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Horizontal End Suction Pump for Chemical Process, ASME B73.1-2001
Installation, Operation, and Maintenance Manual – CPP21
SECTION NINE - SPARE PARTS
The recommended quantity of spare parts to meet regular conditions of constant operation over a period of two
years are given in the list below:
Spare parts
Number of identical pumps (including reserve pumps)
2 3 4 5 6 and 7 8 and 9
10 and
more
Quantity of spare parts
Impeller 1 1 1 2 2 3 30%
Case wear ring, impeller
ring
2 2 2 3 3 4 50%
Shaft with fitting key 1 1 2 2 2 3 30%
Bearing 1 1 2 2 3 4 50%
Bearing frame complete
with shaft, bearings, etc.
- - - - - 1 2
Gasket for pump case
(Sets)
4 6 8 8 9 12 150%
O-ring 2 3 6 8 8 10 150%
Spring 1 1 1 1 2 2 20%
Repair Kit for
mechanical seal
1 1 2 2 2 3 30%
The spare parts should be available from the time of first operation.
Spare parts taken out and used must be replaced as soon as possible.
Please give the following details when ordering:
• Order No. of the pump
• Type of pump and size
• Identity number from the list of spare parts
• Part number from the sectional drawing
• Quantity
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