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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. Use
Pumps of this type series are single-stage transportable
centrifugal pumps which are suitable for pumping of clean
and slightly soiled water. The pumps are suitable for both
mobile and stationary operation. Freestanding installation
on firm base is possible. The pumps are not suitable for
conveying mediums with strongly abrasive components
(e.g. sand, gravel, stones).
Scope of application: For example, waste water disposal
in basements, dewatering of pits and rooms. The pumps
are suitable for both mobile and stationary operation.
Freestanding installation on firm base is possible.
The free passage is 20 mm for CR360 and 30 mm for
CR372.
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 1,100 kg/m3 and the
pH value may be 6 to 8.
3.2. Type of application
The pumps are designed for intermittent operation:
•
Powered on 30 minutes
•
Powered off 10 minutes
3.3. Construction
The submersible aggregate consists of the motor, the
pump casing and the suitable impeller. All important parts
are of generous dimension.
No.
Description
1
Suction sieve
2
Motor housing
3
Cable inlet
4
Handle
5
Discharge
6
Float switch
EngliSH | 23
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