Columns and Traps
Installing packed metal columns
Released: March 2004 6850 Series II GC User Information page 47 of 256
6. Insert the spacer into the vise-held Swagelok fitting.
7. The male Swagelok fitting and spacer should be kept on hand to be used
whenever new ferrules are being installed on a column.
Installing an adapter in a detector fitting
This is a general procedure for installing many types of adapters onto detector
fittings. See Table 15 for adapter part numbers.
1. Assemble a brass nut and a graphitized Vespel ferrule onto the adapter.
2. Insert the adapter straight into the detector base as far as possible. Hold
the adapter in this position and tighten the nut finger tight.
• 1/4-in. column: tighten an additional 3/4 turn with a 9/16-in. wrench
• 1/8-in. column: tighten an additional 1/4 turn with a 7/16-in. wrench
3. Install your column. See “Installing packed metal columns” on page 48.
Graphitized Vespel ferrule
Nut
Adapter
Detector fitting
Adapter
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