Heidolph Hei-VAP Precision User Manual
Page 23

Set-up and Start-up
Set-up and Start-up
44
45
1
Ferrule for the vacuum valve
5
Ferrule for the bottle
2
Cap nut
6
Mounting brackets
3
PTFE tube section
7
Screws
4
Threaded fitting cap
Figure 4-18: Connect the Woulff flask with vacuum valve
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 brackets (6)
and two screws (7) to the base unit.
1
2
3
4
5
6
7
7
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.
1
Threaded fitting cap
3
Vacuum tube
2
Connector (GL hose barb)
Figure 4-19: Vacuum connection
Suitable vacuum source is available.
Suitable vacuum tube (7-8 mm) is available.
1
2 3