Burkert Type 2301 - Manual (Page 29)

29
Maintenance, cleaning
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.
10.2 maintenance work
actuator:
The actuator of the globe control 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
• Control cone
• Seals
→
If leaks occur, replace the particular wearing part with an appro-
priate spare part.
(For spare-part sets and installation tools see chapter entitled
“12 Replacement parts”).
The replacing of the wearing parts is described in chapter
“10.3 Replacing the wearing parts”.
Visual inspection:
Perform regular visual inspections according to the application
conditions:
→
Check media connections for leaks.
→
Check release bore on the tube for leaks.
Release bore
Fig. 16: Release bore
10.2.1 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
Type 2301