RDLO
Page 20 of 24
7.8 Spare Parts
7.8.1 Purchasing of Spare Parts
If spare parts are needed, these should be ordered from KSB's nearest customer service centre.
When ordering spare parts please always quote the following particulars which are stated on the name plate
or in the technical data of the pump in section 9.2):
Type series; works/serial number (P-No.) of pump; year of manufacture
The parts ordered should be specified as follows (see sectional drawing and list of spare parts):
Example:
Quantity Description Material Ident. No. Part No.
1
Rolling element
bearing
ST (8-digit number) 320
7.8.2 Spare Parts Stock
Recommended spare parts stock for 2 years' operation in accordance with VDMA 24296 (also applicable for
continuous operation):
Part No. Description Number of pumps (incl. stand-by pumps)
234568
10 and
more
Quantity of spare parts *
234 Impeller - - 1 1 1 2 30%
502 Casing wear ring 2 2 4 4 6 8 100%
503 Impeller wear ring 2 2 4 4 6 8 100%
Shaft with keys and shaft nuts - - 1 1 1 2 30%
320 Angular contact ball bearing 2 2 4 4 6 8 100%
321 Deep groove ball bearing 1 1 2 2 3 4 50%
524 Shaft protecting sleeve 2 2 4 4 6 8 100%
461 Set of packing rings 8 12 16 20 24 32 400%
Set of seal elements 4 6 8 8 9 12 150%
433
Mechanical Spring-loaded ring
seal Seat ring
O-rings
Seal elements on seat ring
Set of springs
2
2
2
2
1
2
2
2
2
1
4
4
6
6
2
4
4
8
8
2
6
6
10
10
3
8
8
12
12
4
90%
90%
150%
150%
50%
*
These figures already include those components required twice for replacement
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