Heidolph Synthesis 1 - Manual (Page 75)

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2.3 Connect vacuum / inert gas with vessels / plenum
Vacuum- / inert gas tube couplings are screw- type as shown in Chapter 2.1.5.
Assignment of vessels to a particular plenum port is discretionary. However,we
recommend using as short as possible tube lengths, no matter on what level you are
working.
2.4 Connect vacuum- / inert gas to plenum ports
Vacuum- / inert gas fitting is designed for the 8/6 PTFE tube coming with the item.
Slip union ring over PTFE tube, install sealing ring, plug tube over nipple, pull union
ring tight.
vacuum / inert gas plenum
rear of item
vacuum- / inert
gas nipple
clamp ring and
union ring
sealing ring
union ring
PTFE vacuum
tube