19
Fittings
MicroTight
®
TubingSleeves
Manufactured from PEEK
™
polymer
Pressure rated to 4,000 psi (276 bar)
Color-coded for easy inner diameter identifcation
Upchurch Scientific
®
MicroTight Tubing Sleeves feature an outer
diameter of 0.025” and offer a wide assortment of inner diameters
to help facilitate capillary tubing connections with our MicroTight
accessories. Because the sleeves aremanufactured fromPEEKpolymer,
they carry an upper temperature threshold of 125 ºC.
To use these sleeves properly, choose a sleeve with an inner diameter
0.001”–0.002” (25–50 µm) larger than the outer diameter of your
capillary tubing. Then, slip the sleeve over your fow path tubing, such
that your tubing extends all theway through the sleeve, but not beyond
the end of the sleeve. Choose the correct ftting that corresponds
with your receiving port, slide it over the sleeved fow path tubing
and connect as normal.
NanoTight
™
TubingSleeves
Manufactured from FEP fuoropolymer
Pressure rated to 4,000 psi (276 bar)
Outer diameter of 1/16” — the most popular size used on
most instrumentation
Upchurch Scientifc NanoTight Tubing Sleeves aremanufactured using
FEP fuoropolymer andprecisely cut to a 1.6” length. Awide assortment
of sleeves is available, ensuring the availability of a NanoTight sleeve
for most applications. Many of the sleeves feature a light color tint
that can help more easily identify the inner diameter for future orders.
Because FEP is the base polymer for these sleeves, there is amaximum
recommended continuous operating temperature of 50 ºC.
Upchurch Scientifc NanoTight sleeves were designed primarily for
use with the NanoTight fttings, found on page 17 and also work well
with the Super Flangeless
™
fttings for 1/16” OD tubing on pages 21
and 22. For tubing sleeves that can be used effectively with stainless
steel fttings and at higher temperatures, consider using the Upchurch
Scientifc PEEK Tubing Sleeves, found on the next page.
Tubing Sleeves
Part No.
ID
For Tubing OD Size Color Qty.
MicroTight PEEK Tubing Sleeves and kits, 0.025” OD
F-180x 125 µm (0.005”)
70 – 110 µm
Red
10-pk
F-181x 180 µm (0.007”)
125 – 165 µm
Yellow
10-pk
F-182x 230 µm (0.009”)
175 – 215 µm
Natural
10-pk
F-183x 280 µm (0.011”)
225 – 265 µm
Blue
10-pk
F-184x 330 µm (0.013”)
275 – 315 µm
Orange
10-pk
F-185x 395 µm (0.0155”)
340 – 380 µm
Green
10-pk
F-186x 455 µm (0.018”)
400 – 440 µm
Black
10-pk
F-187x 535 µm (0.021”)
480 – 520 µm
Natural
10-pk
F-188x 152 µm (0.006”)
95 – 135 µm
Purple
10-pk
1328 MicroTight Tubing Sleeve Kit
contains (6) each of the sleeve sizes listed above
1356 MicroTight Connector Kit
Kit contains: a 10-pack of each MicroTight Tubing Sleeve (F-180 – F-187);
(2) P-770 MicroTight Adapters; and (2) MicroTight P-720 Unions
nanoTight FEP Tubing Sleeves, 1/16” OD
F-237x 125 µm (0.005”)
70 – 110 µm
Red
10-pk
F-238x 180 µm (0.007”)
125 – 165 µm
Yellow
10-pk
F-239x 215 µm (0.0085”)
160 – 200 µm
Natural
10-pk
F-240x 280 µm (0.011”)
225 – 265 µm
Blue
10-pk
F-241x 330 µm (0.013”)
275 – 315 µm
Orange
10-pk
F-242x 395 µm (0.0155”)
340 – 380 µm
Green
10-pk
F-243x 455 µm (0.018”)
400 – 440 µm
Black
10-pk
F-244x 535 µm (0.021”)
480 – 520 µm
Natural
10-pk
F-245x 610 µm (0.024”)
555 – 595 µm
Red
10-pk
F-246x 685 µm (0.027”)
630 – 670 µm
Yellow
10-pk
F-247x 840 µm (0.033”)
785 – 825 µm
Green
10-pk
F-252x 1.07 mm (0.042”)
1 mm
Purple
10-pk
Why use Sleeves?
Because most capillary tubing connections are made into coned receiving
ports, where the port is not designed to be used with capillary tubing
directly, special care must be used to ensure a good connection. While
custom ferrules can help make these connections, they only offer a
fxed-length nose — and because most tubing pockets will vary slightly
in length, this can lead to leaking or dead volume.
To help save overall expense while maintaining a concentric connection
with minimal dead volume, IDEX Health & Science recommends the use of
sleeves. Because sleeves are not permanently attached to a ferrule, they
can easily adapt to varying tubing pocket depths. Additionally, because
they are manufactured using Upchurch Scientifc extruded polymer tubing,
you are assured of the concentricity of the resultant connection.
Application Note
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