Replacement Membranes - Burkert 2030 Instructions De Service

Tightening torques for plastic housings (PV) and VA tubular housings (VA)
DN
65
80
100
We recommend that the sealing membranes be regularly checked for wear, and that they
NOTE
be replaced in good time, in order to avoid a rupture and a resulting leakage of the medium.
CAUTION!
The installation of an elastomer membrane into a drive that was delivered with PTFE
membranes is only possible with the use of the stainless steel insert (see below)

Replacement membranes

DN
65
80
100
NOTE Change form PTFE to elastomer membrane:
You must also order the stainless steel insert (ID No. 648 864) and lay it in the groove of
the pressure component.
Tightening torque [Nm]
(values for guidance)
Elastomer diapghragm
20
30
40
Order no. Order no.
EPDM FKM
650 080 650 081
650 082 650 083
650 084 650 085
PTFE diaphragm
30
40
50
Order no.
PTFE
650 086
650 087
650 088
2030/2031K big - 9