Repairs; Safety Instructions; Replacing The Diaphragm - Burkert 2103 Manuel D'utilisation

11.

repairs

11.1. safety instructions
Danger!
danger – high pressure in the equipment!
• Before loosening the lines and valves, turn off the pressure and
vent the lines.
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 authorised technicians only
and with the appropriate tools!
• Observe the tightening torques.
• On completion of the work check valve for leaks and function.
risk of injury from unintentional activation of the system and
an uncontrolled restart!
• Secure system from unintentional activation.
• Following maintenance, ensure a controlled restart.
42
english
Type 2103
Repairs
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.
11.2. replacing the diaphragm
required spare part
• Diaphragm
Fastening types
dn Fastening types for diaphragms
ptFe
8 Diaphragm buttoned
15
Diaphragm with bayonet
catch
20
25
Diaphragm with bayonet
40
catch
50
Tab. 15: Fastening types for diaphragms
epdM / FkM
Diaphragm buttoned
Diaphragm screwed in