Repairs; Replacing The Diaphragm - bürkert 2030 Bedienungsanleitung

Type 2030, 2031, 2032, 2033,
Electricalconnection
10.2

Repairs

10.2.1

Replacing the diaphragm

DANGER!
Risk of injury due to discharge of medium.
It is dangerous to remove the device under pressure due to the
sudden release of pressure or discharge of medium. During
reinstallation slackened body screws may cause medium to be
discharged.
▶ Before removing a device, switch off the pressure and vent the
lines.
▶ Completely drain the lines.
▶ During reinstallation check tightening torque of the body
screws.
Required spare part
• Diaphragm
Fastening types
Orifice DN Fastening types for diaphragms
(Diaphragm size)
PTFE
65
Diaphragm with
80
bayonet catch
100
Tab. 8: Fastening types for diaphragms
2037
EPDM / FKM /
laminated PTFE
Diaphragm
with threaded
connection
Example:
Body
Fig. 19: Replacement of diaphragm
english
Upper pilot air connection
(for CFB and CFI)
Lower pilot air connection
(for CFA and CFI)
Mark tab
Diaphragm
4 fastening screws
25