Operation &
Maintenance Manual
Pump
RW
16/32
Edition 4
HSC
08-W36
782-001-GB
6.6
Installation - A
Stationary immersible installation, horizontal, see fig. 6.10
or vertical, see fig. 6.11.
This installation is only possible if the pump is equipped
with a cooling system.
The main components are :
1. pumpcasing
2. motorunit
3. cooling system
4. sealhousing
5. pump support
6. discharge pipeline
7. suction pipeline
8. level regulators for start- stop- and alarm- signals
Checkpoints before operating:
-
In-line position of the discharge and suction
pumpflanges.
-
Forces on the pumpflanges may not exceed
the values in par. 6.7.
-
Adjust the start- and stoplevels in such a
way that the motor does not make more
than 20 starts per hour.
If maintenance and/or inspection is necessary, as
described in chapter 7, we recommend to disconnect the
motorunit from the pumpcasing.
This can easily be done by removing the nuts of the
sealhousing-pumpcasing connection.
6.7
Flange forces and moments for
stationary immersible pumps
Because of the pipeline system, specific forces on the
discharge and suction flanges of the pump will occur:
The forces (F) and moments (M) may not exceed the
values of table below.
1. Forces Fx, Fy and Fz
2. Moments Mxy, Mxz and Myz
See fig. 6.12
(1) is the discharge flange
(2) is the suction flange
Pump
Fx
Fy
Fz
Mxy
Mxz
Myz
type
[N]
[N]
[N]
[Nm] [Nm] [Nm]
RW60
1200 1200 2500 1000 1000 1100
RW80
1200 1200 2800 1100 1100 1200
Fig. 6.10
Fig. 6.11
Fig. 6.12
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