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Installation, Operating and Maintenance Instruction
To ensure optimum availability, we recommend
that suitable quantities of spare parts are held in
stock, especially if these are made from special
materials because of the longer delivery times.
Spare Parts
Impeller
Guide wheel or multi-stage
casing
Joints for pump casing
Bearing bush
Bushing (if present)
Shaft
Non-return valve
Other joints
Ordering spare parts
When ordering spare parts, please supply the following
information:
Type:
______________________________________________________________________
Order no.:
_______________________________________________________________
Sectional drawing:
__________________________________________________
Part designation:
_____________________________________________________
All the information is given in the relevant sectional
drawing.
Number of Spare Parts
1 - 2
3
1 x N
1 x N
0,5 x N
0,5 x N
4
6
sets
sets
2
2
2
2
1
1
1
1
sets
4
6
P = Number of pumps (incl. stand-by pumps)
N = Number of steps
page 36
P
4
5
6 - 7
1 x N
2 x N
2 x N
0,5 x N
1 x N
1 x N
8
8
9
2
3
3
2
3
3
2
2
2
2
2
2
8
8
9
11.2 Reserve pumps
It is essential that a sufficient number of stand-
by pumps are kept ready for use in plants where
failure of a pump could endanger human life or
cause damage to property or high costs.
Regular checks should be carried out to ensure
that such pumps are always ready for use (see
Point 8).
8 - 9
10/more
3 x N
0,3 x N x P
1,5 x N
0,15 x N x P
12
0,15 x N x P
4
0,5 x N x P
4
0,3 x N x P
3
0,3 x N x P
3
0,3 x N x P
10
1 x N x P
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