4.5
Configuration and function
1
2
3a
3b
4
3c
5*
6
7
8
9
10
11
12
13
14
15
16
Fig. 3: Sectional drawing
The fluid enters the can (2) via the suction nozzle (4) of the distributor casing. In the
suction casing (1) it is accelerated outward by the rotating impeller (16). In the flow
passage of the stage casing (15) and the diffuser (14) the kinetic energy of the fluid is
converted into pressure energy. The fluid is guided to the next impeller by the return
guide vanes of the diffuser. This process is repeated in all stages until the fluid has
passed the last diffuser. The fluid then passes through the discharge casing (13) and is
guided upwards through the column pipe (12) to the discharge nozzle of the
distributor casing (11), where it leaves the pump.
The hydraulic axial thrust is balanced by means of two casing wear rings and
balancing holes in the impellers.
4 Description of the Pump (Set)
WKTR
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