291
GC ACCESSORIES |
COLUMN INSTALLATION
Connectors
VacuumVu-Union® Connector for GC/MS Applications
• Connects analytical column to MS transfer line.
• Use under vacuum conditions.
• Use only with Vu-Union® Vespel®/graphite ferrules
(order ferrules separately).
• Includes metal housing body, one deactivated tapered glass
insert, and Vu-Union® Helping Hand.
• Fits column ODs from 0.33–0.74 mm
(Restek 0.1 mm–0.53 mm ID).
A specifically designed Vu-Union® glass insert permits more
torque to be applied to the ferrules without fear of cracking the
insert. The hex end nuts enable you to use wrenches to tighten
the end fittings.
Description
qty.
cat.#
price
Vacuum Vu-Union Connector (with the Helping Hand)
ea.
20427
Replacement Inserts
3-pk.
20428
Vu-Union® Vespel®/Graphite Ferrules
• Use with Vacuum Vu-Union® connectors.
• 60% Vespel®/40% graphite.
• 400 °C maximum operating temperature.
Vu-Union® Helping Hand
The Helping Hand is designed to hold in place
the metal housing of the Vacuum Vu-Union®
connector. This allows you to easily assemble
the columns in the glass insert and tighten the
nuts. The Helping Hand is included with the
Vacuum Vu-Union® connector.
*Use only with GRAPHPACK 3D/2 ferrules.
Ferrule ID
Fits Column
qty.
cat.#
price
0.3mm
< 0.22mm ID/< 0.4mm OD
10-pk.
20423
0.4mm
0.25mm ID/0.4mm OD
10-pk.
20420
0.5mm
0.32mm ID/0.5mm OD
10-pk.
20421
0.8mm
0.45/0.53mm ID/0.8mm OD
10-pk.
20422
Ferrule Removal Kit
The tapered tools in this kit have teeth designed to grip and
remove fused silica adaptor ferrules that have become stuck in
the fitting detail. Each kit has two tools: one for removing
1
/
32
-inch adaptor ferrules and one for removing
1
/
16
-inch adaptor
ferrules.
Description
Valco # qty.
cat.#
price
Ferrule Removal Kit
FRK1
kit
20146
1
/
4
-Inch–
3
/
16
-Inch Open-EndWrenches
High-quality miniature wrenches to use with MXT® low-dead-
volume connectors.
Description
qty.
cat.#
price
1
/
4
"–
3
/
16
" Open-End Wrenches
2-piece set
20388
20272
20270
20427
20146
20388
20422
Coupling GC Columns
An MXT® connector is a good alternative to a glass connector when
coupling GC columns. This connector is constructed from stainless steel
and will not break; it uses ferrules for sealing. The design ensures low
dead volume, and Siltek® treatment ensures the MXT® connector is
inert—both features help minimize peak tailing. MXT® connectors
can be used to connect metal-to-metal, metal-to-fused silica, or fused
silica-to-fused silica tubing. When connecting metal tubing, use
1
/
32
-inch
stainless steel ferrules (listed above); for fused silica tubing, use Valcon
polyimide adaptor ferrules (see page 292).
tech
tip
Gerstel GRAPHPACK® 3D/2 Connectors
Gerstel GRAPHPACK® 3D/2 Connectors & Ferrules
GRAPHPACK® technology provides a complete system that
quickly and reliably makes a leak-tight, low-dead-volume con-
nection. The central component is a metal-jacketed graphite
ferrule—the ideal seal for GC applications.
Description
Fits Column ID
qty.
cat.#
price
GRAPHPACK 3D/2 Connector* 0.25mm to 0.32mm ID ea.
20272
GRAPHPACK 3D/2 Connector* 0.45mm to 0.7mm ID ea.
20273
GRAPHPACK® 3D/2 Ferrules
Ferrule ID
Fits Column ID
qty.
cat.#
price
0.4mm
0.25mm
10-pk.
20271
0.5mm
0.32mm
10-pk.
20270
0.8mm
0.45/0.53mm 10-pk.
20274
GRAPHPACK® 2m Ferrules
Fits Column ID
Similar to Gerstel part # qty.
cat.#
price
0.25mm
001805-040-00
10-pk.
22223
0.32mm
001805-045-00
10-pk.
22224
0.53mm
001805-007-00
10-pk.
22225
Website :
E-mail :
TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
