Waters ACQUITY UPLC H-Class Series, System Manual, Page: 35 / 92

2.5.1.6 Long 1/4-28 fitting with flangeless ferrule and stainless steel lock ring installed on
1/8-inch OD tubing
First use or re-installed
Compression screw
Lock ring
Ferrule
End of lock ring with larger inside diameter (ID)
Tighten the fitting finger-tight.
2.5.1.7 Short 1/4-28 fitting with flangeless ferrule and stainless steel lock ring installed
on 1/16-inch OD tubing
First use or re-installed
Compression screw
Lock ring
Ferrule
End of lock ring with larger inside diameter (ID)
April 4, 2018, 715005702 Rev. A
Page 35