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Inlet Seals, Dual Vespel Ring, 1.2mm Siltek Treated, 2pcs

In Agilent split/splitless injection ports, it can be difficult to make and maintain a good seal with a conventional metal inlet disk. The metal-to-metal seal dictates that you apply considerable torque to the reducing nut, and, based on our testing, this does not ensure a leak-tight seal.

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80 € without VAT 96.8 € VAT
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Product description

Product description

In Agilent split/splitless injection ports, it can be difficult to make and maintain a good seal with a conventional metal inlet disk. The metal-to-metal seal dictates that you apply considerable torque to the reducing nut, and, based on our testing, this does not ensure a leak-tight seal. Over the course of oven temperature cycling, metal seals are prone to leaks, which ultimately can degrade the capillary column and cause other analytical difficulties.

Patented Dual Vespel® Ring Inlet Seal (Restek) greatly improves injection port performance—it stays sealed, even after repeated temperature cycles, without retightening the reducing nut| This seal features two soft Vespel® rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer, and ensure very little torque is needed to make a leak-tight seal. The rings will not harm the critical seal in the injector body, or any other surface, and are outside the sample flow path. Tests using a high sensitivity helium leak detector show Dual Vespel® Ring Inlet Seals will seal equally effectively at torques from 5 in. lb. to 60 in. lb.

Why trust a metal-to-metal seal when you can make leak-tight seals quickly and easily—and more reliably—without a washer, with a Restek Dual Vespel® Ring Inlet Seal. Use a stainless steel seal for analyses of unreactive compounds. To reduce breakdown and adsorption of active compounds, use a gold-plated or Siltek®-treated seal. The gold surface offers better inertness than untreated stainless steel. Siltek® treatment provides inertness similar to that of a fused silica capillary column.

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Brand: Dual Vespel
Category: Laboratory instruments and accessories / Chromatography / Other chromatography accessories

Washerless, Leak-Tight Seal for Agilent GCs ensures better tightness and easier handling than original part.

  • Prevents oxygen from permeating the carrier gas, increasing column lifetime.
  • Vespel® ring in top surface reduces operator variability by requiring minimal torque to seal.
  • Vespel® ring in bottom surface simplifies installation—eliminates the washer
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