6
PROBLEM
POSSIBLE CAUSE
SOLUTION
The power
consumption
is higher than
expected
Reduce the flow with the delivery
valve or change the motor
Specific gravity and viscosity above
design
Check the fastening of the terminals.
Check the mains voltage and make
sure the shaft turns gently by hand
Excessive consumption
Test pressure the suction pipeline
including the pump and observe any
liquid leak
Air trapped in the suction line
The pump
vibrates
Change the impeller, clean the
impeller
Impeller imbalanced through
breakage or partial obstruction
Change the operating conditions or
the pump in the installation.
Cavitation
Eliminate the tension by loosening
the pipeline
Tension in the pipeline
Bleed the air from the liquid or
prevent it from getting into the pump
Air in the liquid
The bearing
gets too hot
Содержание DFP
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