Watson-Marlow APEX10 - Manual (Page 52)

TROUBLESHOOTING
52
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
fluid to be pumped. Con-
sult your Bredel represent-
ative for correct hose
selection.
High pump speed. Reduce pump speed.
High discharge pressures. Maximum working pres-
sure 800 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