Agilent 6850 Direct Valve-Column Connector Kit Installation Guide

About this manual

The document details the installation of Part Number G2630-61710, a kit designed for Agilent 6850 Gas Chromatographs equipped with a purged packed inlet. The kit allows users to bypass the standard inlet and connect their sampling valve directly to a column using specific direct tube assemblies and Zero Dead Volume (ZDV) unions.

What's inside

• Kit Contents
• Tools Required
• Safety Warnings
• Disconnecting Inject Line
• Installing Direct Tube Assembly
• Connecting Column
• Leak Test Procedure
• Direct Valve Operation Modes

Frequently asked questions

What is the minimum carrier gas pressure required for the leak test?

The procedure requires that the pressure at the carrier gas supply be at least 35 psi.

What constitutes a successful leak-free system during the test?

The system is considered leak free if the pressure drop is less than 0.7 psi.

How many turns past finger tight should the column nut be tightened?

For capillary columns, tighten the nut 10 to 15° past finger tight.