A Making Swagelok Connections
Installation and First Startup 55
Figure 15. Insert the tubing
5 Finger-tighten the nut.
6 Mark the nut with a pencil line. See Figure 16.
Figure 16. Marking the fitting
7 For 1/8-inch Swagelok fittings, use a pair of wrenches to tighten the fitting 3/4 of a turn.
See Figure 17.
Figure 17. Final tightening
8 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.
Front
ferrule
Back
ferrule
Nut
Insert
tubing fully
Withdraw tubing
1-2 mm
Tighten nut
Pencil line
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