NanoVolume Fittings - High Pressure

see also VICI-Valco Catalog  p 32-33 for other 1/32" Fittings : Stainless steel, CTFE (KEL-F), fused silica connectors CT Jour HOME

Chromatography is driven by the needs of the modern analytical routine industry lab . . . or at least by the ever-demanding needs for better results by chemists.

The development and use of more efficient columns particularly capillary chromatography moves in parralel with instrumentation design, more sensitive detectors, The need to analyse smaller and smaller samples pushes other hardware parameters such as injection methods.
VICI-Valco and VICI-Jour address the issue of interfacing the current fused silica columns and minimising dead column with it's range of NanoVolume HIgh Pressure Fittings for HPLC
The scale-down in fitting sizes help minimise dead-volume and simplifies the connection so that fingertight sealing
VICI-Jour uses 1/32" tube fittings based on a 6-40UNF thread which is about half the size of standard 1/16" Swagelok type fittings - previous "state-of-the-art"

NanoVolume Connectors

  • Developed specifically for fused silica transfer lines and / or columns
  • Fingertight and as simple to use as standard fittings - ONLY they are much smaller !
Part No.
Description
 
C-NERU1FPK
Union, PEEK, 150 um bore, Int 1/32" - Ext 1/16"

C-NERU0.5XFPK
Union, PEEK, 100 µm bore, Int. 1/32" - Ext. 1/32" ZDVF

C-NERU.5FPK
Union, PEEK, 150 µm bore, Int. 1/32" - Ext. 1/32" ZDVF
C-NERU.5XFPK.35
Union, PEEK, 100 µm bore, Int. 1/32" - Ext. 1/32" ZDVF, complete with Liners for tubing OD 325 - 375 µm
C-NERU.5FPK.35
Union, PEEK, 150 µm bore, Int. 1/32" - Ext. 1/32" ZDVF, complete with Liners for tubing OD 325 - 375 µm
C-NTXFPK
Tee, PEEK, HP 100 µm bore, complete, 1/32"

C-NTFPK
Tee, PEEK, HP 150 µm bore, complete, 1/32"
C-NXXFPK
Cross, PEEK, 100 µm bore ID, complete, 1/32"

C-NXFPK
Cross, PEEK, HP 150 µm bore, complete, 1/32"
C-NYXFPK
Y, PEEK, HP 100 µm bore, complete, 1/32"

C-NYFPK
Y, PEEK, HP 150 µm bore, complete, 1/32"

Nanovolume nuts & ferrules

Part No.

Description

 

C-NNFLFPK

 Fitting, PEEK, one-piece long, grooved ferrule, 1/32"

C-NNFFPK

Fitting, PEEK, one-piece short, grooved ferrule, 1/32"

C-EN.5FPKB

 Nut, PEEK, External, 1/32"

ZGF.5PK

 Ferrule, PEEK, grooved, 1/32"

EN1FPKB

 Nut, PEEK, External, 1/16"

ZGF1PK

 Ferrule, PEEK, grooved, 1/16"

Liners for fused silica tubing connections * Liners for tubing OD 325 - 375 µm
Part No.
Description
 
C-NL.35S
 Liner, PEEK, .031" OD x .015" ID x .400" lentgh (for use with Nut P/N C-EN.5FPKB)

C-NL.35L
Liner, PEEK, .031" OD x .015" ID x .825" length (for use with Nut P/N C-NNFFPK)
C-NL.35XL
Liner, PEEK, .031" OD x .015" ID x 1.075" length (for use with Nut P/N C-NNFFLFPK)
C-NLS2.35
 Liner, PEEK, with 2 µm Screen, 0.031" OD x 0.015" ID x 1" length

Specifications

 

Material
Thread Size
Tolerances

PEEK
6-40 UNF
+/- 0.05 mm
( 0.002" )

TECHNICAL Hint
the 0.031" ( 0.75mm ) OD PEEK liner "crimps" down onto the fused silica column / transfer liner with just fingertight pressure - the "concertina" ferrule minimises risk of overtightening
CARE : ensure the fused silica is "square-cut" and no "dags" of polyimide flakes are hanging off the en
d

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