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Chapter 1
Valve Oven Components Valve Oven Overview
Operating Manual 17
Heated Section
The heated enclosure is a temperature controlled (40 to 175 °C) isothermally
heated zone, able to contain the following:
• up to four (4) valves with associated sample loops
• up to fifty feet of 1/8” OD stainless steel column with associated clamp and
fixed unions
• up to eight (8) heated needle valves (restrictors) accessible from the front
• provisions for sample transfer directly into the heated zone from the front or
rear of the unit
Unheated Section
Unheated enclosures can contain the following:
• two unheated pneumatic Valco liquid or gas sample injection valves
• up to four pressure regulators installed on the front of the unit, and one
mounted internally
• up to six in and out connections for sample loading/vent/flow measurement
Valves
Your TRACE GC Ultra Valve Oven has the following available valves:
• standard pneumatic Valco rotary valves
• standard pneumatic Valco rotary valves with purged housing
Column
Although the type of column you use will vary depending on your application, the
TRACE GC Ultra Valve Oven typically uses packed columns. The column
mounting area can accommodate 1/8” OD columns.