Column Connectors

Products

Defined PressFit Connectors

  • Defined fit: ID-specific ends for better sealability.
  • Color-coded for easy identification.
  • Deactivated borosilicate glass.
  • Connect a guard column to an analytical column.
  • Repair a broken column.
  • Connect a column outlet to a transfer line.

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SilTite µ-Union Connectors

  • Reliably create permanent connections between fused silica analytical columns, guard columns, and retention gaps.
  • SilTite FingerTite technology provides easy installation and a permanent leak-tight connection.
  • Deactivated metal and zero-dead-volume design ensure optimal peak shapes.
  • Robust connection is stable through extreme temperature and pressure cycling, making it ideal for use with mass spectrometers.
  • Kits contain two SilTite µ-Union connectors, five double-taper ferrules, and installation tools.

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Universal Press-Tight Connectors

  • Universal fit: use with 0.10.53 mm ID Restek columns (0.330.74 mm OD).
  • Optional deactivated fused quartz helps eliminate activity for complete inertness along the GC flow path.
  • Optional Siltek deactivation is ideal for organochlorine pesticides analysis.
  • Connect a guard column to an analytical column.
  • Repair a broken column.
  • Connect a column outlet to a transfer line.

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Universal “Y” Press-Tight Connectors

  • Universal fit: use with 0.10.53 mm ID Restek columns (0.330.74 mm OD).
  • Optional deactivated fused quartz helps eliminate activity for complete inertness along the GC flow path.
  • Optional Siltek deactivation is ideal for organochlorine pesticides analysis.
  • Split sample flowperform dual-column confirmation analysis with a single injection.
  • Split column flow to two detectors.

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Universal Angled “Y” Press-Tight Connectors

  • Universal fit: use with 0.10.53 mm ID Restek columns (0.330.74 mm OD).
  • Optional deactivated fused quartz helps eliminate activity for complete inertness along the GC flow path.
  • Optional Siltek deactivation is ideal for organochlorine pesticides analysis.
  • Split sample flowperform dual-column confirmation analysis with a single injection.
  • Split column flow to two detectors.
  • Inlet and outlet ends match column curvature to alleviate connection strain.

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MXT “Y”-Union Connector Kits

for Connecting Metal and/or Fused Silica GC Columns

  • Low-dead-volume, leak-tight connection.
  • Reusable.
  • Siltek treatment ensures maximum inertness.
  • Ideal for connecting a guard column or transfer line to an analytical column.
  • Use to oven temperatures of 350 °C.
  • Available in union and “Y” configurations.
  • Can also be used for connecting fused silica to metal.

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Zero Dead Volume Valco Internal Union

Ends of tubing seat squarely at bottoms of fitting details. Made of 300-series stainless steel. For use with 1/16" OD tubing. Stainless steel ferrules included.

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Vu2 Union Connectors

  • Connect a guard column to an analytical column.
  • Connect a column to a transfer line.
  • Connect two columns in series.
  • Repair a broken column.
  • Fit both Restek cage designs.

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SeCure “Y” Connector Kits

  • Connect two analytical columns to a transfer line or guard column.
  • Use standard “Y” Press-Tight connectors and 1/16" graphite ferrules.
  • Reliable seal integritywill not unexpectedly disconnect during temperature-programmed analyses.
  • Open design allows visual confirmation of the seal for added confidence in the connection.
  • Fit both Restek cage designs.

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MXT Low Dead Volume Connector Kits

for Metal Columns

  • Connect a guard column/transfer line to an MXT stainless steel column.
  • Low thermal mass tracks rapid oven temperature programming.
  • Stainless steel ferrules and nuts.
  • Available in “Y” and union configurations.
  • Siltek treatment ensures ultimate inertness.

    Each kit contains the MXT union, two 1/32-inch ferrules and nuts.

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Replacement Ferrules

for SilTite μ-Union Connectors

MXT-Union Connector Kits

for Connecting Metal and/or Fused Silica GC Columns

  • Low dead volume, leak-tight connection.
  • Reusable.
  • Siltek treatment ensures maximum inertness.
  • Ideal for connecting a guard column or transfer line to an analytical column.
  • Use to oven temperatures of 350 °C.
  • Available in union and “Y” configurations.
  • Can also be used for connecting fused silica to metal.

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Zero-Dead-Volume Valco Internal Cross

Connect four lines. 300 series stainless steel; stainless steel ferrules included. For 1/16" OD tubing.

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Zero-Dead-Volume Valco Internal Tee

Connect three lines. 300 series stainless steel; stainless steel ferrules included. For 1/16" OD tubing.

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Zero-Dead-Volume Valco Internal Reducing Union

Connect two sizes of tubing, using zero-dead-volume fittings on each end. For 1/8" to 1/16" OD tubing. Stainless steel ferrules included.

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MXT Low Dead Volume “Y” Connector Kits

for Metal Columns

Connect two MXT columns to one inlet or one MXT column to two detectors.

Each kit contains the MXT union, three 1/32-inch ferrules and nuts.

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Polyimide Resin

Securely connects a Press-Tight connector to a fused silica column.

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GRAPHPACK 2M Ferrules

for Gerstel CIS 3 and CIS 4 PTV Inlets

Nuts & Ferrules (1/16-Inch Stainless Steel)

for Valco Connectors

Restek offers a selected line of Valco fittings for connecting fused silica or 1/16- or 1/8-inch metal tubing. Valco fittings have been designed for the specific demands of instrumentation and manufactured with the tight tolerances and premium quality that analysts require. If you don’t see the Valco fitting you need, please request special ordering information.

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1/16-Inch Valco Adaptor Ferrules

Fused silica adaptor ferrules are made from Valcon polyimide, a unique, graphite-reinforced composite specially prepared to maximize mechanical stability at temperatures up to 350 °C. The determining factor for selecting adaptor ferrule size is the fused silica tubing OD.

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1/32-Inch Valco Adaptor Ferrules (Valcon Polyimide)

Fused silica adaptor ferrules are made from Valcon polyimide, a unique, graphite-reinforced composite specially prepared to maximize mechanical stability at temperatures up to 350 °C. The determining factor for selecting adaptor ferrule size is the fused silica tubing OD.

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1/4-Inch3/16-Inch Open-End Wrenches

High-quality miniature wrenches to use with MXT low-dead-volume connectors.

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Gerstel GRAPHPACK 3D/2 Connectors

GRAPHPACK technology provides a complete system that quickly and reliably makes a leak-tight, low-dead-volume connection. The central component is a metal-jacketed graphite ferrulethe ideal seal for GC applications.

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