Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 5 minutes (guideline
value)
!
It must be ensured that the circumference of the seal can be deformed
without major effort. The required warming-up time depends on the individual
oven and can vary accordingly.
Fig.30
5.
Use both thumbs to press the heated O-ring (TEFASEP gold valve seat seal)
into the radial groove at one point.
Fig.31
6.
Then use both palms to press the valve seat seal in place in the radial groove.
!
When pressing in, pay attention to the “engaging” of the valve seat seal into
the radial groove. Th generated clicking sound is proof of correct installation.
!
After fitting a new TEFASEP gold valve seat seal, it could be that the valve
might not be leak-proof yet. Only after the first CIP or SIP cleaning (see ) the
valve seat seal will adjust itself optimally to the sealing surfaces and will
ensure perfect sealing up to the maximum closing pressure or vacuum.
Fig.32
?
The valve seat seal is still too rigid and cannot be mounted?
®
Heat the valve seat seal again as described in the first step.
?
When mounting the valve seat seal, the seal does not "click" into place any
more?
The valve seat seal has been overheated and can no longer be used.
Maintenance
Maintenance
430BAL008430EN_4
08.03.2022
57
Summary of Contents for VARIVENT X
Page 87: ...Appendix 430BAL008430EN_4 08 03 2022 87 ...
Page 88: ......