RDLO
Page 21 of 24
8 Trouble-shooting
8.1 General
The diagram on the right serves to facilitate the
understanding of the causes of faults and their
remedies.
Many faults on pumps have hydraulic causes. The
hydraulic behaviour of a pump is illustrated by its
characteristic curves H, P, Eta and NPSH in
combination with the system curves H
A
and
NPSH
A
. The duty point B is the intersection of the
system curve H
A
and the pump curve H.
If it is not possible to determine the cause of the
trouble, contact KSB's nearest KSB customer
service centre.
Power
Head
Efficiency
Operating Limit
Capacity
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