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Technical Information
Vent Accessories
212/228 Turbo-V 81-M User Manual / 87-900-983-01 (E)
Vent Accessories
The vent valve and vent device allow to avoid undesired venting of
the pump during temporary power failure and enables an automatic
vent operation.
There are several vent valves available and each vent valve has to be
driven by its own control unit.
NOTE
Refer to the Vent Valve Model Selection table to choose the valve and the
related control unit.
Refer to the control unit manual for the pump-valve-controller interconnections.
Refer to the vent valve manual and follow the in-structions to properly vent the
turbomolecular pump.
NOTE
To install the vent valve, unscrew the threaded plug (see figure
below).
Figure 26
Then screw the vent valve into the pump and tighten it using a 16
mm hexagonal spanner with a torque of 2.5 Nm.
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