Heidolph Hei-VAP Precision Manuel D'utilisation page 39

1. Unscrew the threaded fitting (4) from the Woulff bottle, remove the hose clamp ring
(5).
2. Place the enclosed PTFE tube section (3) in the cap nut (2) and tighten the cap nut
(2).
3. Push the threaded connection (4) on the PTFE tube section (3), also push on the
ferrule compression fitting (5).
4. Connect the Woulff bottle with the ferrule compression fitting (1).
5. The vacuum valve and Woulff bottle are connected.
6. Attach the connected Woulff bottle and the vacuum valve with the mounting brack-
ets (6) and two screws (7) to the base unit.
Suitable vacuum source is available.
Suitable vacuum tube (7-8 mm) is available.
Figure 4-19: Vacuum connection
1 Threaded fitting cap
2 Connector (GL hose barb)
1. Connect the vacuum hose (3) to the hose barb connector (2) to the threaded fitting
cap (1).
Hose connection of individual vacuum systems, refer to the following pages.
Hei-VAP Precision
3 Vacuum tube
Set-up and Start-up
Connection
Vacuum to the
glassware set
Vacuum connec-
tion
33
EN