Vibrations on
pumps and
pipelines
Insufficient nominal width
of the pipes
Increase nominal width
Pump base plate loose
Fasten base plate
Pulsation dampers insuf-
ficient or missing
Install pulsation dampers on suc-
tion and / or discharge side
Short opera-
tional lifetime
of the hoses
Chemical exposure
Check the compatibility of
the hose with the liquid being
conveyed, the cleaning fluid and
the lubricant. If in doubt, always
consult your realax distributor
High pump speed
Reduce pump speed
High conveying tempera-
ture
Reduce product temperature.
If in doubt, always consult your
realax distributor
High operating pressure
Reduce operating pressure. If
in doubt, always consult your
realax distributor
Pump cavitation
Check the suction conditions.
If in doubt, always consult your
realax distributor
Abnormal elevation of
temperature
Check rollers shaft mounting
Unsuitable lubricant
Always consult your realax dis-
tributor for correct lubricant
Insufficient quantity of
grease
Top up lubricate hose with suit-
able grease
Pump hose
pulled into the
pump housing
High inlet pressure (>3 bar) Reduce inlet pressure
Pump hose filled with
deposits
Clean or replace the pump hose
Holder (press flange) insuf-
ficiently tightened
Re-tighten holder (press flange)
Insufficient grease
Top lubricate hose with suitable
grease
The pump
does not start
up
Insufficient motor perfor-
mance
Check motor and replace if
necessary
Insufficient output from
frequency converter
The frequency converter must
match the motor
Blockage in the pump
Check power supply. Start occurs
at minimum 10 Hz
Blockage in the pump
Check if the suction or discharge
side is blocked. Remove blockage
Operating instructions
Peristaltic Pump IP Series
20
