Making SWAGELOK Connections
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5. If you are using 1/8-inch SWAGELOK fittings, while holding the fitting steady
with the other 7/16-inch wrench, tighten the fitting 3/4 of a turn. If you are
using 1/4-inch fittings, tighten them 1 1/4 turn.
Tightening SWAGELOK nuts by this procedure provides a leak-proof, torque-free
seal at all tubing connections.