valco fittings
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Fused Silica Fittings
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The patented design of our fused
silica fittings ensures stable, leak-
free connections at temperatures up
to 400°C, and undistorted ferrules
that are easily removed and reused.
Columns may be changed without the
risk of the leaks which can devastate
systems such as mass spectrometers
or atomic emission detectors. This is
accomplished with a spring-loaded
Replacement ferrules for fused silica unions and self-compensating
nuts (Agilent injector nuts)
These reusable ferrules seal at the tip, and are different from standard ferrules.
Order for use with FSKZU1 fused silica unions and FSZNA-HP nuts on these two
pages.
Package of 10:
Prod No
Price
Column ID:
.20 –.25 mm FS1.35-R10
.32 mm FS1.45-R10
.53 mm FS1.75-R10
Fused silica union
with self-compensating nut
Fused silica unions
The fused silica union* has a quartz liner, providing an inert connection zone of
minimal volume. Since the seal occurs only at the ferrule tip, the total sealing
force is minimized, leaving the ferrule undistorted and reusable.
Note:
The ferrules used in this union are unique, due to the seal at the tip.
Standard ferrules will not work in this union.
Description
Prod No
Price
Fused silica union
FSKZU1
Replacement liner
FSQ1
Replacement nut
FSZN1
self-compensating nut which provides
a constant sealing force as the
temperature varies.
Self-compensating nuts are currently
employed in two basic designs:
a fused silica-lined union and an
injector/detector nut for Agilent 6890
and 5890 GCs.
100 µm = .004"
150 µm = .006"
0.25 mm = .010"
0.50 mm = .020"
0.75 mm = .030"
1.0 mm = .040"
1.5 mm = .060"
2.0 mm = .080"
4.6 mm = .180"
6.0 mm = .236"
6.4 mm = .253"
7.0 mm = .275"
10.0 mm = .400"
27.0 mm = 1.08"
1/32" = 0.8 mm
1/16" = 1.6 mm
1/8" = 3.2 mm
1/4" = 6.4 mm
3/8" = 9.5 mm
1/2" = 12.7 mm
*U.S. patent numbers 5,234,235 and 4,991,883.
CHROMalytic TECHnology Pty Ltd AUSTRALIAN Distributors e-mail:
Tel: 03 9762 2034
