Columns and Traps Part 2. Packed metal columns
Procedure: Making a spacer from Teflon tubing
126
3. Insert the Teflon tubing, ferrules, and nut into the vise-held SWAGELOK
fitting. Tighten the nut 3/4 turn past finger tight to set the ferrules on the
tubing.
4. Loosen the nut and remove the assembly from the male SWAGELOK fitting.
5. Cut off the end of the tubing extending beyond the ferrule with a razor or
sharp knife. This piece of tubing is the spacer.
6. Insert the spacer into the vise-held SWAGELOK fitting.
The male SWAGELOK fitting and spacer should be kept on hand to be used
whenever new ferrules are being installed on a column.
Tubing, nut, and
ferrule assembly
Male SWAGELOK fitting
(vise not shown)
=
+