Agilent Technologies Turbo-V 850 TwisTorr Bedienungshandbuch Seite 391

Both valves are fed through a single gas port, with 1/8 Gas thread.
To supply the inert purge gas to the pump through the purge/vent
device, connect a gas purge line to the common 1/8 Gas thread port.
The purging device automatically provides about 20 sccm when fed
with 1 bar (14 psi) absolute (atmospheric pressure).
The following instructions detail how to install the purge/vent device
on the pump.
1
Figure 81
2
3
Turbo-V 750/850 TwisTorr User Manual / 87-901-020-01
Pump used with Corrosive Gases – Pump Purging
Unscrew the four M
block;
Remove the standard purge block paying attention to not remove
the sealing o-ring placed on the body;
Insert the purge/vent device into the rectangular seat previously
occupied by the standard purge block (see the following picture
for correct alignment and orientation). Pay attention that the
sealing o-ring on the body remains well positioned on its seat
during this operation;
3
x 20 screws fixing the standard purge port
(A)
Technical Information
391/406
17