Malfunctions - bürkert 2000 INOX Bedienungsanleitung

Malfunctions

12 Malfunctions
Malfunction
Actuator does not switch.
Malfunction
Valve is not sealed.
Valve is leaking on the
release bore.
Remedial action
Control pressure too low
See pressure specifications on the rating
plate.
Medium pressure too high
See pressure specifications on the rating
plate.
Direction of flow interchanged
See direction or arrow on the housing.
Remedial action
Dirt between seal and valve seat
Installing dirt trap
Seat seal worn
Installing new disk
Seat seal damaged, e.g. by foreign objects,
swarf or similar
Installing new disk
Direction of flow interchanged
See identification on the rating plate.
Control pressure too low
See pressure specifications on the rating
plate.
Medium pressure too high
See pressure specifications on the rating
plate.
V-shaped packing worn
Replacing actuator
50