general reference
VICIAG International
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|
95
Tolerances–PEEK tubing
Due to tighter tolerances,VICI JourPEEK
tubing is thebest choice for chromatography
applications inwhichexactflow ratesor
tubevolumeareof importance. The tighter
toleranceensuresamoreconsistent internal
volumeof transfer lines.
Tolerances–polymeric tubing
polymerictubing
TubingOD OD
(
±
)
(mm)
ID
(
±
)
(mm)
360µm 0.025 0.013
1/32"
0.025 0.025
1/16"
0.050 0.025
1/8"
0.10 0.10
3/16'
0.10 0.10
1/4"
0.10 0.10
2-56
6-40
10-32
5/16-24
1/4-28
1/2-20
for
360µmOD
tubing
for
1/32"OD
tubing
for
1/16"OD
tubing
for
1/8"OD
tubing
for
1/16" and1/8"OD
tubing
for
1/4"OD
tubing
Fritvolume
Stainless,titanium,andpolymer frits
Internal frit volumesare theoretical andare
calculatedbymultiplying the total frit volume
by theproportionof thepores in the frit
(porosityproportion). Stated fritporositiesare
onlynominal anddonot relect themaximum
pore sizeof a frit.Thechartbelowwill helpyou
in selecting the right frit for your application.
Tubing tolerances Frit volume Threads
Porosity
inµm
Maxpore
size inµm
Particles
retained inµm
Porosity
in%
0.2
1
≥
1.0
22
0.5
2
≥
1.5
26
1
3
≥
3.0
30
2
5
≥
3.5 - 5.0
35
5
15
≥
15.0
38
10
30
≥
30
40
Standard threads
Followingare illustrationsof standard threads forVICI Jour
fittings. Placeyourfittingon thedrawingsbelow to identify the
thread size.
PEEKtubing
TubingOD OD
(
±
)
(mm)
ID
(
±
)
(mm)
360µm 0.025 0.013
1/32"
0.025
0.013
1/16" *
0.025
0.013
1/16" ** 0.025
0.025
1/8"
0.050
0.050
* For IDup to0.25mm
** For IDover 0.25mm
