The Gas Plumbing - Agilent Technologies 6890 Series Service Manual

The gas plumbing

WARNING All compressed gas cylinders should be securely fastened to an immovable
structure or permanent wall. Compressed gases should be stored and handled
in accordance with the relevant safety codes.
Gas cylinders should not be located in the path of heated oven exhaust.
To avoid possible eye injury, wear eye protection when using compressed gas.
Follow the general plumbing diagram when preparing gas supply plumbing.
Two-stage regulation
Main supply
on/off valve
Main gas
supply
Figure 520-1
• Two-stage regulators are strongly recommended to eliminate pressure
surges. High-quality, stainless-steel diaphragm-type regulators are
especially recommended.
Jun 2001
On/off valve
General plumbing diagram
Site Preparation
Agilent 6890 Gas Chromatograph Service Manual
The gas plumbing
Moisture
trap
Hydrocarbon
trap
Gases 520
Oxygen
trap
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