound pressure of about 40dB (A) to 70dB (A) during
operation. However, the actual sound pressure depends
on several factors. These are, for example, the type of
installation and set-up, mounting of accessories, piping,
operating point, immersion depth, and much more.
3. General description
3.1. Application
HOMA multipurpose pumps are transportable self-prim-
ing centrifugal pumps, with an electric motor. If an elec-
tronic pump control is installed, these pumps function as
automatic domestic water systems. These pumps are
suitable for conveying clean water. Their areas of applica-
tion include garden irrigation, emptying basins, as emer-
gency pumps in the event of flooding. These pumps are
not suitable for use with media containing admixtures of
abrasive dirt, sand, sludge or clay. substances that grind
like emery, or other substances such as sand, particles
contained in suspension, leaves etc. can destroy the
pump. In general, we recommend the use of a pre-filter
to prevent contamination damaging the pump or the con-
trol system. These pumps are likewise unsuitable for use
with media containing chemical, corrosive, highly flamma-
ble or explosive substances. All drawing-off points (e.g.
washbasins water-taps) fed by automatic domestic water
systems are to be marked with a NOT DRINKING WATER
warning notice. The temperature of the pumped medium
may be up to 35°C, short-term up to 60°C maximum. The
maximum density of the pumped medium is 1,040 kg/m³
and the pH value may range from 6 to 8.
3.2. Types of Use
These pumps are designed for the S1 (continuous) mode
of operation. Please refer to the exact data of the table in
chapter 3.3.2 motor.
3.3. Construction
The unit consists of a standard motor, the pump housing
and the appropriate blade wheel. All important compo-
nents are generously dimensioned.
No.
Description
1
Fill out hole
2
Suction inlet
3
Pump housing
4
Discharge
5
Pump control (only HCE)
6
Fill in hole
7
Handle
8
Motor
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