4 Description of the Pump (Set)
4.1 General description
Pump for handling clean or slightly contaminated water.
Verify the fluid composition against the data sheet.
Not approved for handling explosive fluids or for forming part of an explosion-proof
system!
4.2 Designation
Submersible borehole pump
Example: UPA 250C - 150 / 5b
Table 4: Key to the designation
Code Description
UPA Pump type
250 Nominal size [mm]
C Design status
150 Flow rate at best efficiency point [m³/h]
5 Number of stages
b Reduced impeller diameters
Submersible borehole pump
Example: BRZS 535 / 5
Table 5: Key to the designation
Code Description
B R Pump type
Z Nominal size
S Design with suction impeller
535 Hydraulic code
5 Number of stages
Submersible motor
Example: VBD FV 31 - 30 5
Table 6: Key to the designation
Code Description
V Motor size, e.g. V = 14 inch
B Number of poles, e.g. B = 2 poles
D Design status
FV Length of core pack
31 Maximum rated power
30 Voltage, e.g. 30 = 3 kV
5 Frequency, e.g. 5 = 50 Hz
4 Description of the Pump (Set)
16 of 64
UPA, UPZ, BSX
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