Malfunction
Valve is not
Dirt between seal and valve seat
→
sealed
Installing dirt trap
Seat seal worn
→
Installing new pendulum disc
Direction of flow interchanged
→
See direction or arrow on the rating plate
Medium pressure too high
→
See pressure specifications on the rating
plate
Control pressure too low
→
See pressure specifications on the rating
plate
Valve is leaking
Stuffing box worn
→
on the release
Renew stuffing box or replace actuator
bore
see 8.4.Pneumatic Connection
2)
28
remedial action
english
Type 2000/2002
Spare parts
spare parTs
11.
Caution!
risk of injury and/or damage by the use of incorrect parts!
Incorrect accessories and unsuitable spare parts may cause
injuries and damage the device and the surrounding area.
•
Use original accessories and original spare parts from Bürkert
only.
11.1.
replacement part sets
The following replacement part sets are available for the angle seat
valve Type 2000 / straight seat valve Type 2002:
•
Valve set
consists of pendulum disk, pin and graphite seal.
•
Seal set for actuator
consisting of the sealing and wearing parts of the actuator.