Waters ACQUITY UPLC M-Class System Manual page 42

2.6.1.12 Stainless steel (gold-plated) fitting with long flats and two-piece stainless steel
ferrule (V-detail)
First use
Long flats
Compression screw
Two-piece stainless steel ferrule
Tighten the fitting finger-tight plus an additional 3/4-turn using a 1/4-inch open-end wrench.
Tip:
To prevent band spreading, ensure that the tubing is fully bottomed in the connection port
before you tighten the compression screw.
First use tightening
Reinstalled
Long flats
Compression screw
Two-piece stainless steel ferrule
November 26, 2019, 715003588 Revision C
Page 42