Making SWAGELOK Connections
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Appendix—SWAGELOK Connections
The gas supply tubing is attached with SWAGELOK fittings. If you are not familiar
with making
SWAGELOK connections, review the following procedure. The
procedure explains how to connect tubing to a fitting, such as inlet and detector
manifolds or the gas supply tank.
Materials needed:
❐ 1/8-inch (or 1/4-inch, if used) preconditioned copper tubing
❐ 1/8-inch (or 1/4-inch, if used)
SWAGELOK nuts, and front and back ferrules
❐ Two 7/16-inch wrenches
1. Attach a 1/8-inch SWAGELOK nut, back ferrule, and front ferrule to the
tubing.
2. Make sure that the front ferrule is touching the inlet, and then slide the
SWAGELOK nut over the ferrule and tighten it finger-tight.
Front ferrule (1/4- or 1/8-inch)
Back ferrule (1/4- or 1/8-inch)
SWAGELOK nut (1/4- or 1/8-inch)
Tubing (1/4- or 1/8-inch)
Inlet
Tubing, nut and ferrule
assembly
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