Troubleshootingt - Cepex EXTREME Serie Manual De Instalación Y Mantenimiento

ENGLISH
10. TROUBLESHOOTING
FAULT
Leak in the valve body.
Leak in the valve shaft
The torque is too strong or the
valve is blocked.
The valve does not open or
close.
The valve does not close
completely.
The valve does not change the
position.
EXTREME PNEUMATIC BALL VALVE
T 9.1
POSSIBLE CAUSE
Wear of the body o'ring.
Loosening of the seal carrier.
Presence of solids or strange elements.
Wear of the shaft o'rings.
The seal carrier is over-tight
Lack of pressured air.
The actuator stroke is not properly adjusted to the
valve.
The torque of the valve has increased above the
calculated value.
The solenoid valve does not operate properly due to
the use of unfiltered air.
The solenoid does not work properly due to impurities
or oxidation by a corrosive environment.
FAULT CLEARANCE
Change the o'ring.
Adjust the seal carrier.
Remove the valve and replace damaged parts.
Change the o'rings.
Adjust the seal carrier.
Check air supply to actuator
Check adjustment limits according to the actuator manual.
Check the valve: obstructions in the disc or malfunction
of the valve.
Add filtration equipment to the air supply input.
Change the solenoid valve and ask the technical
department about the most appropriate solenoid valve.
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