TROUBLESHOOTING
54
Vibration of the pump
and pipework.
Suction and discharge
lines are not secured cor-
rectly.
Check and secure pipe-
work.
High pump speed with long
suction and discharge lines
or high relative density or a
combination of these fac-
tors.
Reduce pump speed.
Reduce the line lengths on
both suction and dis-
charge where possible.
Consult your Bredel repre-
sentative for a recommen-
dation.
Too narrow diameter of
suction and/or discharge
line.
Increase the diameter of
the suction/discharge lines.
Short hose life.
Chemical attack of the
hose.
Check the compatibility of
the hose material with the
product to be pumped.
Consult your Bredel repre-
sentative for correct hose
selection.
High pump speed.
Reduce pump speed.
High discharge pressures.
Maximum working pres-
sure 1600 kPa. Check that
the discharge line is not
blocked, the shut-off valves
are fully opened and the
pressure relief valve func-
tions properly (if present in
the discharge line).
High product temperature.
Consult your Bredel repre-
sentative for correct hose
selection.
High pulsations.
Restructure the discharge
and inlet conditions.
Problem
Possible cause
Correction
