Maintenance, Cleaning; Safety Instructions; Maintenance Work - Burkert 3232 Manuel D'utilisation

9. MAINTENANCE, CLEANING
9.1. Safety instructions
DANGER!
Risk of injury due to electrical shock!
• Before reaching into the system , switch off the power supply
and secure to prevent reactivation!
• Observe applicable accident prevention and safety regulations
for electrical equipment!
WARNING!
Risk of injury from improper maintenance!
• Installation may be carried out by authorized technicians only
and with the appropriate tools!
Risk of injury from unintentional activation of the system and
an uncontrolled restart!
• Secure system from unintentional activation.
• Following maintenance, ensure a controlled restart.
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english
Type 3 232, 3233, 3233 K, 3234,

Maintenance, Cleaning

9.2. Maintenance work
9.2.1. Actuator
The actuator of the diaphragm valve is maintenance-free provided it
is used according to these operating instructions.
9.2.2. Wearing parts of the diaphragm valve
Parts which are subject to natural wear:
• Seals
• Diaphragm
→
If leaks occur, replace the particular wearing parts with an appro-
priate spare part (see chapter (see Chapter 11).
A bulging PTFE diaphragm may reduce the flow-rate.
9.2.3. Service life of the diaphragm
The service life of the diaphragm depends on the following factors:
• Diaphragm material,
• Medium,
• Medium pressure,
• Medium temperature.
3235, 3239