EB 2522 EN
27
Malfunctions
7 Malfunctions
Depending on the operating conditions,
check the regulator at certain intervals to
prevent possible failure before it can occur.
Plant operators are responsible for drawing
up an inspection and test plan.
SAMSON's After-sales Service can support
you in drawing up an inspection and test
plan for your plant.
Tip
7.1 Troubleshooting
Malfunction
Possible reasons
Recommended action
Pressure fluctuations and
vibrations
Pressure tapping incorrectly
routed.
Check the pressure tapping of the con-
trol line (see section 5.1.3 on ‘Control
line’). If necessary, relocate the point of
tapping.
Insufficient throttling.
Screw SAMSON Venturi nozzle into
the fitting for the control line connection
(9).
Order no.:
1991-7114 for A =1200 or 640 cm²
1991-7113 for A =320 or 160 cm²
Improper sizing of the regulator.
Check the sizing data used for the reg-
ulator. If necessary, change the K
VS
co-
efficient, seat diameter or actuator ar
-
ea.
Contact SAMSON's After-sales Service for malfunctions not listed in the table.
Note
Summary of Contents for 2406
Page 31: ...EB 2522 EN 31...