2
Installation
Connecting the Low-Pressure Solvent Lines
20
Accela Pump Hardware Manual
Thermo Scientific
Y
To install a Super Flangeless fitting
1. Slide the nut onto the end of the tubing.
2. With its flattened side facing toward the nut, slide the compression ring onto the end of
the tubing (see
Figure 13
).
Figure 13.
Schematic of the Super flangeless fitting components
3. With its narrow end facing the compression ring, slide the ferrule onto the end of the
tubing.
4. Swage the fitting onto the tubing (see
Figure 14
):
a. Create a compression tool by screwing a Super Flangeless nut into one end of a
1/4 inch
×
28 thread internal union.
b. Insert the tubing with the fitting assembly into the other end of the union.
c.
Hold the tubing to the bottom of the tool while tightening down the nut.
Figure 14.
Using a compression tool to swage the fitting onto the tubing
Angled side of the
compression ring
faces the ferrule
Nut
Ferrule
Compression tool (internal union and
Super Flangeless nut assembly)