Burkert Type 2037 - Manual (Page 30)

30
Repairs
11 repairs
11.1 safety instructions
Danger!
risk of injury from 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 authorized 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.
11.2 replacing the diaphragm
Danger!
risk of injury from discharge of medium (acid, alkali, hot media)!
It is dangerous to remove the device under pressure due to the
sudden release of pressure or discharge of medium.
▶ Before removing a device, switch off the pressure and vent the lines.
▶ Completely drain the lines.
required spare part
• Diaphragm
fastening types
Orifice
(Diaphragm size)
[mm]
fastening types for diaphragms
ptfe epdm / fkm
8 Diaphragm buttoned
Diaphragm buttoned 15 Diaphragm with
bayonet catch
20
25
Diaphragm with
bayonet catch
Diaphragm screwed in
40
50
65
Tab. 10: Fastening types for diaphragms
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037