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50 | English
The pumps can also be used to pump liquids in water supply systems, for example in:
– Washing systems
– Industrial plants
To ensure optimum operation, the operating point of the systems must always be within the pump's
characteristic diagram. The operational safety of the pump is only guaranteed if it is used as in-
tended. The maximum limits specified in the technical data must not be exceeded under any cir-
cumstances.
2.2
Type designation
Type series
Pump housing S/M
Nominal diameter DN [mm]
Max. pressure (at zero head)
Overall length [mm]
Pressure level (if below PN 16)
2.3
Pumped media
Warning
Pumps that have been used to pump a liquid that is harmful to health are consid-
ered contaminated. Take the necessary precautions when operating and working
on the pump, wear your personal protective equipment.
The pump is suitable for pumping pure, low-viscosity, non-explosive and non-aggressive media
without solid or long-fibre components which do not corrode the pump mechanically or chemically.
Pumping media with a higher density and/or kinematic viscosity than water reduces the pump's
flow rate. This has the following effects on the pump:
– A considerable drop in pressure
– A drop in hydraulic power
– An increased power input
In this case, the pump must be equipped with a larger motor. Please contact Biral if in doubt.
Heating water:
Requirements according to common standards that apply to the water quality of heating systems,
e.g. VDI 2035
Danger
The pump must not be used to pump flammable media such as diesel oil and fuel.
VivarA
M 80 – 12 360 PN6
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