Waters Xevo G2-XS QTof Overview And Maintenance Manual page 237

a. Slide the PEEK nut, Super Flangeless ferrule, and stainless steel
ring over the pump end of the steel tubing.
PEEK nut
b. Insert the tubing in the pump, and tighten the fittings.
c. At the sample selector valve, screw the natural-color PEEK
female-to-male adaptor into port 7.
Flangeless nut
d. Slide the transparent, 1/16-inch flangeless nut and blue, 1/16-inch
flangeless ferrule over the tubing.
These components provide fail-safe pressure relief in the
Rationale:
event of a blockage.
e. Insert the tubing in the female-to-male adaptor in port 7, and
tighten the fittings.
Replacing IntelliStart Fluidics tubing (Standard configuration)
Super Flangeless ferrule
Stainless steel ring
Flangeless ferrule
April 2, 2015, 715004496 Rev. B
Stainless steel tubing
PEEK female-to-male
adaptor
237