72 Installation and First Startup
A Making Swagelok Connections
Figure 28 Marking the fitting
9 For 1/8- inch Swagelok fittings, use a pair of wrenches to
tighten the fitting 3/4 of a turn (see Figure 29).
Figure 29 Final tightening
10 Remove the plug from the fitting. To connect the tubing,
with nut and ferrules, to another fitting, finger- tighten the
nut, then use a wrench to tighten it 3/4 (1/8- inch fittings)
of a turn.
11 Both correctly- and incorrectly- swaged connections are
shown in Figure 30. Note that the end of the tubing in a
correctly- swaged fitting is not crushed and does not
interfere with the action of the ferrules.
Figure 30 Completed fitting
Pencil line
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