beautypg.com

9 maintenance, cleaning, 1 safety instructions 9.2 maintenance work, 9maintenance, cleaning – Burkert Type 3239 User Manual

Page 18

background image

18

Maintenance, Cleaning

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.

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 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.

english

Type 3232, 3233, 3233 K, 3234,

3235, 3239

This manual is related to the following products: