
2 Preparing for Operation
30
September 26, 2013, 715004208 Rev. A
When tightening system fittings, consult the following table.
Installation recommendations for ACQUITY ISM fittings:
Fitting
Recommended tightening
First use or reinstalled
Long 1/4-28 fitting with flangeless
ferrule and stainless-steel lock ring,
installed on 1/8-inch outside diameter
(OD) tubing.
Finger-tight
Fi
rs
t
use o
r re
inst
al
le
d
Long 1/4-28 fitting with flangeless
ferrule and stainless-steel lock ring,
installed on .062-inch OD tubing.
Finger-tight
TP03377
Lock ring
Ferrule
End of lock ring with smaller
inside diameter (ID)
End of lock ring with smaller
inside diameter (ID)
Lock ring
Ferrule