Burkert Type 2012 - Manual (Page 16)

16
Maintenance,Cleaning
Type 2012
Warning!
for control function i – danger if pilot pressure fails!
For control function I control and resetting occur pneumatically.
If the pressure fails, no defined position is reached.
▶ To ensure a controlled restart, first pressurize the device with pilot
pressure, then switch on the medium.
risk of injury from moving parts in the device!
▶ Do not reach into openings.
9.2 maintenance work
actuator:
The actuator of the globe valve is maintenance-free provided it is used
according to these operating instructions.
Wearing parts of the globe control valve:
Parts which are subject to natural wear:
• Valve seat,
• Seals.
→
If leaks occur, replace the particular wearing part with an appro-
priate spare part.
Visual inspection:
Perform regular visual inspections according to the application
conditions:
→
Check media connections for leaks.
→
Check release bore on the tube for leaks.
9.2.1 cleaning
Commercially available cleaning agents can be used to clean the
outside.
note!
avoid causing damage with cleaning agents.
▶ Before cleaning, check that the cleaning agents are compatible
with the body materials and seals.
english